Question 1
Question
Select the correct term in the drop box for each statement.
1. [blank_start]______[blank_end] Connects the brain to the spinal cord; regulates heart rate and blood pressure and generates respiratory rhythms
2. [blank_start]______[blank_end] Regulates body temperature and contains your biological clock
3. [blank_start]______[blank_end] Receives and processes visual and other sensory input, responsible for conscious thought and personality, controls voluntary movements of skeletal muscle
4. [blank_start]______[blank_end] Monitors body position and modifies motor impulses from your conscious brain
Answer
-
1. Brain stem
-
1. Cerebellum
-
1. Cerebrum
-
1. Diencephalon
-
2. Brain stem
-
2. Cerebellum
-
2. Cerebrum
-
2. Diencephalon
-
3. Brain stem
-
3. Cerebellum
-
3. Cerebrum
-
3. Diencephalon
-
4. Brain stem
-
4. Cerebellum
-
4. Cerebrum
-
4. Diencephalon
Question 2
Question
Select the following term(s) that can be measured using a spirometer.
Answer
-
Residual volume
-
Tidal volume
-
Respiratory rate
-
Total lung capacity
-
Vital capacity
Question 3
Question
The two hormones that regulate blood calcium levels are calcitonin and thyroxine (T3/T4).
Question 4
Question
Select the correct term in the drop-down box for each sentence.
1. [blank_start]______[blank_end] Released from the pituitary; binds to receptors on cells in the kidneys
2. [blank_start]______[blank_end] Released from the adrenal medulla in response to activity of the sympathetic division of the autonomic nervous system as a response to short-term stress
3. [blank_start]______[blank_end] Stimulates cells in the liver to pull glucose molecules out of the blood and build them into a storage molecule called glycogen
4. [blank_start]______[blank_end] Nearly every cell in the body has receptors that bind this hormone; increases metabolic rate of target cells; released from the pituitary
5. [blank_start]______[blank_end] Released from the hypothalamus; binds to receptors in the anterior pituitary gland where it regulates the secretion of other hormones
6. [blank_start]______[blank_end] Released from the pancreas; stimulates cells throughout the body to increase glucose transport
Answer
-
1. Antidiuretic hormone
-
1. Epinephrine
-
1. Growth hormone
-
1. Insulin
-
1. Releasing/inhibiting hormones
-
2. Antidiuretic hormone
-
2. Epinephrine
-
2. Growth hormone
-
2. Insulin
-
2. Releasing/inhibiting hormones
-
3. Antidiuretic hormone
-
3. Epinephrine
-
3. Growth hormone
-
3. Insulin
-
3. Releasing/inhibiting hormones
-
4. Antidiuretic hormone
-
4. Epinephrine
-
4. Growth hormone
-
4. Insulin
-
4. Releasing/inhibiting hormones
-
5. Antidiuretic hormone
-
5. Epinephrine
-
5. Growth hormone
-
5. Insulin
-
5. Releasing/inhibiting hormones
-
6. Antidiuretic hormone
-
6. Epinephrine
-
6. Growth hormone
-
6. Insulin
-
6. Releasing/inhibiting hormones
Question 5
Question
Label the following highlighted elements of this diagram.
Answer
-
A. Diaphragm
-
A. Larynx
-
A. Alveolus (air sac)
-
A. Bronchus
-
A. Trachea
-
B. Diaphragm
-
B. Larynx
-
B. Alveolus (air sac)
-
B. Bronchus
-
B. Trachea
-
C. Diaphragm
-
C. Larynx
-
C. Alveolus (air sac)
-
C. Bronchus
-
C. Trachea
-
D. Diaphragm
-
D. Larynx
-
D. Alveolus (air sac)
-
D. Bronchus
-
D. Trachea
-
E. Diaphragm
-
E. Larynx
-
E. Alveolus (air sac)
-
E. Bronchus
-
E. Trachea
Question 6
Question
Hormones will have a stronger effect on the body whehn they are more abundant or when there are more receptors for that hormone.
Question 7
Question
Type II diabetes is an autoimmune disorder in which the pancreatic cells that produce insulin are destroyed, which causes a lack of insulin production; it can be corrected with insulin shots.
Question 8
Question
The endocrine system has certain characteristics that set it apart from the nervous system. Which characteristics are typical of the endocrine system, but NOT the nervous system?
Answer
-
Hormones released from a gland can affect the activity of cells in a variety of locations within the body, whereas one action potential travels to one specific location within the body.
-
Signals have an immediate effect on target cells.
-
Signals are sent using a combination of electrical and chemical signals
-
Hormones rely on cell receptors to transfer a message but neurotransmitters do not require receptors.
Question 9
Question
Which of the following events associated with the transmission of an impulse across a synapse occurs last?
Answer
-
Neurotransmitter is released into synaptic shift
-
Action potential arrives at the end of an axon (the axon terminal, or bulb)
-
Neurotransmitter binds to receptors on postsynaptic membrane
-
Neurotransmitter is broken down by enzymes or transported into presynaptic axon
Question 10
Question
The central nervous system is composed of
Question 11
Question
Breathing in carbon monoxide can cause health problems because
Answer
-
It competes with oxygen for binding sites on hemoglobin, which reduces oxygen loading at the lungs and delivery to the tissues
-
It impairs pacemaker cells in the heart and slows the heart rate, which reduces blood flow to the body's tissues
-
It can come out of the solution while circulating in theh blood, whihc forms tiny, painful bubbles in the blood
-
It affects the brain in a way that is similar to excess alcohol consumption--ie, it has an intoxicating effect
Question 12
Question
Caffeine affects the nervous system by
Answer
-
Inhibitnig the release of antidiuretic hormone
-
Blocking the receptors for adenosine
-
Inhibiting activity in the cerebellum
-
Enhancing the effects of cortisol
Question 13
Question
Physicians recommend that people breathe through their noses instead of their mouths. Which of the following occurs as air is drawn into the blood through the nose?
Answer
-
Air is dried
-
Carbon dioxide is removed from the air
-
Air is warmed and filtered
-
Moisture is removed from the air
Question 14
Question
Neurons store neurotransmitters in vesicles located within
Question 15
Question
As you exhale, the diaphragm
Answer
-
Contracts and becomes less dome shaped
-
Relaxes and becomes less dome shaped
-
Contracts and becomes more dome-shaped
-
Relaxes and becomes more dome-shaped
Question 16
Question
Where does the cerebral cortex dedicate the most space to processing sensory input from?
Answer
-
Fingertips
-
Soles of the feet
-
Neck
-
Forearm
Question 17
Question
If you consume caffeine daily for weeks at a time, its effects on your nervous system are reduced because
Answer
-
The blood-brain barrier becomes less permeable to caffeine, which makes it less able to get into your brain
-
The neurons in hyour brain add more receptors that bind caffeine
-
The hypothalamus secretes inhibiting hormones that reduce the effect of caffeine on your brain
-
The neurons in your brain make fewer receptors that bind caffeine
Question 18
Question
Which of the following is NOT an endocrine gland?
Answer
-
Liver
-
Pituitary
-
Thyroid
-
Adrenal cortex
Question 19
Question
Select the following true statements regarding the effect of smoking on the respiratory system:
Answer
-
The production of mucus decreases in response to the presence of smoke.
-
Smoking inhibits the activity of cilia lining the respiratory tract
-
Particles and debris from the smoke accumulate in the mucus of the airway and increase risk for infections by pathogens
Question 20
Question
Steroid hormones differ from non-steroid hormones in that steroid hormones...
Answer
-
Are water soluble
-
Can typically be introduced to the body through ingestion of an oral (pill) form
-
Cause a change to occur in the target cell
-
Bind to a receptor on the outer surface of the cell membrane
Question 21
Question
Humans must constantly breathe in oxygen in order to stay alive, because they use oxygen
Answer
-
To make carbon dioxide, which is thehn used to produce ATP
-
To efficiently make large quantities of ATP
-
As an important source of energy for cells
-
To convert amino acids and fatty acids to glucose, which the cell can use to make energy
Question 22
Question
The left and right cerebral hemispheres are connected by the corpus callosum, which can be severed as a a treatment for severe cases of
Question 23
Question
Which of the following would cause an acceleration of heart rate, an increase in blood pressure, and a slowing of digestive processes?
Answer
-
Motor division of the somatic nervous system
-
Sensory division of the central nervous system
-
Sympathetic division of the autonomic nervous system
-
Parasympathetic division of the automatic nervous system
Question 24
Question
Select the correct term from the drop-down box for each of the following statements.
1. [blank_start]______[blank_end] A bundle of axons located outside of the brain or spinal cord
2. [blank_start]______[blank_end] Increases the speed of transmission of an action potential
3. [blank_start]______[blank_end] A cluster of neuron cell bodies located outside of the brain or spinal cord
4. [blank_start]______[blank_end] A relatively long cytoplasmic extension from the cell body of a neuron that transmits action potentials
5. [blank_start]______[blank_end] A short, branched cytoplasmic extension from the cell body of a neuron that transmits graded potentials toward the cell body
6. [blank_start]______[blank_end] An electrically excitable cell
Answer
-
1. Axon
-
1. Dendrite
-
1. Ganglion
-
1. Myelin sheath
-
1. Nerve
-
1. Neuron
-
2. Axon
-
2. Dendrite
-
2. Ganglion
-
2. Myelin sheath
-
2. Nerve
-
2. Neuron
-
3. Axon
-
3. Dendrite
-
3. Ganglion
-
3. Myelin sheath
-
3. Nerve
-
3. Neuron
-
4. Axon
-
4. Dendrite
-
4. Ganglion
-
4. Myelin sheath
-
4. Nerve
-
4. Neuron
-
5. Axon
-
5. Dendrite
-
5. Ganglion
-
5. Myelin sheath
-
5. Nerve
-
5. Neuron
-
6. Axon
-
6. Dendrite
-
6. Ganglion
-
6. Myelin sheath
-
6. Nerve
-
6. Neuron
Question 25
Question
Match the correct brain area from the drop-down box to its correct description.
1. [blank_start]______[blank_end] Controls personality, thoughts, reasoning
2. [blank_start]______[blank_end] Output to skeletal muscles; tells them to move
3. [blank_start]______[blank_end] Receives input from sensory receptors that monitor external environment
4. [blank_start]______[blank_end] Plans speech and interprets meaning of speech
Answer
-
1. Wernicke's area
-
1. Prefrontal area
-
1. Motor area
-
1. Somatosensory area
-
2. Wernicke's area
-
2. Prefrontal area
-
2. Motor area
-
2. Somatosensory area
-
3. Wernicke's area
-
3. Prefrontal area
-
3. Motor area
-
3. Somatosensory area
-
4. Wernicke's area
-
4. Prefrontal area
-
4. Motor area
-
4. Somatosensory area
Question 26
Question
If you live long enough, hyou will eventually need reading glasses, because of age-related chages to the...
Question 27
Question
Which structure is in direct contact with the air?
Question 28
Question
Which of the following can readily cross the blood-brain barrier?
Answer
-
Oxygen
-
Red blood cells
-
White blood cells
-
Viruses
Question 29
Question
Which of hese endocrine structures is part of the brain?
Answer
-
Pituitary gland
-
Hypothalamus
-
Adrenal medulla
-
Cerebellum
Question 30
Question
This subconscious (involuntary) brain region monitors body position and modifies motor plans to coordinate muscle activity
Answer
-
Diencephalon
-
Brain strem
-
Cerebellum
-
Cerebrum
Question 31
Question
Oligodendrocytes are similar to Schwann cells in that they both
Answer
-
Help neurons regenerate after injury
-
Are a glial cell that forms a myelin sheath around axons
-
Are located in the central nervous system
-
Conduct nerve impulses
Question 32
Question
Which of the following structures contains muscles that adjust the diameter of your pupil to regulate how much light enters your eye?
Answer
-
Cornea
-
Sclera
-
Ciliary body
-
Iris
Question 33
Question
Which structure contains the highest density of cones, whihc provides the highest visual acuity (ie, clearest vision) when you focus an object directly onto this structure?
Answer
-
Macula lutea
-
Optic disc
-
Ciliary body
-
Lens
Question 34
Question
Neurons store neurotransmitters in vesicles located within
Question 35
Question
The peripheral nervous system is composed of
Question 36
Question
Which of the following pairs of hormones antagonize each other, meaning that they have the opposite effect on body cells?
Question 37
Question
Hormones are specific to particular tissues because
Answer
-
They are released next to target tissues, so they cannot interact with other cells
-
Target tissues display the appropriate receptor for a particular hormone
-
They only affect the cell that releases the hormone
Question 38
Question
Action potentials travel along these cytoplasmic extensions of a neuron
Answer
-
Cell bodies
-
Axons
-
Myelin sheaths
-
Dendrites
Question 39
Question
This structure contributes the most to the bending of light rays as they enter the eye, although it does it in a non-adjustable way
Answer
-
Ciliary body
-
Iris
-
Cornea
-
Lens
Question 40
Question
A neuron at rest has a charge difference across its cell membrane, with the interior of the cell negative relative to the exterior. This difference in charge across the plasma membrane is referred to as ____ potential
Answer
-
Graded
-
Depolarization
-
Resting
-
Refractory
-
Action
Question 41
Question
Which of these causes the release of neurotransmitter molecules?
Answer
-
The opening of voltage-regulated calcium channels and the diffusion of calcium ions out of the neuron
-
An action potential reaching the end of the cell body
-
An action potentila reaching the end of an axon
-
An action potential reaching the end of the dendrite
Question 42
Question
The space between an axon of one neuron and the dendrite of another neuron is called a(n)
Answer
-
Synaptic cleft
-
Node of Ranvier
-
Synapse
-
Synaptic terminal
Question 43
Question
Neurons store neurotransmitter molecules in vesicles located within
Answer
-
Myelin
-
The synaptic cleft
-
Dendrites
-
Synaptic terminals
Question 44
Question
Cells that provide direct protection and physical support to neurons are
Question 45
Question
An action potential....
Answer
-
Is larger in response to larger stimuli
-
Is self-propagating
-
Travels faster in response to larger stimuli
-
Can travel in both directions down an axon or dendrite
Question 46
Question
An impulse relayed along a myelinated axon "jumps" from [blank_start]node of Ranvier[blank_end] to [blank_start]node of Ranvier[blank_end].
Answer
-
(1) node of Ranvier
-
(1) Oligodendrocyte
-
(1) Schwann cell
-
(2) node of Ranvier
-
(2) Oligodendrocyte
-
(2) Schwann cell
Question 47
Question
What part of a neuron relays signals from one neuron to another neuron or to an effector?
Answer
-
Axon hillock
-
Synaptic terminal
-
Axon
-
Node of Ranvier
Question 48
Question
Select the following answers which are functions of the myelin sheath.
Answer
-
It slows down the transmission of action potentials.
-
It is involved in the repair of damaged neurons in the peripheral nervous system.
-
It insulates a neuron and saves the neuron energy.
-
It plays an important role in synaptic transmission.
Question 49
Question
A nerve impulse moves toward a neuron's cell body along
Answer
-
Dendrites
-
Axons
-
Oligodendrocytes
-
Nodes of Ranvier
Question 50
Question
When neurotransmitter molecules bind to receptors in the plasma membrane of the receiving neuron, ....
Answer
-
Ion channels in the plasma membrane of the sending neuron open
-
Ion channels in the plasma membrane of the receiving neuron open
-
The receiving neuron becomes more negative inside
-
The receiving neuron becomes more positive inside
Question 51
Question
The small space between the sending neuron and the recceiving neuron is the
Answer
-
Synaptic terminal
-
Calcium channel
-
Vesicle
-
Synaptic cleft
Question 52
Question
When calcium ions enter the synaptic terminal,
Answer
-
They cacuse an action potential in the sending neuron
-
They cause vesicles containing neurotransmiter molecules to fuse to the plasma membrane of the sending neuron
-
Neurotransmitter molecules are quickly remoed from the synaptic cleft
-
The inside of the receiving neuron becomes more negative
Question 53
Question
The peripherary nervous system includes a sensory division and a motor division.
Question 54
Question
The central nervous sytem is encclosed by membranes or meninges called the
Answer
-
Dura mater, alma mater, and pia mater
-
Dura mater, pia mater, and arachnoid
-
Pleura, parietal, and arachnoid
-
Glial, Schwann, and interstitial
Question 55
Question
Which of the following is NOT directly involved in the production of a typical spinal reflex?
Answer
-
Brain
-
Interneuron
-
Motor neuron
-
Sensory neuron
Question 56
Question
In general, the [blank_start]sympathetic nervous system[blank_end] is most active during a crisis (eg, flight-or-flight) while the [blank_start]parasympathetic nervous system[blank_end] is most active during visceral functions.
Answer
-
(1) sympathetic nervous system
-
(1) parasympathetic nervous system
-
(2) parasympathetic nervous system
-
(2) sympathetic nervous system
Question 57
Question
Both sympathetic nerve fibers and parasympathetic nerve fibers use the same neurotransmitter.
Question 58
Question
Sympathetic and parasympathetic nerve fibers may innervate the same organs, but they have generally opposite effects.
Question 59
Question
In general, the neurotransmitter of the sympathetic nervous system is acetylcholine, and the neurotransmitter of the parasympathetic nervous system is norepinephrine.
Question 60
Question
White matter of the spinal cord contains [blank_start]myelinated nerves[blank_end], whereas gray matter contains [blank_start]unmyelinated cell bodies[blank_end].
Question 61
Question
Control of smooth muscle and internal organs is the role of the [blank_start]autonomic[blank_end] divsion of the nervous sytem.
Answer
-
Autonomic
-
Somatic
-
Postsynaptic
Question 62
Question
The [blank_start]parasympathetic division[blank_end] of the nervous system dominates during the relaxed state.
Answer
-
parasympathetic division
-
somatic division
-
autonomic divsion
-
sympathetic division
Question 63
Question
Information coming into the central nervous system arrives via [blank_start]sensory neurons[blank_end], while information going from the central nervous system to the muscles, glands, and organs travels via [blank_start]motor neurons[blank_end].
Answer
-
sensory neurons
-
motor neurons
-
neuroglial cells
-
motor neurons
-
sensory neurons
-
interneurons
-
neuroglial cells
-
interneurons
Question 64
Question
Which of the following activities would be facilitated by the sympathetic nervous system?
Question 65
Question
Label the four main regions of the brain.
Answer
-
(4) Occipital lobe
-
(4) Parietal lobe
-
(4) Frontal lobe
-
(4) Temporal lobe
-
(3) Occipital lobe
-
(3) Parietal lobe
-
(3) Temporal lobe
-
(3) Frontal lobe
-
(2) Occipital lobe
-
(2) Parietal lobe
-
(2) Temporal lobe
-
(2) Frontal lobe
-
(1) Occipital lobe
-
(1) Parietal lobe
-
(1) Temporal lobe
-
(1) Frontal lobe
Question 66
Question
Select the following elements contained in the FRONTAL LOBE of the human brain.
Answer
-
Higher intellectual functions (decision-making, predicting the consequences of actions, controlling aggression, planning for the future)
-
Motor area (voluntary movement)
-
Somatosensory cortex
-
Sensory area (tactile sensation, self-awareness)
-
Visual area (processing visual information)
-
Auditory area (processing auditory information and some visual information)
-
Memory (and some emotion)
Question 67
Question
Select the following elements contained in the PARIETAL LOBE of the human brain.
Answer
-
Higher intellectual functions (decision-making, predicting the consequences of actions, controlling aggression, planning for the future)
-
Motor area (voluntary movement)
-
Somatosensory cortex
-
Sensory area (tactile sensation, self-awareness)
-
Visual area (processing visual information)
-
Auditory area (processing auditory information and some visual information)
-
Memory (and some emotion)
Question 68
Question
Select the following elements contained in the OCCIPITAL LOBE of the human brain.
Answer
-
Higher intellecctual functions (decision-making, predicting the consequences of actions, controlling aggression, planning for the future)
-
Motor area (voluntary movement)
-
Somatosensory cortex
-
Sensory area (tactile sensation, self-awareness)
-
Visual area (processing visual information)
-
Auditory area (processing auditory information and some visual information)
-
Memory (and some emotion)
Question 69
Question
Select the following elements contained in the TEMPORAL LOBE of the human brain.
Answer
-
Higher intellectual functions (decision-making, predicting the consequences of actions, controlling aggression, planning for the future)
-
Motor area (voluntary movement)
-
Somatosensory cortex
-
Sensory area (tactile sensation, self-awareness)
-
Visual area (processing visual information)
-
Auditory area (processing auditory information and some visual information)
-
Memory (and some emotion)
Question 70
Question
Which part of the brain is associated with conscious thought, memory, and personality?
Answer
-
Cerebellum
-
Pons
-
Medulla
-
Cerebral cortex
Question 71
Question
What part of the brain functions as a relay station for information to the limbic system and the cerebral cortex?
Answer
-
Hypothalamus
-
Midbrain
-
Medulla oblongata
-
Thalamus
Question 72
Question
An individual who has sufferd a stroke, which has caused damage in his cerebrum, and is now having problems with his hearing, has probably suffered damge to his [blank_start]temporal[blank_end] lobe.
Answer
-
temporal
-
occipital
-
parietal
-
frontal
Question 73
Question
The left and right sides of the cerebrum are interconnected by the [blank_start]corpus callosum[blank_end].
Answer
-
corpus callosum
-
medulla oblongata
-
pons
-
thalamus
-
cerebral cortex
Question 74
Question
[blank_start]Short-term memory[blank_end] involves quick bursts of action potentials in the limbic system, and [blank_start]long-term memory[blank_end] resides in the cerebral cortex and involves permanent changes in neurons and synapses.
Answer
-
Short-term memory
-
Long-term memory
-
long-term memory
-
short-term memory
Question 75
Question
Short-term memory is associated with the [blank_start]limbic system[blank_end], whereas long-term meory is associated with the [blank_start]cerebral cortex[blank_end].
Answer
-
(1) limbic system
-
(1) cerebral cortex
-
(1) hypothalamus
-
(2) cerebral cortex
-
(2) limbic system
-
(2) hypothalamus
Question 76
Question
The coordination necessary for a musician to play the piano depends on control exerted by the
Answer
-
Thalamus
-
Cerebral cortex
-
Medulla oblongata
-
Cerebellum
Question 77
Question
Which part of the brain is responsible for regulating the heart and respiratory rates and blood pressure?
Answer
-
Cerebral cortex
-
Thalamus
-
Cerebellum
-
Medulla oblongata
Question 78
Question
Which of the following are associated with storage of long-term memory?
Question 79
Question
Some of the functions of the hypothalamus are the regulation of breast milk, carbohydrate metabolism, and temperature control.
Question 80
Question
Conscious thought is associated wiht the cerebellum.
Question 81
Question
Psychoactive drugs are characterized by the fact that they alter [blank_start]levels of neurotransmitters[blank_end].
Answer
-
levels of neurotransmitters
-
the amplitude of action potentials
-
the travel speed of action potentials
Question 82
Question
The [blank_start]cerebellum[blank_end] coordinates antagonistic muscle movements.
Answer
-
cerebellum
-
thalamus
-
pons
-
occipital lobe
-
medulla oblongata
Question 83
Question
Which of the following parts of the brain effectively links the nervous system and the endocrine system?
Answer
-
Cerebellum
-
Hypothalamus
-
Medulla oblongata
-
Cerebral cortex
Question 84
Question
Rods and cones are the photoreceptors of the eye.
Question 85
Question
The choroid is the tough layer that forms the "white" of the eye.
Question 86
Question
The [blank_start]lens[blank_end] changes shape to focus light on the retina.
Answer
-
lens
-
cornea
-
vitreous humor
-
optic nerve
Question 87
Question
What is the opening that allows light into the interior of the eye?
Answer
-
Sclera
-
Pupil
-
Optic nerve
-
Retina
Question 88
Question
Both the lens and the cornea are involved in focusing light.
Question 89
Question
As humans age, their ability to focus on nearby objects deteoriates. This is the result of
Answer
-
Stiffening of the lens and loss of accommodation capability
-
The loss of rods and cones
-
Changing shape of the eyeball
-
Increased viscosity of the aqueous and vitreous humor
Question 90
Question
This is the path of light through the eye:
1. [blank_start]Cornea[blank_end]
2. [blank_start]Aqueous humor[blank_end]
3. [blank_start]Pupil[blank_end]
4. [blank_start]Lens[blank_end]
5. [blank_start]Vitreous humor[blank_end]
6. [blank_start]Retina[blank_end]
Answer
-
1. Cornea
-
1. Aqueous humor
-
1. Pupil
-
1. Lens
-
1. Vitreous humor
-
1. Retina
-
2. Aqueous humor
-
2. Cornea
-
2. Pupil
-
2. Lens
-
2. Vitreous humor
-
2. Retina
-
3. Pupil
-
3. Cornea
-
3. Aqueous humor
-
3. Lens
-
3. Vitreous humor
-
3. Retina
-
4. Lens
-
4. Cornea
-
4. Aqueous humor
-
4. Pupil
-
4. Vitreous humor
-
4. Retina
-
5. Vitreous humor
-
5. Cornea
-
5. Aqueous humor
-
5. Pupil
-
5. Lens
-
5. Retina
-
6. Retina
-
6. Cornea
-
6. Aqueous humor
-
6. Pupil
-
6. Lens
-
6. Vitreous humor
Question 91
Question
The retina regulates the amount of light entering the eye.
Question 92
Question
Lasik treatment functions to improve eyesight by changing the shape of the cornea.
Question 93
Question
The "blind spot" is associated with the...
Answer
-
Vitreous humor
-
Choroid
-
Lens
-
Optic disk
Question 94
Question
The primary function of the [blank_start]middle ear[blank_end] is amplifying sound waves.
Answer
-
Inner ear
-
Middle ear
-
Outer ear
Question 95
Question
The following sequence is the pathway by which soundwaves travel through the ear:
1. [blank_start]__________[blank_end]
2. [blank_start]__________[blank_end]
3. [blank_start]__________[blank_end]
4. [blank_start]__________[blank_end]
Answer
-
1. External auditory canal
-
1. Eardrum
-
1. Oval window
-
1. Cochlea
-
2. External auditory canal
-
2. Eardrum
-
2. Oval window
-
2. Cochlea
-
3. External auditory canal
-
3. Eardrum
-
3. Oval window
-
3. Cochlea
-
4. External auditory canal
-
4. Eardrum
-
4. Oval window
-
4. Cochlea
Question 96
Question
The part of the ear involved with the sense of equilibrium or balance is the
Question 97
Question
1. The auditory nerve is located in the [blank_start]inner ear[blank_end].
2. The [blank_start]inner ear[blank_end] is the site of the vestibular canal and the tympanic canal.
3. Sound waves moving through the [blank_start]outer ear[blank_end] hit the tympanic membrane.
4. The air-filled chamber in the temporal lobe that contains three small bones is located in the [blank_start]middle ear[blank_end].
Answer
-
1. Inner ear
-
1. Middle ear
-
1. Outer ear
-
2. Inner ear
-
2. Middle ear
-
2. Outer ear
-
3. Outer ear
-
3. Middle ear
-
3. Inner ear
-
4. Middle ear
-
4. Inner ear
-
4. Outer ear
Question 98
Question
Label the following parts of the eye.
Answer
-
1. Ciliary body
-
1. Ligament
-
1. Aqueous humor
-
1. Cornea
-
1. Iris
-
1. Lens
-
1. Optic nerve
-
1. Vitreous humor
-
1. Retina
-
2. Ciliary body
-
2. Ligament
-
2. Aqueous humor
-
2. Cornea
-
2. Iris
-
2. Lens
-
2. Optic nerve
-
2. Vitreous humoro
-
2. Retina
-
3. Ciliary body
-
3. Ligament
-
3. Aqueous humor
-
3. Cornea
-
3. Iris
-
3. Lens
-
3. Optic nerve
-
3. Vitreous humor
-
3. Retina
-
4. Ciliary body
-
4. Ligament
-
4. Aqueous humor
-
4. Cornea
-
4. Iris
-
4. Lens
-
4. Optic nerve
-
4. Vitreous humor
-
4. Retina
-
5. Ciliary body
-
5. Ligament
-
5. Aqueous humor
-
5. Iris
-
5. Lens
-
5. Cornea
-
5. Optic nerve
-
5. Vitreous humor
-
5. Retina
-
6. Ciliary body
-
6. Ligament
-
6. Aqueous humor
-
6. Cornea
-
6. Iris
-
6. Lens
-
6. Optic nerve
-
6. Vitreous humor
-
6. Retina
-
7. Ciliary body
-
7. Ligament
-
7. Aqueous humor
-
7. Cornea
-
7. Iris
-
7. Lens
-
7. Optic nerve
-
7. Vitreous humor
-
7. Retina
-
8. Ciliary body
-
8. Ligament
-
8. Aqueous humor
-
8. Cornea
-
8. Iris
-
8. Lens
-
8. Optic nerve
-
8. Retina
-
8. Vitreous humor
-
9. Ciliary body
-
9. Ligament
-
9. Aqueous humor
-
9. Cornea
-
9. Iris
-
9. Lens
-
9. Optic nerve
-
9. Retina
-
9. Vitreous humor
Question 99
Question
Label the parts of the ear.
Question 100
Question
In both Type I and Type II diabetes, glucose levels remain higher than normal.
Question 101
Question
Insulin helps regulate blood sugar at homeostatic levels by activating hormone production in the posterior pituitary gland.
Question 102
Question
Both glucagon and insulin are produced by the pancreas and they regulate blood glucose levels. [blank_start]Glucagon[blank_end] increases blood glucose by stimulating the release of glucose from glycogen, and [blank_start]insulin[blank_end] decreases it by promoting the uptake of glucose by cells.
Answer
-
(1) Glucagon
-
(1) Insulin
-
(2) insulin
-
(2) glucagon
Question 103
Question
Select the following TRUE statements abou the functions of hormones.
Answer
-
Hormones affect energy utilization.
-
Hormones influence protein synthesis.
-
Hormones can affect the activities of the plasma membrane.
-
Hormones may be involved in secretory activity.
Question 104
Question
If the level of calcium in the blood falls below the homeostatic level, ....
Answer
-
Parathormone levels in the body would increase.
-
Parathormone levels in the body would decrease.
-
The secretion of calcitonin would increase.
-
Bones would begin to store more calcium.
Question 105
Question
You just ate about half of your birthday cake. As a result, your glucose [blank_start]increases[blank_end], insulin [blank_start]increases[blank_end], and glucagon [blank_start]decreases[blank_end].
Answer
-
(1) increases
-
(1) decreases
-
(2) increases
-
(2) decreases
-
(3) decreases
-
(3) increases
Question 106
Question
The [blank_start]hypothalamus[blank_end] controls hormone release by both the anterior pituitary and the posterior pituitary.
Answer
-
hypothalamus
-
thalamus
-
thyroid gland
Question 107
Question
Releasing hormones are secreted from the neurosecretory cells in the hypothalamus directly onto the endocrine cells in the anterior pituitary.
Question 108
Question
FSH promotes sperm production and promotes egg development.
Question 109
Question
Select the following statements that are true about LH.
Answer
-
Promotes sperm production
-
Stimulates testes to produce androgens
-
Promotes egg development
-
Induces ovulation
-
Stimulates ovaries to produce estrogen and progesterone
Question 110
Question
FSH is produced in the [blank_start]anterior pituitary[blank_end], and LH is produced in the [blank_start]anterior pituitary[blank_end].
Answer
-
(1) anterior pituitary
-
(1) posterior pituitary
-
(2) anterior pituitary
-
(2) posterior pituitary
Question 111
Question
Calcitonin stimulates osteoclasts to break down bone.
Question 112
Question
The parathyroid gland stimulates parathyroid hormone (PTH) when there is low blood Ca2+.
Question 113
Question
The thymus slowly grows with age.
Question 114
Question
The gonads produce [blank_start]gametes[blank_end].
Answer
-
gametes
-
melatonin
-
thymosins
Question 115
Question
The pineal gland is part of the diencephalon.
Question 116
Question
The pineal gland produces and secretes [blank_start]melatonin[blank_end], which is important in maintaining your circadian rhythm.
Answer
-
melatonin
-
thymosin
-
thyroxine