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Quiz on bio 210 exam, created by jostenhardy on 01/04/2016.

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bio 210 exam

Question 1 of 90

1

Which of the following is a function of a smooth mucle?

Select one of the following:

  • communication

  • production of body heat

  • constriction of organs and vessels

  • respiration

Explanation

Question 2 of 90

1

What type of connective tissue surrounds individual muscle fibers?

Select one of the following:

  • epimysium

  • perimysium

  • muscular fascia

  • endomysium

Explanation

Question 3 of 90

1

what is the plasma membrane of a muscle fiber called?

Select one of the following:

  • sarcoplasm

  • sarcomere

  • sarcolemma

  • endomysium

Explanation

Question 4 of 90

1

myofibrils are formed from _________ that are joined end to end.

Select one of the following:

  • actin myofilaments

  • sarcomeres

  • myosin myofilaments

  • sarcolemmas

Explanation

Question 5 of 90

1

The thick filament is also known as the _______________ myofilament?

Select one of the following:

  • myosin

  • titin

  • actin

  • troponin

Explanation

Question 6 of 90

1

which molecule covers the active site on the G actin?

Select one of the following:

  • tropomyosin

  • troponin

  • titin

  • m line

Explanation

Question 7 of 90

1

which molecule has a binding site for calcium?

Select one of the following:

  • tropomyosin

  • troponin

  • titin

  • m line

Explanation

Question 8 of 90

1

which of the following in NOT a part of the myosin molecule?

Select one of the following:

  • rod

  • M line

  • hinge region

  • head

Explanation

Question 9 of 90

1

the A band is made up of

Select one of the following:

  • myosin and titin

  • Z disk and actin

  • M line and Z disk

  • actin and myosin

Explanation

Question 10 of 90

1

the structural and functional unit of skeletal muscle is the

Select one of the following:

  • sarcolemme

  • actin myofilament

  • sarcomere

  • myosin myofilament

Explanation

Question 11 of 90

1

What shortens during the sliding filament model of muscle contraction?

Select one of the following:

  • H Zone, A band, and sarcomere

  • 10 bands, 50 bands, 100 bands, fk it man, lets just not even discuss it man

  • sarcomere, H zone, and I band

  • A band, I band, and H zone

Explanation

Question 12 of 90

1

The binding of acetylcholine to a ligand-gated channel will allow ______ to enter the muscle fiber

Select one of the following:

  • calcium ions

  • potassium ions

  • sodium ions

  • All of the choices are correct

Explanation

Question 13 of 90

1

which of the following is NOT part of a neuromuscular junction?

Select one of the following:

  • motor end-plate

  • presynaptic terminal

  • sarcoplasmic reticulum

  • synaptic cleft

Explanation

Question 14 of 90

1

by what process does acetylcholine move to the postsynaptic membrane?

Select one of the following:

  • active transport

  • endocytosis

  • exocytosis

  • osmosis

Explanation

Question 15 of 90

1

what is the direct cause of the release of calcium ions from the sarcoplasmic reticulum?

Select one of the following:

  • ACH binding to the recepton of the Na+ gated channel

  • calcium being released into the presynaptic terminal

  • the action potential traveling into the T tubules

  • potassium flowing out of the postsynaptic membrane

Explanation

Question 16 of 90

1

what is ATP directly used for in cross-bridge movement of myosin?

Select one of the following:

  • Attachment of the myosin head to the active site of actin

  • the power stroke of the myosin head

  • the release of the myosin head from the actin

  • all are correct

Explanation

Question 17 of 90

1

which of the following is NOT an event that occurs during the lag phase of a muscle twitch?

Select one of the following:

  • ACH diffuses across the synaptic cleft

  • the action potential travels down the T tubules

  • cross-bridges between actin and myosin are formed

  • calcium ions bind to troponin

Explanation

Question 18 of 90

1

how does the body respong to an increase in body temperature due to exercise?

Select one of the following:

  • shivering

  • decreased muscle contractions

  • dilation of skin blood vessels and sweating

  • slower respiration

Explanation

Question 19 of 90

1

what causes muscle hypertrophy?

Select one of the following:

  • an increase in the number of muscle fibers

  • fibers increase the number of myofibril and sarcomere

  • skeletal muscle cell nuclei divide

  • all are correct

Explanation

Question 20 of 90

1

sensory receptors and nerves make up the

Select one of the following:

  • Peripheral nervous system

  • enteric nervous sustem

  • autonomic nervous system

  • central nervous system

Explanation

Question 21 of 90

1

a bundle of axons and their connective tissue sheaths are called

Select one of the following:

  • receptors

  • nerves

  • ganglia

  • effectors

Explanation

Question 22 of 90

1

the enteric nervous system involves the

Select one of the following:

  • respiratory system

  • urinary sytem

  • cardiovascular system

  • digestive system

Explanation

Question 23 of 90

1

what organelle in the neuron is the primary site of protein synthesis

Select one of the following:

  • rough ER

  • smooth ER

  • nucleolus

  • nissl substance

Explanation

Question 24 of 90

1

neurotransmitters are found in the

Select one of the following:

  • dendritic spines

  • Presynaptic terminals

  • trigger zone

  • soma

Explanation

Question 25 of 90

1

which of the following is NOT a functional classifications of neurons

Select one of the following:

  • interneuron

  • Bipolar neuron

  • sensory neuron

  • motor neuron

Explanation

Question 26 of 90

1

most sensory neurons are

Select one of the following:

  • Unipolar

  • multipolar

  • bipolar

  • tripolar

Explanation

Question 27 of 90

1

which of the following neuroglia are NOT found in the CNS

Select one of the following:

  • schwann cells

  • oligodendrocytes

  • astrocytes

  • ependymal cells

Explanation

Question 28 of 90

1

which type of neuroglial cells are responsible for the formation of the blood-brain barrier

Select one of the following:

  • schwann cells

  • oligodendrocytes

  • astrocytes

  • ependymal cells

Explanation

Question 29 of 90

1

which type of neuroglial cells respond to inflammation and are phagocytic

Select one of the following:

  • microglial

  • ependymal cells

  • oligodendrocytes

  • astrocytes

Explanation

Question 30 of 90

1

the oligodendrocytes form

Select one of the following:

  • the blood brain barrier

  • The myelin sheath around CNS axons

  • the myelin sheath around PNS axons

  • cerebrospinal fluid

Explanation

Question 31 of 90

1

groups of cell bodies and nonmyelinated axons form

Select one of the following:

  • gray matter

  • white matter

  • nerve tracts

  • ganglia

Explanation

Question 32 of 90

1

collections of myelinated axons in the CNS are called

Select one of the following:

  • ganglia

  • nerve tracts

  • nuclei

  • nerves

Explanation

Question 33 of 90

1

which of the following is NOT found in high concentration outside of a nerve cell

Select one of the following:

  • Na+

  • Cl-

  • Ca2+

  • K+

Explanation

Question 34 of 90

1

what type of membrane channels are nongated and responsible for the permeability of the membrane at rest?

Select one of the following:

  • Na-K pump

  • Leak Channels

  • ligand gated ion channels

  • volatge gated ion channels

Explanation

Question 35 of 90

1

which of the following is NOT true about changes in the membrane potential

Select one of the following:

  • an increase in the movement of potassium out of the cell creates a hyperpolarization

  • an increase in the movement of calcium ions into the cell creates a hyperpolarization

  • an increase in the movement of sodium ions into the cell causes depolarization

  • an increase in the movement of chloride ions into the cell causes hyperpolarization

Explanation

Question 36 of 90

1

the continued movement of potassium ions out of the cell through open voltage-gated K+ channels is called

Select one of the following:

  • polarization

  • depolarization

  • Repolarization

  • hyperpolarization

Explanation

Question 37 of 90

1

complete insensitivity to additional stimuli, no matter how strong is called the

Select one of the following:

  • absolute refractory period

  • threshold period

  • relative refractory period

  • all or none principle

Explanation

Question 38 of 90

1

which of the following is NOT part of a chemical synapse

Select one of the following:

  • connexons

  • postsynaptic terminal

  • synaptic cleft

  • presynaptic terminal

Explanation

Question 39 of 90

1

what type of summation occurs when two action potentials arrive in close succession at the presynaptic terminal that add together to produce an action potential

Select one of the following:

  • temporal summation

  • excitatory summation

  • spatial summation

  • oscillating summation

Explanation

Question 40 of 90

1

a neuron pathway with many presynaptic neurons synapsing with one postsynaptic neuron is called a

Select one of the following:

  • oscillating circuit

  • convergent pathway

  • parallel pathway

  • divergent pathway

Explanation

Question 41 of 90

1

which of the following is NOT a part of the study of anatomy

Select one of the following:

  • the structure of body parts

  • predicting the body's responses to stimuli

  • microscopic organization

  • the relationship between structure and function

Explanation

Question 42 of 90

1

which anatomical body region is NOT matched with its common name

Select one of the following:

  • brachial- arm

  • pectoral- chest

  • coxal- hip

  • crural- ankle

Explanation

Question 43 of 90

1

which of the following is NOT true about isotopes

Select one of the following:

  • isotopes are two or more forms of the same element

  • isotopes have different atomic numbers

  • isotopes have different mass numbers

  • some isotopes are radioactive

Explanation

Question 44 of 90

1

the folding or bending of the polypeptide chain into an alpha-helix or beta-pleated sheet held by hydrogen bonds is the _________ structure of a protein

Select one of the following:

  • primary

  • secondary

  • tertiary

  • quaternary

Explanation

Question 45 of 90

1

in a solution of sugar and water, which of the following is true?

Select one of the following:

  • sugar is the solvent and water is the solution

  • sugar is the solute and water is the solvent

  • sugar is the solvent and water is the solute

  • sugar and water are both getting turnt tonighttttt

Explanation

Question 46 of 90

1

the use of protein molecules to move non-lipid soluble molecules and ions through the plasma membrane is called

Select one of the following:

  • osmosis

  • simple diffusion

  • lysis

  • mediated transport

Explanation

Question 47 of 90

1

what type of cell is found in cartilage

Select one of the following:

  • fibroblast

  • osteocyte

  • chondrocyte

  • osteoclast

Explanation

Question 48 of 90

1

which of the following is NOT a type of internal body membrane

Select one of the following:

  • synovial membrane

  • serous membrane

  • cutaneous membrane

  • mucuous membrane

Explanation

Question 49 of 90

1

which is the correct sequence of the strata of the epidermis from deep to superficial?
1. Stratum Lucidum
2. Stratum basale
3. stratum corneum
4. stratum granulosum
5. stratum spinosum

Select one of the following:

  • 3 1 4 5 2

  • 1 2 3 4 5

  • 2 5 4 1 3

  • 4 2 3 1 5

Explanation

Question 50 of 90

1

the formation of bone by osteoblasts is called

Select one of the following:

  • ossification

  • osteogenesis

  • resorption

  • both ossification and osteogenesis

Explanation

Question 51 of 90

1

the elevated ridges of tissue on the surface of the cerebral hemispheres are known as __________ while the shallow grooves are termed _______

Select one of the following:

  • sucli: gyri

  • gyri: sucli

  • ganglia: gyri

  • tracts: ganglia

Explanation

Question 52 of 90

1

a stroke in the primary motor area has caused Austin to lose control over his skeletal muscles on the right side of his body. What lobe of his brain was damaged?

Select one of the following:

  • occipital lobe

  • temporal lobe

  • frontal lobe

  • parietal lobe

Explanation

Question 53 of 90

1

Kegen has a brain injury: she knows what she wants to say but cant vocalize the words. the part of her brain that deals with the ability to speak is the

Select one of the following:

  • longitudinal fissure

  • gyrus

  • central sulcus

  • Broca's area

Explanation

Question 54 of 90

1

the midbrain, pons, and medulla oblongata are housed in the

Select one of the following:

  • armpit

  • hypothalamus

  • brain stem

  • pineal gland

Explanation

Question 55 of 90

1

which lobe contains the primary motor area and enables the voluntary control of skeletal muscle movements

Select one of the following:

  • parietal lobe

  • temporal lobe

  • occipital lobe

  • frontal lobe

Explanation

Question 56 of 90

1

the pituitary gland is most closely associated with the

Select one of the following:

  • hypothalamus

  • thalamus

  • pineal gland

  • midbrain

Explanation

Question 57 of 90

1

the area of the brain stem that plays a role in consciousness and the sleep/wake cycles is the

Select one of the following:

  • thalamus

  • reticular activating system

  • pineal gland

  • limbic system

Explanation

Question 58 of 90

1

control of temperature, endocrine activity, metabolism, and thirst are functions associated with the

Select one of the following:

  • medulla oblongata

  • cerebellum

  • hypothalamus

  • thalamus

Explanation

Question 59 of 90

1

the vital centers for the control of visceral activities such as heart rate, breathing, blood pressure, swallowing, and vomiting are located in the

Select one of the following:

  • pons

  • medulla oblongata

  • midbrain

  • cerebrum

Explanation

Question 60 of 90

1

loss of muscle coordination results from the damage to the

Select one of the following:

  • cerebrum

  • hypothalamus

  • cerebellum

  • thalamus

Explanation

Question 61 of 90

1

which one of the following represents the correct sequence from the outermost to innermost layers of the meninges

Select one of the following:

  • dura: arachnoid: pia

  • pia: arachnoid: dura

  • arachnoid: dura: pia

  • dura: spider: pia

Explanation

Question 62 of 90

1

the cerebrospinal fluid

Select one of the following:

  • is secreted by the arachnoid villa

  • enters the four ventricles after filling and circulating through the subarachnoid space

  • is secreted mostly by the ependymal cells lining the brain ventricles

  • is continually formed mostly by the choroid plexuses

Explanation

Question 63 of 90

1

the gray matter of the spinal cord

Select one of the following:

  • surrounds the central canal

  • contains myelinated fiber tracts

  • is made up of the dorsal, lateral, and ventral columns

  • surrounds the white matter of the spinal cord

Explanation

Question 64 of 90

1

which one of the following is the correct sequence in connective tissue sheaths, going from outermost to innermost layer

Select one of the following:

  • epineurium, endoneurium, perineurium

  • epineurium, perineurium, endoneurium

  • perineurium, epineurium, endoneurium

  • perineurium, endoneurium, epineurium

Explanation

Question 65 of 90

1

who is the coolest cat of them all, not including Brennan

Select one of the following:

  • Josten

  • Kegen

  • Lindsey

  • Austin

Explanation

Question 66 of 90

1

which of the following is NOT true of skeletal muscle

Select one of the following:

  • long, cylindrical fibers

  • multiple nuclei

  • totally under involuntary control

  • has striations

Explanation

Question 67 of 90

1

what type of connective tissue surrounds bundles of muscle fibers to create the muscle fascicles

Select one of the following:

  • epimysium

  • perimysium

  • muscular fascia

  • endomysium

Explanation

Question 68 of 90

1

what is the plasma membrane of a muscle fiber called

Select one of the following:

  • sarcoplasm

  • sarcomere

  • sarcolemma

  • endomysium

Explanation

Question 69 of 90

1

myofibrils are formed from __________ that are joined end to end

Select one of the following:

  • actin myofilaments

  • sarcomeres

  • myosin myofilaments

  • sarcolemmas

Explanation

Question 70 of 90

1

which molecule covers the active site on the G actin

Select one of the following:

  • tropomyosin

  • troponin

  • titin

  • M line

Explanation

Question 71 of 90

1

the H zone is where

Select one of the following:

  • there is only actin

  • there is only myosin

  • there is only the Z disk

  • there is only titin

Explanation

Question 72 of 90

1

the structural and functional unit of skeletal muscle is the

Select one of the following:

  • sarcolemma

  • actin myofilament

  • sarcomere

  • myosin myofilament

Explanation

Question 73 of 90

1

what shortens during the siding filament model of muscle contraction

Select one of the following:

  • H zone, A band, and sarcomere

  • A band, I band, and sarcomere

  • sarcomere, H zone, I band

  • A band, I band, and H zone

Explanation

Question 74 of 90

1

there are ________ pairs of cranial nerves and _________ pairs of spinal nerves

Select one of the following:

  • 31, 12

  • 12, 25

  • 13, 31

  • 12, 31

Explanation

Question 75 of 90

1

the enteric nervous system involves the

Select one of the following:

  • respiratory system

  • urinary system

  • cardiovascular system

  • digestive system

Explanation

Question 76 of 90

1

which subdivision of the autonomic nervous system regulates resting or vegetative functions

Select one of the following:

  • parasympathetic

  • enteric

  • somatic

  • sympathetic

Explanation

Question 77 of 90

1

what organelle in the neuron is the primary site of protein synthesis

Select one of the following:

  • rough ER

  • smooth ER

  • nucleolus

  • nissl substance

Explanation

Question 78 of 90

1

the area of the neuron cell body that generates the action potential is the

Select one of the following:

  • trigger zone

  • soma

  • dendritic spine

  • none of the choices are correct

Explanation

Question 79 of 90

1

what type of summation occurs when two action potentials arrive in close succession at the presynaptic terminal that add together to produce an action potential

Select one of the following:

  • temporal summation

  • excitatory summation

  • spatial summation

  • oscillating summation

Explanation

Question 80 of 90

1

what produces cerebrospinal fluid

Select one of the following:

  • arachnoid granulations

  • dural sinuses

  • choroid plexuses

  • pia mater

Explanation

Question 81 of 90

1

what type of fibers connect areas of the cerebral cortex within the same hemisphere

Select one of the following:

  • association fibers

  • commissural fibers

  • projection fibers

  • cerebral penducles

Explanation

Question 82 of 90

1

what structure separates the frontal from the parietal lobe

Select one of the following:

  • longitudinal fissure

  • transverse fissure

  • central sulcus

  • lateral fissure

Explanation

Question 83 of 90

1

raised folds on the surface of the cerebrum are called

Select one of the following:

  • gyri

  • sulci

  • fissures

  • lobes

Explanation

Question 84 of 90

1

which of the following is NOT a function of the hypothalamus

Select one of the following:

  • body temperature control

  • autonomic nervous system control

  • mood and emotions

  • all of them

Explanation

Question 85 of 90

1

all sensory impulses except for smell are relayed through the

Select one of the following:

  • hypothalamus

  • epithalamus

  • thalamus

  • subthalamus

Explanation

Question 86 of 90

1

which of the following is NOT part of the diencephalon

Select one of the following:

  • hypothalamus

  • midbrain

  • thalamus

  • subthalamus

Explanation

Question 87 of 90

1

the white matter of the cerebellum is called the

Select one of the following:

  • folia

  • cerebellar penducles

  • arbor vitae

  • vermis

Explanation

Question 88 of 90

1

which of the following is NOT part of the brainstem

Select one of the following:

  • thalamus

  • pons

  • medulla oblongata

  • midbrain

Explanation

Question 89 of 90

1

the connective tissue wrap that surrounds many fascicles to form a nerve is the

Select one of the following:

  • epineurium

  • perineurium

  • endoneurium

  • dermaneurium

Explanation

Question 90 of 90

1

which of the following is the correct sequence of structures in a reflex arc

Select one of the following:

  • effector organ, motor neuron, interneuron, sensory neuron, sensory receptor

  • interneuron, sensory neuron, motor neuron, sensory receptor, effector organ

  • sensory receptor, sensory neuron, interneuron, motor neuron, effector organ

  • sensory receptor, sensory neuron, motor neuron, interneuron, effector organ

Explanation

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