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Module 8 Optional Review

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Test sobre Module 8 Optional Review, creado por Julie Howard el 07/11/2020.
Julie Howard
Test por Julie Howard, actualizado hace más de 1 año
Julie Howard
Creado por Julie Howard hace alrededor de 4 años
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Resumen del Recurso

Pregunta 1

Pregunta
I had to get creative with the editing of the photo. What phase of an action potential is indicated by the kaboom image?
Image:
Action+Potential (binary/octet-stream)
Respuesta
  • Depolarization
  • Repolarization
  • Hyperpolarization
  • Local Potential
  • Resting Membrane Potential

Pregunta 2

Pregunta
I had to get creative with the editing of the photo. What phase of an action potential is indicated by the cloud icon?
Image:
Action+Potential (binary/octet-stream)
Respuesta
  • Depolarization
  • Repolarization
  • Hyperpolarization
  • Local Potential
  • Resting Membrane Potential

Pregunta 3

Pregunta
I had to get creative with the editing of the photo. What phase of an action potential is indicated by the poof icon?
Image:
Action+Potential (binary/octet-stream)
Respuesta
  • Depolarization
  • Repolarization
  • Hyperpolarization
  • Local Potential
  • Resting Membrane Potential

Pregunta 4

Pregunta
I had to get creative with the editing of the photo. What phase of an action potential is indicated by the crying emoji?
Image:
Action+Potential (binary/octet-stream)
Respuesta
  • Depolarization
  • Repolarization
  • Hyperpolarization
  • Local Potential
  • Resting Membrane Potential

Pregunta 5

Pregunta
I had to get creative with the editing of the photo. What phase of an action potential is indicated by the sleeping emoji?
Image:
Action+Potential (binary/octet-stream)
Respuesta
  • Depolarization
  • Repolarization
  • Hyperpolarization
  • Local Potential
  • Resting Membrane Potential

Pregunta 6

Pregunta
What is happening in the action potential at number 1?
Image:
Action+Potential+Clean (binary/octet-stream)
Respuesta
  • Na+ arriving at trigger zone depolarizes the membrane.
  • At threshold, voltage-regulated ion gates open, neuron "fires
  • Self-accelerating Na+ inflow rapidly depolarizes membrane.
  • Na+ gates begin closing at 0 mv; membrane reaches +35 mV by the time all are closed and Na+ inflow ceases.
  • Slow K+ gates have been opening since step 2; K+ outflow now repolarizes cell.
  • Excess K+ outflow produces slight overshoot
  • Ion diffusion and K+ removal by astrocytes restore RMP

Pregunta 7

Pregunta
What is happening in the action potential at number 2?
Image:
Action+Potential+Clean (binary/octet-stream)
Respuesta
  • Na+ arriving at trigger zone depolarizes the membrane.
  • At threshold, voltage-regulated ion gates open, neuron "fires
  • Self-accelerating Na+ inflow rapidly depolarizes membrane.
  • Na+ gates begin closing at 0 mv; membrane reaches +35 mV by the time all are closed and Na+ inflow ceases.
  • Slow K+ gates have been opening since step 2; K+ outflow now repolarizes cell.
  • Excess K+ outflow produces slight overshoot
  • Ion diffusion and K+ removal by astrocytes restore RMP

Pregunta 8

Pregunta
What is happening in the action potential at number 3?
Image:
Action+Potential+Clean (binary/octet-stream)
Respuesta
  • Na+ arriving at trigger zone depolarizes the membrane.
  • At threshold, voltage-regulated ion gates open, neuron "fires
  • Self-accelerating Na+ inflow rapidly depolarizes membrane.
  • Na+ gates begin closing at 0 mv; membrane reaches +35 mV by the time all are closed and Na+ inflow ceases.
  • Slow K+ gates have been opening since step 2; K+ outflow now repolarizes cell.
  • Excess K+ outflow produces slight overshoot
  • Ion diffusion and K+ removal by astrocytes restore RMP

Pregunta 9

Pregunta
What is happening in the action potential at number 4?
Image:
Action+Potential+Clean (binary/octet-stream)
Respuesta
  • Na+ arriving at trigger zone depolarizes the membrane.
  • At threshold, voltage-regulated ion gates open, neuron "fires
  • Self-accelerating Na+ inflow rapidly depolarizes membrane.
  • Na+ gates begin closing at 0 mv; membrane reaches +35 mV by the time all are closed and Na+ inflow ceases.
  • Slow K+ gates have been opening since step 2; K+ outflow now repolarizes cell.
  • Excess K+ outflow produces slight overshoot
  • Ion diffusion and K+ removal by astrocytes restore RMP

Pregunta 10

Pregunta
What is happening in the action potential at number 5?
Image:
Action+Potential+Clean (binary/octet-stream)
Respuesta
  • Na+ arriving at trigger zone depolarizes the membrane.
  • At threshold, voltage-regulated ion gates open, neuron "fires
  • Self-accelerating Na+ inflow rapidly depolarizes membrane.
  • Na+ gates begin closing at 0 mv; membrane reaches +35 mV by the time all are closed and Na+ inflow ceases.
  • Slow K+ gates have been opening since step 2; K+ outflow now repolarizes cell.
  • Excess K+ outflow produces slight overshoot
  • Ion diffusion and K+ removal by astrocytes restore RMP

Pregunta 11

Pregunta
What is happening in the action potential at number 6?
Image:
Action+Potential+Clean (binary/octet-stream)
Respuesta
  • Na+ arriving at trigger zone depolarizes the membrane.
  • At threshold, voltage-regulated ion gates open, neuron "fires
  • Self-accelerating Na+ inflow rapidly depolarizes membrane.
  • Na+ gates begin closing at 0 mv; membrane reaches +35 mV by the time all are closed and Na+ inflow ceases.
  • Slow K+ gates have been opening since step 2; K+ outflow now repolarizes cell.
  • Excess K+ outflow produces slight overshoot
  • Ion diffusion and K+ removal by astrocytes restore RMP

Pregunta 12

Pregunta
What is happening in the action potential at number 7?
Image:
Action+Potential+Clean (binary/octet-stream)
Respuesta
  • Na+ arriving at trigger zone depolarizes the membrane.
  • At threshold, voltage-regulated ion gates open, neuron "fires
  • Self-accelerating Na+ inflow rapidly depolarizes membrane.
  • Na+ gates begin closing at 0 mv; membrane reaches +35 mV by the time all are closed and Na+ inflow ceases.
  • Slow K+ gates have been opening since step 2; K+ outflow now repolarizes cell.
  • Excess K+ outflow produces slight overshoot
  • Ion diffusion and K+ removal by astrocytes restore RMP

Pregunta 13

Pregunta
How does myelin speed up signals?
Respuesta
  • by wrapping tightly around an axon, sealing the nerve fiber and increasing resistance to leakage of Na+
  • by creating a greater separation between ICF and ECF, allowing Na+ ions to move more freely
  • by wrapping tightly around an axon, sealing the nerve fiber and increasing resistance to leakage of Mg+
  • by creating a greater separation between ICF and ECF, allowing Mg+ ions to move more freely

Pregunta 14

Pregunta
Which is not a type of neuroglia of the CNS?
Respuesta
  • oligodendrocytes
  • ependymal cells
  • microglia
  • astrocytes
  • satellite cells

Pregunta 15

Pregunta
What are bipolar neurons?
Respuesta
  • Neurons that contain both an axon and a dendrite.
  • Unbranched neurons
  • Neurons that cause irregular transmission of signals.
  • Neurons that change between fast and slow transmissions.

Pregunta 16

Pregunta
What are functions of glial cells?
Respuesta
  • protect neurons and help them function
  • bind neurons together
  • provide supportive framework for neural tissue
  • control release of neurotransmitters

Pregunta 17

Pregunta
Satellite cells provide insulation around the body of neurons.
Respuesta
  • True
  • False

Pregunta 18

Pregunta
Synaptic knobs secrete neurotransmitters.
Respuesta
  • True
  • False

Pregunta 19

Pregunta
What two organ systems are dedicated to maintaining internal coordination?
Respuesta
  • Nervous system
  • Endocrine system
  • Cardiovascular system
  • Immune system

Pregunta 20

Pregunta
Which is not included in the structure of a neuron?
Respuesta
  • soma
  • axon
  • terminal arborization
  • synaptic knob
  • axosizomites
  • axon hillock
  • dendrites
  • neurofibrils

Pregunta 21

Pregunta
Which 2 types of ligaments arise from the pia mater?
Respuesta
  • coccygeal ligament
  • denticulate ligament
  • arachnoid ligament
  • plica ligament

Pregunta 22

Pregunta
Which is not one of the meninges?
Respuesta
  • dura mater
  • arachnoid mater
  • pia mater
  • glia mater

Pregunta 23

Pregunta
Select all of the nerve plexuses in the body.
Respuesta
  • cervical plexus
  • brachial plexus
  • lumbar plexus
  • sacral plexus
  • coccygeal plexus
  • dorsal plexus
  • sciatic plexus

Pregunta 24

Pregunta
A [blank_start]dermatome[blank_end] a specific area of the skin that sends sensory signals to each spinal nerve
Respuesta
  • dermatome
  • myotome
  • epitome
  • sensoratome

Pregunta 25

Pregunta
The [blank_start]cauda equina[blank_end] is the bundle of nerves in vertebral column at the terminal end of the spinal cord.
Respuesta
  • cauda equina

Pregunta 26

Pregunta
A [blank_start]ganglion[blank_end] is a cluster of neurosomas outside the CNS.
Respuesta
  • ganglion

Pregunta 27

Pregunta
Gray matter is composed of:
Respuesta
  • 2 posterior horns
  • 1 anterior horn
  • 2 lateral horns
  • 2 anterior horns
  • 1 lateral horn
  • 1 posterior horn

Pregunta 28

Pregunta
Gray matter has a dull color because it contains little amounts of [blank_start]myelin[blank_end].
Respuesta
  • myelin

Pregunta 29

Pregunta
What are sense organs specialized to monitor position and movement of body parts?
Respuesta
  • proprioceptors
  • chemoreceptors
  • baroreceptors
  • neuroreceptors

Pregunta 30

Pregunta
What signals are transmitted by the spinothalamic tract?
Respuesta
  • pain
  • pressure
  • temperature
  • tickle
  • itch
  • light touch
  • crude touch
  • kinesthesia

Pregunta 31

Pregunta
White matter consists of:
Respuesta
  • 2 posterior columns
  • 2 lateral columns
  • 2 anterior columns
  • 1 posterior column
  • 1 lateral column
  • 1 anterior column

Pregunta 32

Pregunta
The amygdala is associated with long term memory.
Respuesta
  • True
  • False

Pregunta 33

Pregunta
[blank_start]Broca's area[blank_end] of the brain generates motor programming for planned speech and sends it to the primary motor cortex.
Respuesta
  • Broca's area

Pregunta 34

Pregunta
Functions of cerebellar peduncles:
Respuesta
  • aid in motor coordination
  • evaluates sensory input
  • evaluates complex language input
  • evaluates pitch differentiation
  • responsible for impulse control issues

Pregunta 35

Pregunta
The [blank_start]cerebellum[blank_end] allows for learning motor skills.
Respuesta
  • cerebellum
  • cerebrum
  • medulla
  • pons
  • corpus callosum

Pregunta 36

Pregunta
The structures of the brainstem include:
Respuesta
  • diencephalon
  • midbrain
  • medulla
  • pons
  • corpus callosum

Pregunta 37

Pregunta
CSF contains more Na and Cl, less K, Ca and glucose than plasma and little protein.
Respuesta
  • True
  • False

Pregunta 38

Pregunta
The [blank_start]hippocampus[blank_end] is the memory forming center. It teaches the cortex through repetition called memory consolidation.
Respuesta
  • hippocampus
  • amygdala
  • hypothalamus

Pregunta 39

Pregunta
The hypothalamus is a major control center of autonomic nervous system and endocrine system. It plays a major role in nearly all homeostatic regulation
Respuesta
  • True
  • False

Pregunta 40

Pregunta
The [blank_start]diencephalon[blank_end] contains the hypothalamus, thalamus, and epithalamus.
Respuesta
  • diencephalon
  • hippocampus
  • reticular formation

Pregunta 41

Pregunta
The [blank_start]substantia nigra[blank_end] relays inhibitory signals to thalamus and basal nuclei preventing unwanted movement. Neuron damage here leads to Parkinson's Disease.
Respuesta
  • substantia nigra

Pregunta 42

Pregunta
The adrenal cortex secretes:
Respuesta
  • steroids
  • glucagon
  • adrenalin
  • pheromones

Pregunta 43

Pregunta
Preganglionic neurons synapse in the medulla oblongata.
Respuesta
  • True
  • False

Pregunta 44

Pregunta
The PNS effects blood vessels.
Respuesta
  • True
  • False

Pregunta 45

Pregunta
The ANS is divided into sympathetic and parasympathetic nervous systems.
Respuesta
  • True
  • False

Pregunta 46

Pregunta
Muscarinic receptors are located on:
Respuesta
  • glands
  • smooth muscle cells
  • cardiac muscle cells
  • lymph nodes

Pregunta 47

Pregunta
Stress on SNS dilates vessels in the skeletal muscles and heart.
Respuesta
  • True
  • False

Pregunta 48

Pregunta
SNS function is rest and digest.
Respuesta
  • True
  • False

Pregunta 49

Pregunta
ANS control is generally voluntary.
Respuesta
  • True
  • False

Pregunta 50

Pregunta
Where is the cell body/soma of a preganglionic neuron?
Respuesta
  • spinal cord
  • brain stem
  • ganglion

Pregunta 51

Pregunta
Where is the cell body/soma of a postganglionic neuron?
Respuesta
  • spinal cord
  • brain stem
  • ganglion

Pregunta 52

Pregunta
Accessory structures of the orbit consist of:
Respuesta
  • eyebrows
  • eyelids
  • conjunctiva
  • blepharon

Pregunta 53

Pregunta
The auditory receptors of the spiral organ are neurons.
Respuesta
  • True
  • False

Pregunta 54

Pregunta
Each semicircular duct ends in an [blank_start]ampulla[blank_end].
Respuesta
  • ampulla
  • emmetropia
  • saccule

Pregunta 55

Pregunta
Which is not an auditory ossicle?
Respuesta
  • malleus
  • incus
  • stapes
  • malleolus

Pregunta 56

Pregunta
The Fovea Centralis is the center of the macula.
Respuesta
  • True
  • False

Pregunta 57

Pregunta
Exteroreceptors detect external stimuli ex. vision, hearing, smell, taste, touch.
Respuesta
  • True
  • False

Pregunta 58

Pregunta
Extrinsic eye muscles are innervated by the [blank_start]oculomotor[blank_end], [blank_start]trochlear[blank_end] and [blank_start]abducens nerve[blank_end].
Respuesta
  • oculomotor
  • trochlear
  • abducens nerve

Pregunta 59

Pregunta
Interoreceptors detect internal stimuli.
Respuesta
  • True
  • False

Pregunta 60

Pregunta
How many muscles insert on the eyeball?
Respuesta
  • 2
  • 4
  • 6
  • 8

Pregunta 61

Pregunta
The largest neurons in retina are [blank_start]ganglion cells[blank_end].
Respuesta
  • ganglion cells
  • rods and cones

Pregunta 62

Pregunta
Where is the macula lutea located?
Respuesta
  • on the superior portion of the retina
  • on the center of the retina
  • on the lateral edge of the retina
  • on the inferior portion of the retina

Pregunta 63

Pregunta
The [blank_start]optic disk[blank_end] is the area in the back of the eye where nerve fibers from the retina converge and exit the eye to form optic nerve.
Respuesta
  • optic disk

Pregunta 64

Pregunta
Rods need full light for color vision.
Respuesta
  • True
  • False

Pregunta 65

Pregunta
Which is not a tunic of the eyeball?
Respuesta
  • fibrous
  • vascular
  • neural
  • scleral

Pregunta 66

Pregunta
Taste cells are neurons.
Respuesta
  • True
  • False

Pregunta 67

Pregunta
The conjunctiva does not cover what part of the eye?
Respuesta
  • cornea
  • pupil
  • lens

Pregunta 68

Pregunta
The the [blank_start]retina[blank_end] attaches to the optic disc and ora serrata.
Respuesta
  • retina
  • cornea
  • pupil

Pregunta 69

Pregunta
The anterior chamber is between the cornea and iris.
Respuesta
  • True
  • False
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