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Module 8 Optional Review

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Quiz on Module 8 Optional Review, created by Julie Howard on 07/11/2020.
Julie Howard
Quiz by Julie Howard, updated more than 1 year ago
Julie Howard
Created by Julie Howard about 4 years ago
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Resource summary

Question 1

Question
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)
Answer
  • Depolarization
  • Repolarization
  • Hyperpolarization
  • Local Potential
  • Resting Membrane Potential

Question 2

Question
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)
Answer
  • Depolarization
  • Repolarization
  • Hyperpolarization
  • Local Potential
  • Resting Membrane Potential

Question 3

Question
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)
Answer
  • Depolarization
  • Repolarization
  • Hyperpolarization
  • Local Potential
  • Resting Membrane Potential

Question 4

Question
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)
Answer
  • Depolarization
  • Repolarization
  • Hyperpolarization
  • Local Potential
  • Resting Membrane Potential

Question 5

Question
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)
Answer
  • Depolarization
  • Repolarization
  • Hyperpolarization
  • Local Potential
  • Resting Membrane Potential

Question 6

Question
What is happening in the action potential at number 1?
Image:
Action+Potential+Clean (binary/octet-stream)
Answer
  • 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

Question 7

Question
What is happening in the action potential at number 2?
Image:
Action+Potential+Clean (binary/octet-stream)
Answer
  • 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

Question 8

Question
What is happening in the action potential at number 3?
Image:
Action+Potential+Clean (binary/octet-stream)
Answer
  • 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

Question 9

Question
What is happening in the action potential at number 4?
Image:
Action+Potential+Clean (binary/octet-stream)
Answer
  • 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

Question 10

Question
What is happening in the action potential at number 5?
Image:
Action+Potential+Clean (binary/octet-stream)
Answer
  • 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

Question 11

Question
What is happening in the action potential at number 6?
Image:
Action+Potential+Clean (binary/octet-stream)
Answer
  • 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

Question 12

Question
What is happening in the action potential at number 7?
Image:
Action+Potential+Clean (binary/octet-stream)
Answer
  • 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

Question 13

Question
How does myelin speed up signals?
Answer
  • 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

Question 14

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

Question 15

Question
What are bipolar neurons?
Answer
  • 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.

Question 16

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

Question 17

Question
Satellite cells provide insulation around the body of neurons.
Answer
  • True
  • False

Question 18

Question
Synaptic knobs secrete neurotransmitters.
Answer
  • True
  • False

Question 19

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

Question 20

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

Question 21

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

Question 22

Question
Which is not one of the meninges?
Answer
  • dura mater
  • arachnoid mater
  • pia mater
  • glia mater

Question 23

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

Question 24

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

Question 25

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

Question 26

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

Question 27

Question
Gray matter is composed of:
Answer
  • 2 posterior horns
  • 1 anterior horn
  • 2 lateral horns
  • 2 anterior horns
  • 1 lateral horn
  • 1 posterior horn

Question 28

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

Question 29

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

Question 30

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

Question 31

Question
White matter consists of:
Answer
  • 2 posterior columns
  • 2 lateral columns
  • 2 anterior columns
  • 1 posterior column
  • 1 lateral column
  • 1 anterior column

Question 32

Question
The amygdala is associated with long term memory.
Answer
  • True
  • False

Question 33

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

Question 34

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

Question 35

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

Question 36

Question
The structures of the brainstem include:
Answer
  • diencephalon
  • midbrain
  • medulla
  • pons
  • corpus callosum

Question 37

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

Question 38

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

Question 39

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

Question 40

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

Question 41

Question
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.
Answer
  • substantia nigra

Question 42

Question
The adrenal cortex secretes:
Answer
  • steroids
  • glucagon
  • adrenalin
  • pheromones

Question 43

Question
Preganglionic neurons synapse in the medulla oblongata.
Answer
  • True
  • False

Question 44

Question
The PNS effects blood vessels.
Answer
  • True
  • False

Question 45

Question
The ANS is divided into sympathetic and parasympathetic nervous systems.
Answer
  • True
  • False

Question 46

Question
Muscarinic receptors are located on:
Answer
  • glands
  • smooth muscle cells
  • cardiac muscle cells
  • lymph nodes

Question 47

Question
Stress on SNS dilates vessels in the skeletal muscles and heart.
Answer
  • True
  • False

Question 48

Question
SNS function is rest and digest.
Answer
  • True
  • False

Question 49

Question
ANS control is generally voluntary.
Answer
  • True
  • False

Question 50

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

Question 51

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

Question 52

Question
Accessory structures of the orbit consist of:
Answer
  • eyebrows
  • eyelids
  • conjunctiva
  • blepharon

Question 53

Question
The auditory receptors of the spiral organ are neurons.
Answer
  • True
  • False

Question 54

Question
Each semicircular duct ends in an [blank_start]ampulla[blank_end].
Answer
  • ampulla
  • emmetropia
  • saccule

Question 55

Question
Which is not an auditory ossicle?
Answer
  • malleus
  • incus
  • stapes
  • malleolus

Question 56

Question
The Fovea Centralis is the center of the macula.
Answer
  • True
  • False

Question 57

Question
Exteroreceptors detect external stimuli ex. vision, hearing, smell, taste, touch.
Answer
  • True
  • False

Question 58

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

Question 59

Question
Interoreceptors detect internal stimuli.
Answer
  • True
  • False

Question 60

Question
How many muscles insert on the eyeball?
Answer
  • 2
  • 4
  • 6
  • 8

Question 61

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

Question 62

Question
Where is the macula lutea located?
Answer
  • 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

Question 63

Question
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.
Answer
  • optic disk

Question 64

Question
Rods need full light for color vision.
Answer
  • True
  • False

Question 65

Question
Which is not a tunic of the eyeball?
Answer
  • fibrous
  • vascular
  • neural
  • scleral

Question 66

Question
Taste cells are neurons.
Answer
  • True
  • False

Question 67

Question
The conjunctiva does not cover what part of the eye?
Answer
  • cornea
  • pupil
  • lens

Question 68

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

Question 69

Question
The anterior chamber is between the cornea and iris.
Answer
  • True
  • False
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