Download 2017 Nervous system Exam A and Key

Nervous System Exam
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Version A
1. Which cranial nerve number controls the motor
functions of the pharynx?
A.
B.
C.
D.
III
VIII
XI
IX
2. Which cranial nerve serves to adduct the eyes?
A.
B.
C.
D.
Trigeminal
Occulomotor
Abducens
Trochelar
3. What kind of message does the Dorsal root carry?
A.
B.
C.
D.
Motor message away from spinal cord
Motor messages toward spinal cord
Sensory message away from spinal cord
Sensory messages toward spinal cord
4. What disease occurs from an inadequate production
of dopamine?
A.
B.
C.
D.
Alzheimer's
Multiple Sclerosis
ALS
Parkinson's Disease
5. Which cranial nerve tests the ability of the tongue to
move around?
A.
B.
C.
D.
Hypoglossal
Glossopharyngeal
Trochlear
Vagus
6. Which drug raises the levels of dopamine in the
brain?
A.
B.
C.
D.
Cocaine
Nicotine
Heroin
Marijuana
7. What is a neurilemma?
A. Promotes the regeneration of neurons in the
CNS
B. Promotes the regeneration of neurons in the
Spinal cord
C. Promotes the regeneration of neurons in the
PNS
D. Promotes the regeneration of neurons in the
brain
8. Which cranial nerve has both sensory and motor
functions?
A.
B.
C.
D.
Abducens
Vestibular Cochlear
Trigeminal
Hypoglossal
9. Which lobe does short term memory take place in?
A.
B.
C.
D.
Frontal
Temporal
Occipital
Parietal
10. What disease occurs from the immune system
attacking the myelin sheath of neurons?
A.
B.
C.
D.
Parkinson's Disease
Alzheimer's
Multiple Sclerosis
ALS
11. What is the purpose of the fissures in our cerebral
cortex?
A.
B.
C.
D.
To make us smarter
To decrease surface area
To increase surface area
To make us process information quicker
12. What does Broca's Area Control?
A.
B.
C.
D.
Sensory parts of speech
Memory for speech
interpreting parts for speech
Motor movements of Speech
13. What hormone does the pineal gland make?
A.
B.
C.
D.
Melanin
Oxytocin
Melatonin
Estrogen
14. What is the refractory period?
A. The time between depolarization and
repolarization
B. The time after repolarization before the next
impulse
C. The time before depolarization
D. The time during the action potential
15. What part of the brain coordinates movement,
balance and muscle tone?
A.
B.
C.
D.
Occipital Lobe
Cerebellum
Frontal Lobe
Parietal Lobe
16. What kind of message does the ventral root carry?
A.
B.
C.
D.
Motor messages toward spinal cord
Motor message away from spinal cord
Sensory message away from spinal cord
Sensory messages toward spinal cord
17. What are the meninges?
A.
B.
C.
D.
Outer layers of protection of the spinal cord
Outer layers of protection of the brain
Outer layers of a neuron
A specialized form of a neuron cell
18. What is an afferent nerve?
A.
B.
C.
D.
Sends motor info to the PNS
Sends motor info from the PNS
Sends sensory info from the PNS
Sends sensory info from the CNS
19. What element is outside of the axon during resting
potential?
A.
B.
C.
D.
Na+
K+
Ca++
Mg++
20. What is an efferent nerve?
A.
B.
C.
D.
Sends sensory info to the PNS
Sends motor info to the PNS
Sends motor info from the PNS
Sends sensory info from the CNS
21. Where is the hormone melatonin produced?
A.
B.
C.
D.
Forebrain
Hindbrain
Midbrain
Not in the brain
22. How many pairs of spinal nerves do we have?
A.
B.
C.
D.
30
31
32
33
23. What is the relay center for the eye and ear
reflexes?
A.
B.
C.
D.
Forebrain
Hindbrain
Midbrain
Parietal lobe
24. What is cranial nerve 7?
A.
B.
C.
D.
Vestibular Cochlear
Olfactory
Facial
Vagus
25. In what lobe of the brain does taste occur in?
A.
B.
C.
D.
Temporal
Occipital
Cerebellum
Parietal
26. What is a Schwann cell?
A.
B.
C.
D.
Makes Neurons
Makes action potentials
Makes Myelin
Used in the transmission of neurotransmitters
27. What is the primary somatosensory area of the
cerebral cortex?
A.
B.
C.
D.
Dorsal Central Sulcus
Ventral Central Sulcus
Frontal Lobe
Parietal Lobe
28. How many TOTAL divisions does the PNS have?
A.
B.
C.
D.
2
4
6
8
29. Are cranial nerves considered part of the CNS?
A. True
B. False
30. Which is NOT a way in which a drug can affect a
neurotransmitter?
A. Cause leakage out of a synaptic vesicle into the
axon bulb
B. Prevent release of the neurotransmitter into
the synaptic cleft
C. Promote release of the neurotransmitter into
the synaptic cleft
D. None of the above
31. Which cranial nerve allows us to have facial
expressions?
A.
B.
C.
D.
Trigeminal
Facial
Trochlear
Vagus
32. Gray matter in the spinal cord forms which letter
symbol?
A.
B.
C.
D.
“U”
“P”
“H”
“G”
33. What is Myelin made out of?
A.
B.
C.
D.
Polyunsaturated fats
Polysaturated fats
Lipids
Cholesterol
34. What is the resting potential?
A.
B.
C.
D.
-40 mV
+70 mV
-70 mV
+40 mV
36. What element is inside the axon during resting
potential?
A.
B.
C.
D.
K+
Ca++
Mg++
Na+
37. What is the Somatic Nervous system?
A.
B.
C.
D.
A division of the motor (efferent) nerves
A division of the sensory (afferent) nerves
Controls hormone balance the
Another name for the Fight of Flight system
38. what contains the medulla oblongata?
A.
B.
C.
D.
Pons
Cerebellum
Cerebral Cortex
Hindbrain
39. During Depolarization what is the charge inside the
axon?
A.
B.
C.
D.
-70 mV
+40mV
-40 mV
+70mV
35. What is the resting potential?
A. The state of the axon after an impulse has been
conducted
B. The state of the axon while it is conducting an
impulse
C. The state of the axon not conducting an impulse
D. The state of the axon when it cannot not
conduct an impulse
40. Which drug prevents the uptake of dopamine in the
brain?
A.
B.
C.
D.
Nicotine
Heroin
Marijuana
Cocaine
41. How thick is the cerebral cortex?
A.
B.
C.
D.
1 mm
1cm
10mm
10cm
42. During what phase of the “Nerve Impulse” are the
sodium gates open and the potassium gates closed?
A.
B.
C.
D.
Mebrane Polarization
Depolorization
Resting phase
Repolarization
43. What element causes synaptic vessels to release
their neurontransmitters in to the synapse?
A.
B.
C.
D.
Na+
Ca2+
K+
Mg2+
44. During depolarization, what causes the charge
reversal inside the cell?
A.
B.
C.
D.
Sodium rushing in
Potassium rushing out
Sodium rushing out
Potassium rushing in
45. How do some nerve signals feel stronger than
others?
A.
B.
C.
D.
The frequency of the action potential increase
the speed of the action potential increase
the amount of the action potential increase
Because some signals are more important than
others
46. what connects the endocrine and nervous systems
together?
A.
B.
C.
D.
Hypothalamus
Thalamus
Pineal gland
Pituitary gland
47. What is the threshold potential?
A. The level of intensity a neuron needs to send a
message
B. The level of intensity a neuron needs to create
signals
C. The level of intensity a neuron needs to fire
D. The level of intensity a neuron completes a
message at
48. Multiple sclerosis is a disease of what part of the
neuron?
A.
B.
C.
D.
Axon
Myelin
Cell body
Dendrite
49. What is the gray matter composed of in the brain
and spinal cord?
A.
B.
C.
D.
Interneurons
Cell bodies
Cell bodies and Interneurons
Interneurons and Axons
50. Which lobe does smelling and hearing take place in?
A.
B.
C.
D.
Frontal
Occipital
Parietal
Temporal