Question: Which ion channel opens in response to a change in membrane potential and participates in the generation and conduction of action potentials?

Answer Options:
a) leakage channel
b) mechanically gated channel
c) ligand-gated channel
d) voltage-gated channel

Answer: d) voltage-gated channel

Question: The central sulcus separates which lobes?

Answer Options:
a) frontal from parietal
b) temporal from parietal
c) frontal from temporal
d) parietal from occipital

Answer: a) frontal from parietal

Question: A shallow groove on the surface of the cortex is called a ________.

Answer Options:
a) sulcus
b) gyrus
c) furrow
d) fissure

Answer: a) sulcus

Question: The central sulcus separates which lobes?

Answer Options:
a) frontal from parietal
b) temporal from parietal
c) frontal from temporal
d) parietal from occipital

Answer: a) frontal from parietal

Question: The arbor vitae refers to ________.

Answer Options:
a) the petal-like convolutions of the cerebellum
b) cerebellar gray matter
c) cerebellar white matter
d) flocculonodular nodes

Answer: c) cerebellar white matter

Question: True or False: Physiologically, the neurons in your brain are like muscles in your body in that the more you use them, the more they grow

Answer Options:
True
False

Answer: True

Question: What does the central nervous system use to determine the strength of a stimulus?

Answer Options:
a) size of action potentials
b) type of stimulus receptor
c) origin of the stimulus
d) frequency of action potentials

Answer: d) frequency of action potentials

Question: All of the following are structures of the limbic system except the ________.

Answer Options:
a) amygdaloid nucleus
b) hippocampus
c) caudate nucleus
d) cingulate gyrus

Answer: c) caudate nucleus

Question: What does the central nervous system use to determine the strength of a stimulus?

Answer Options:
a) size of action potentials
b) type of stimulus receptor
c) origin of the stimulus
d) frequency of action potentials

Answer: d) frequency of action potentials

Question: The process of linking new facts with old facts already stored in the memory bank is called ________.

Answer Options:
a) rehearsal
b) automatic memory
c) Association
d) long-term memory

Answer: c) Association

Question: The part of a neuron that conducts impulses away from its cell body is called an___.

Answer Options:
a) dendrite
b) neurilemma
c) Schwann cell
d) axon

Answer: d) axon

Question: A shallow groove on the surface of the cortex is called a ________.

Answer Options:
a) sulcus
b) gyrus
c) furrow
d) fissure

Answer: a) sulcus

Question: Issues relating to TRICARE’s ability to provide care include providing care in rural areas, treating veterans with traumatic brain injuries, and providing rehab services to soldiers injured in 21st-century wars.

Answer Options:
True
False

Answer: True

Question: The subarachnoid space lies between what two layers of meninges?

Answer Options:
a) dura and epidura
b) arachnoid and dura
c) arachnoid and epidura
d) arachnoid and pia

Answer: d) arachnoid and pia

Question: The subarachnoid space lies between what two layers of meninges?

Answer Options:
a) dura and epidura
b) arachnoid and dura
c) arachnoid and epidura
d) arachnoid and pia

Answer: d) arachnoid and pia

Question: The part of a neuron that conducts impulses away from its cell body is called an___.

Answer Options:
a) dendrite
b) neurilemma
c) Schwann cell
d) axon

Answer: d) axon

Question: Which of the following is not a function of the CSF?

Answer Options:
a) protection from blows
b) initiation of some nerve impulses
c) nourishment of the brain
d) reduction of brain weight

Answer: b) initiation of some nerve impulses

Question: All of the following are structures of the limbic system except the ________.

Answer Options:
a) amygdaloid nucleus
b) hippocampus
c) caudate nucleus
d) cingulate gyrus

Answer: c) caudate nucleus

Question: The part of a neuron that conducts impulses away from its cell body is called an___.

Answer Options:
a) dendrite
b) neurilemma
c) Schwann cell
d) axon

Answer: d) axon

Question: The arbor vitae refers to ________.

Answer Options:
a) the petal-like convolutions of the cerebellum
b) cerebellar gray matter
c) cerebellar white matter
d) flocculonodular nodes

Answer: c) cerebellar white matter

Question: The arbor vitae refers to ________.

Answer Options:
a) the petal-like convolutions of the cerebellum
b) cerebellar gray matter
c) cerebellar white matter
d) flocculonodular nodes

Answer: c) cerebellar white matter

Question: An inhibitory postsynaptic potential (IPSP) is associated with ________.

Answer Options:
a) lowering the threshold for an action potential to occur
b) hyperpolarization
c) opening of voltage-regulated channels
d) a change in sodium ion permeability

Answer: b) hyperpolarization