Answer Options:
a) True
b) False
Answer: b) False
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:
Leakage channel
Voltage-gated channel
Mechanically gated channel
Ligand-gated channel
Answer: Voltage-gated channel
Question: The glossopharyngeal nerve is the only cranial nerve that contains sensory fibers.
Answer Options:
True
False
Answer: False
Question: Which of the following is not a main level of neural integration in the somatosensory system?
Answer Options:
receptor
segmental
circuit
perceptual
Answer: receptor
Question: Information from balance receptors goes directly to the ________.
Answer Options:
A. visual cortex
B. back muscles
C. motor cortex
D. brain stem reflex centers
Answer Options:
A. visual cortex
B. back muscles
C. motor cortex
D. brain stem reflex centers
Answer: D. brain stem reflex centers
Question: Starting at the spinal cord, the subdivisions of the brachial plexus are (in order):
Answer Options:
a) divisions, roots, trunks, and cords
b) trunks, divisions, cords, and roots
c) roots, trunks, divisions, and cords
Answer: c) roots, trunks, divisions, and cords (User’s incorrect answer: b) trunks, divisions, cords, and roots)
Question: Which statement about coma is true?
Answer Options:
Coma may be caused by widespread cerebral or brain stem trauma.
Coma is neurologically identical to syncope.
During coma, brain oxygen consumption resembles that of a waking state.
Coma is a form of deep sleep.
Answer: Coma may be caused by widespread cerebral or brain stem trauma.
Question: Specific motor and sensory functions are localized in specific areas called domains, whereas memory and language have overlapping domains.
Answer Options:
a) True
b) False
Answer: b) False
Question: What are ciliated CNS neuroglia that play an active role in moving the cerebrospinal fluid called?
Answer Options:
a) ependymal cells
b) astrocytes
c) Schwann cells
d) oligodendrocytes
Answer: a) ependymal cells
Question: A major nerve of the lumbar plexus is the ________.
Answer Options:
sciatic
iliohypogastric
femoral
ilioinguinal
Answer: femoral
Question: Which of the following nerves does not arise from the brachial plexus?
Answer Options:
radial
median
ulnar
phrenic
Answer: phrenic
Question: The part of a neuron that conducts impulses away from its cell body is called a(n) _______.
Answer Options:
a) Schwann cell
b) neurilemma
c) dendrite
d) axon
Answer: d) axon
Question: Potentially damaging stimuli that result in pain are selectively detected by ________.
Answer Options:
A. nociceptors
B. photoreceptors
Answer Options:
A. nociceptors
B. photoreceptors
Answer: A. nociceptors
Question: A postsynaptic potential is a graded potential that is the result of a neurotransmitter released into the synapse between two neurons.
Answer Options:
True
False
Answer: True
Question: Most blood vessels are innervated by the sympathetic division alone.
Answer Options:
True
False
Answer: True