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Question
In an infant, the epiglottis
a. depresses during the swallow.
b. remains elevated during the swallow.
c. remains in contact with the velum during the swallow.
d. a & b
e. b & c
Answer
This answer is hidden. It contains 1 characters.
Related questions
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The ____________________ of the frontal lobe is the region involved in initiation of the motor act.
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____________________ refers to difficulty naming objects.
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____________________ sensors transduce information about muscle length.
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A ____________________ unit consists of a motor neuron, its axon, and the muscle fibers it innervates.
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A(n) ____________________ potential is a change in electrical potential that occurs when the cell membrane is stimulated adequately to permit ion exchange between intra- and extracellular spaces.
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In the neuromuscular junction of skeletal muscle,
a. acetylcholine (ACH) activates muscle function.
b. gamma aminobutyric acid (GABA) activates muscle function.
c. dopamine (DA) activates muscle function.
d. none of the above.
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Inhibition causes
a. depolarization. b. hyperpolarization.
c. repolarization. d. none of the above.
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IPSP refers to
a. a potential that is excitatory in nature.
b. use of the neurotransmitter acetylcholine (ACH).
c. an inhibitory potential.
d. an input potential.
Q:
A neuron can fire approximately once every
a. 1 ms. b. 10 ms.
c. 100 ms. d. 1,000 ms.
Q:
The period following depolarization when a neuron cannot fire is termed the
a. absolutely (absolute) refractory period.
b. relatively (relative) refractory period.
c. hypostyle (ascending) refractory period.
d. adductory (closing) refractory period.
Q:
Commands for voluntary functions originate in the
a. spinal cord. b. brainstem.
c. cerebellum. d. cerebrum.
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The superior and inferior colliculi are found at the level of the ____________________ in the brainstem.
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The obex is a landmark of the ____________________ of the brainstem.
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Fibers of the corticospinal tract that do not decussate at the pyramids descend uncrossed as the ____________________ tract.
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The 31 pairs of ____________________ arise from the spinal cord.
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The term white matter refers to the specific component of a neuron known as ____________________.
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Synaptic vesicles are found within the ____________________.
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Protective, reactive responses such as goosebumps, sweating, and pupil dilation are triggered by the
a. sympathetic nervous system. b. nonsympathetic nervous system.
c. emotional nervous system. d. irrational nervous system.
Q:
Vision is mediated by
a. thermoreceptors. b. photoreceptors.
c. phonoreceptors. d. proprioceptors.
Q:
The term for the ability to recognize an object through touch is
a. stereognosis. b. agnosia.
c. gnosis. d. none of the above.
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The premotor region is found in the ____________________ lobe.
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Brocas area is found in the ____________________ lobe.
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The ____________________ divides the parietal and frontal lobes.