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BIOS 256 EXAM 2 (Latest 2024 / 2025) Questions and Answers (Verified Answers)
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BIOS 256 EXAM 2 (Latest 2024 / 2025) Questions and Answers (Verified Answers)
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BIOS 256 EXAM 2 (Latest ) Questions andAnswers (Verified Answers)
the neuroglia forming the myelin sheath around neuron fibers in the peripheral nervous system are
schwann cells
depolarization means
the inside of the cell gets more positive
the resting membrane potential is characterized by
high potassium and protein inside the cell and high sodium and calcium outside the cell
if you were to administer a drug that blocked the activity of the sodium/potassium ATPase pump,
what effect would you expect that to have on the cell's ability to absorb glucose (which is absorbed by
sodium cotransport?)
decreased glucose transport into the cell
during the relative refactor period, a neuron may respond to a
larger stimulus than the original
salatory conduction is made possible by
the myelin sheath
the substance released at axonal endings to propagate a excitatory posthypnotic impulse is called a(n)
neurotransmitter
the period after an initial stimulus when a neuron is not sensitive to another stimulus is the
refectory period
the neurotransmitter utilized at the neuromuscular junction is
acetylcholine
a neural circuit with input traveling along several pathways for integrating by several CNS systems and
providing several response is a
parallel processing circuit
which irregular rhythmic brain waves are observed when you are awake and alert
beta
, REM sleep is associated with
temporary skeletal muscle paralysis, except for the extrinsic eye muscles
the process of linking new facts with old facts already stored in the memory bank is called
association
which part of the nervous system controls survival emotions and behavior
the limbic system
which is true about functional MRI (fMRI)
it detects oxygen use by determining the ratio of oxyhemoglobin to deoxyhemoglobin
in contrast to the somatic nervous system, the autonomic nervous system
has two efferent neurons
the site of origin of the preganglionic fibers of the parasympathetic nervous system is the
brain stem and the sacral region of the spinal cord
all preganglionic axons of the autonomic nervous system release
...
which provides vasomotor tone
sympathetic nervous system
feeling a gentle caress on your arm would likely involve all of the following except
pacinian corpuscles
which type of receptors fire at a constant rate when stimulus is present and stop when stimulus is
removed
tonic
which skin receptors detect pain
nociceptors
when a skins area's two-point threshold is large, that skin has
low sensory acuity
which kind of papilla does not contain taste buds
filiform
sweet tastes are converted to nerve impulses by
a G protein gustaducin transducing sensation
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