(Latest 2024/ 2025 Updates STUDY BUNDLE PACKAGE
WITH SOLUTIONS) Anatomy and Physiology II | Qs &
As| 100% Correct| Grade A (Verified Answers)
The time that an action potential begins until the normal resting membrane
potential has returned is called the ___________.
propagation period
refractory period
threshold period
passive period - ANSWERrefractory period
_________ are neurotransmitter-containing, pearl-like structures on sympathetic
ganglionic neuron telodendrion.
RAS
terminal buds
varicosities
mesenteries - ANSWERvaricosities
Which is NOT a type of cell located in the retina?
bipolar cells
ganglion cells
hair cells
amacrine cells - ANSWERhair cells
If you completely dry the surface of your tongue and then place salt or sugar on it,
you can't taste the substance. Why not?
the substance wouldn't be able to reach the vallate papillae
taste receptors in taste buds are sensitive only to molecules and ions that are in
solution
you will still be able to taste the substance even though the tongue is dry
the dry tongue will propagate negative feedback to the gustatory cortex -
ANSWERtaste receptors in taste buds are sensitive only to molecules and ions that
are in solution
Amphetamines stimulate the secretion of which neurotransmitter?
epinephrine
glutamate
serotonin
dopamine - ANSWERdopamine
, The sea horse-shaped hippocampus is responsible for which action?
interpretation of auditory signals
storage of long-term memories
complex speech patterns
release of melatonin to induce sleep - ANSWERstorage of long-term memories
Which of the following structures is not part of the middle ear?
cochlea
auditory ossicles
tympanic cavity
tympanic membrane - ANSWERcochlea
Rods and cones are photoreceptors. Where is the highest concentration of cones
found in the eye?
fovea centralis
optic disc
cornea
sclera - ANSWERfovea centralis
The macula of the utricle contains hair cells that are covered by a gelatinous
membrane. The membrane's surface is covered with calcium carbonate crystals that
play an important role in equilibrium. What are they called?
otoliths
choleliths
photoliths
calculi - ANSWERotoliths
Which of the following would NOT occur if you took a drug that substantially
increases the amount of serotonin released in the brain?
all answers are correct
heightened auditory perception
hallucinations
heightened visual perception - ANSWERall answers are correct
Primary taste sensations are salty, sweet, sour, and bitter. There are two other
sensations that are less widely known. What are they?
water and umami
umami and acrid
yeasty and alkali
acrid and alkali - ANSWERwater and umami