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UNT A&P 2301 CHAPTER 15 REVIEW EXAM QUESTIONS AND ANSWERS 100 % PASS SOLUTION A+ GRADE
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UNT A&P 2301 CHAPTER 15 REVIEW EXAM QUESTIONS AND ANSWERS 100 % PASS SOLUTION A+ GRADE
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UNT A&P 2301 CHAPTER 15 REVIEW EXAM 2024-2025QUESTIONS AND ANSWERS 100 % PASS SOLUTION A+ GRADE
Which of the following is/are a part of the external ear?
A) semicircular canals
B) tympanic cavity
C) auditory ossicles
D) auricle - answer=D) auricle
Place the following events in the order in which they occur during sound transmission.
1. Tympanic membrane vibrates.
2. Internal ear fluids are set in motion.
3. Hearing receptors are stimulated.
4. Ossicles of the ear vibrate.
5. Auditory cortex is stimulated.
A) 1, 4, 2, 3, 5
B) 2, 1, 5, 3, 4
C) 1, 2, 4, 3, 5
D) 5, 1, 2, 4, 3 - answer=A) 1, 4, 2, 3, 5
Which of the following is true of static equilibrium receptors?
A) static equilibrium receptors are found in the semicircular canals of the ear
B) static equilibrium receptors can respond to rotational forces
C) static equilibrium receptors monitor the position of the head
D) static equilibrium receptors are called cristae ampullares - answer=C) static equilibrium
receptors monitor the position of the head
Which of the following is a role of the vitreous humor?
A) it supports the posterior surface of the lens
,B) it supplies nutrients to the lens of the eye
C) it carries away the metabolic waste of retinal cells
D) it supplies oxygen to the cornea - answer=A) it supports the posterior surface of the lens
Information from the balance receptors goes directly to the cerebral cortex.
A) true
B) false - answer=B) false
As we age, __________________
A) the lens of the eye becomes increasingly elastic
B) the clarity of the lens of the eye remains unchanged
C) the number of cochlear hair cells in the ear changes
D) the ability to detect high-pitched sounds diminishes - answer=D) the ability to detect high-
pitched sounds diminishes
There are three layers of neurons in the retina. The axons of which of these neuron layers
form the optic nerves?
A) bipolar cells
B) ganglion cells
C) cone cells
D) rod cells - answer=B) ganglion cells
The first ʺway stationʺ in the visual pathway from the eye, after there has been partial
crossover of the fibers in the optic chiasma, is the _____________
A) superior colliculi
B) lateral geniculate body of the thalamus
C) visual cortex
D) temporal lobe - answer=B) lateral geniculate body of the thalamus
, As sound levels increase in the spiral organ (of Corti), _____________
A) outer hair cells stiffen the basilar membrane
B) outer hair cells bend the cilia away from the kinocilium
C) inner hair cells stiffen the basilar membrane
D) inner hair cells bend the cilia away from the kinocilium - answer=A) outer hair cells stiffen
the basilar membrane
Which of the following is true about gustatory receptors?
A) in order for a chemical to be sensed, it must be hydrophobic
B) the receptors generate an action potential in response to chemical stimuli
C) complete adaptation occurs in about one to five minutes
D) all gustatory receptors have the same threshold for activation - answer=C) complete
adaptation occurs in about one to five minutes
Taste buds are not found _____________
A) in fungiform papillae
B) in filiform papillae
C) in circumvallate papillae
D) lining the buccal cavity - answer=B) in filiform papillae
Select the correct statement about olfaction
A) olfactory receptors have a high degree of specificity toward a single type of chemical
B) some of the sensation of olfaction is actually one of pain
C) substances must be volatile and hydrophobic in order to activate olfactory receptors
D) lfactory adaptation is only due to fading of receptor cell response - answer=B) some of the
sensation of olfaction is actually one of pain
Photoreceptors ____________________
A) replicate to replace damaged cells, in order to maintain normal vision
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