BIOS 242 Final Exam 2 QUESTIONS AND
VERIFIED CORRECT ANSWERS
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A generator potential would be produced by ALL of the following EXCEPT: - CORRECT ANSWER-
e. taste buds.
ALL of the following would be sensed by mechanoreceptors EXCEPT: - CORRECT ANSWER-e.
light.
During a maintained, constant stimulus, a generator potential or a receptor potential decreases
in amplitude in a phenomenon known as: - CORRECT ANSWER-a. adaptation.
Intrafusal muscle fibers contract when stimulated by: - CORRECT ANSWER-c. gamma motor
neurons.
Third-order sensory neurons in the posterior column-medial lemniscus pathway extend from
the: - CORRECT ANSWER-e. thalamus to the somatosensory area of the cerebral cortex.
The cell bodies of first-order neurons in the posterior column-medial lemniscus pathway to the
cortex are located in the: - CORRECT ANSWER-a. posterior root ganglia of spinal nerves.
, The reason visceral pain is referred to surface structures is that: - CORRECT ANSWER-e. sensory
neurons for both visceral pain and surface structures enter the same segment of the spinal cord,
and surface sensations are better localized by the brain.
The stage of deep sleep dominated by delta waves on an EEG, and during which events such as
bed-wetting and sleepwalking occur is: - CORRECT ANSWER-e. Stage 4 NREM sleep.
The sites of olfactory transduction are the olfactory hairs, which are: - CORRECT ANSWER-a. cilia
projecting from the dendrites of first-order neurons.
The retina is held in place by the: - CORRECT ANSWER-b. vitreous body
The auditory (Eustachian) tube connects the: - CORRECT ANSWER-c. middle ear and
nasopharynx.
The primary gustatory area of the cerebrum is in the: - CORRECT ANSWER-a. parietal lobe.
Olfactory sensations reach the brain via: - CORRECT ANSWER-a. cranial nerve I.
The curved, avascular, transparent, fibrous coat covering the iris is the: - CORRECT ANSWER-a.
cornea.
The function of the ciliary processes is to: - CORRECT ANSWER-c. produce aqueous humor.
Which of the following occurs when dim light stimulates the eye? - CORRECT ANSWER-e.
Sympathetic fibers stimulate contraction of the radial muscles of the iris to increase pupil
diameter.
VERIFIED CORRECT ANSWERS
GRADED A+ [LATEST 2026-2027] 100%
GUARANTEED PASS
A generator potential would be produced by ALL of the following EXCEPT: - CORRECT ANSWER-
e. taste buds.
ALL of the following would be sensed by mechanoreceptors EXCEPT: - CORRECT ANSWER-e.
light.
During a maintained, constant stimulus, a generator potential or a receptor potential decreases
in amplitude in a phenomenon known as: - CORRECT ANSWER-a. adaptation.
Intrafusal muscle fibers contract when stimulated by: - CORRECT ANSWER-c. gamma motor
neurons.
Third-order sensory neurons in the posterior column-medial lemniscus pathway extend from
the: - CORRECT ANSWER-e. thalamus to the somatosensory area of the cerebral cortex.
The cell bodies of first-order neurons in the posterior column-medial lemniscus pathway to the
cortex are located in the: - CORRECT ANSWER-a. posterior root ganglia of spinal nerves.
, The reason visceral pain is referred to surface structures is that: - CORRECT ANSWER-e. sensory
neurons for both visceral pain and surface structures enter the same segment of the spinal cord,
and surface sensations are better localized by the brain.
The stage of deep sleep dominated by delta waves on an EEG, and during which events such as
bed-wetting and sleepwalking occur is: - CORRECT ANSWER-e. Stage 4 NREM sleep.
The sites of olfactory transduction are the olfactory hairs, which are: - CORRECT ANSWER-a. cilia
projecting from the dendrites of first-order neurons.
The retina is held in place by the: - CORRECT ANSWER-b. vitreous body
The auditory (Eustachian) tube connects the: - CORRECT ANSWER-c. middle ear and
nasopharynx.
The primary gustatory area of the cerebrum is in the: - CORRECT ANSWER-a. parietal lobe.
Olfactory sensations reach the brain via: - CORRECT ANSWER-a. cranial nerve I.
The curved, avascular, transparent, fibrous coat covering the iris is the: - CORRECT ANSWER-a.
cornea.
The function of the ciliary processes is to: - CORRECT ANSWER-c. produce aqueous humor.
Which of the following occurs when dim light stimulates the eye? - CORRECT ANSWER-e.
Sympathetic fibers stimulate contraction of the radial muscles of the iris to increase pupil
diameter.
