Chamberlain University-Illinois
BIOS 252
Chamberlain University Exam 3 A&P II
(Senses, hormones, glands…) Questions and
Answers 2026 Latest Update
Define adaptation Ans: the ability to no longer percieve sensations due to
prolonged exposure
Describe the optic disc Ans: raised disc on the retina at the point of entry of
the optic nerve, lacking visual receptors and creating a blind spot
What is the function of the cochlea? Ans: -sense of hearing
-participates in the process of auditory transduction
What is the function of the semicircular canals? Ans: fluid filled tubes in the
inner ear that help you keep your balance
List all structures found on the tongue Ans: -circumvallate papillae
-fungiform papillae
-foliate papillae
-filiform papillae
-sulcus terminalis
What is the function of the frontal lobe? Ans: -skeletal muscle movement
-emotions
-smell
-Broca's area for speech production
-motor
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What is the function of the parietal lobe? Ans: -primary somatosensory
center
-taste
-sensory
What is the function of the temporal lobe? Ans: -hearing
-Wernickes speech comprehension
What is the function of the occipital lobe? Ans: vision
What is the function of the lens? Ans: -focus light on retina
-creates clear images of observed objects at various distances
List all hormones secreted by the thyroid gland Ans: -T3 (triiodothyronine)
-T4 (tetraiodothyronine)
-calcitonin
What is the function of the T3 (triiodothyronine) and T4 (tetraiodothyronine)
thyroid hormone? Ans: -increases basal metabolic rate
-can induce lipolysis or lipid synthesis
-stimulates the metabolism of carbohydrates
-anabolism of proteins (catabolism of proteins in high doses)
-permissive effect on catecholamines
-growth hormone to stimulate bone growth
-can affect mood in adults
-during prenatal period, it's needed for maturation of the brain
-affects fertility, ovulation, and menstruation
What is the function of calcitonin? Ans: -increases calcium storage in bone
-decreases blood calcium levels
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