Which of the following cells has a flagellum?
A. A cell lining the respiratory tract
B. A cell lining the uterine tube
C. A spermatozoon
D. A cell specialized for absorption, such as an epithelial cell of the small intestine
E. A neuron
Answer: C
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In a taste bud, which cell produces a receptor potential?
A. Basal cells B. Sensory nerve fibers C. Supporting cells D. Taste cells E. Taste hairs
Which skin markings usually disappear during childhood?
A. Nevi B. Cavernous hemangiomas C. Pili D. Friction ridges E. Capillary hemangiomas
When hormones interact they can produce any of the following kinds of effects except
A) antagonistic. B) synergistic. C) permissive. D) integrative. E) apoptosis.
Laryngitis occurs when the larynx becomes irritated and inflamed from an infection, acid reflux, or strenuous use of the vocal cords. Which of the following symptoms would you directly associate with having laryngitis, considering the structures affected?
A. Runny nose B. Loss of voice or a quiet, raspy voice C. Swollen tongue D. Chest pain