Why are children given vaccinations?
a. in order to see whether the immune system is capable of defense against disease
b. so that they will develop antibodies against various diseases
c. so that they will develop a mild case of a disease in order to prevent a more serious case of the disease later on
d. in order to activate the cell-mediated defense against pathogens
Answer: b. so that they will develop antibodies against various diseases
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Which are not tonsils?
A. Palatoglossal tonsils B. Adenoids C. Lingual tonsils D. Palatine tonsils E. Pharyngeal tonsils
What occurs at the respiratory membrane?
A. Gas exchange between the blood and tissues takes place. B. Gas exchange between the air and blood takes place. C. Mucus removes debris. D. Macrophages accumulate to remove debris.
What type of feedback loop does the process of mineral deposition use?
A. Negative-feedback mechanism B. Neutral-feedback mechanism C. Inhibitory-feedback mechanism D. Positive-feedback mechanism
Which of these are NOT part of the afferent division of the nervous system?
ventral roots ascending tracts of white matter dorsal roots cranial nerves I, II, and V