Muscles known as the pharyngeal constrictors function in
A) mastication.
B) moving the tongue.
C) swallowing.
D) esophageal peristalsis.
E) opening the cardiac sphincter.
C
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All of the following are true of the primary response of humoral immunity except that
A) it depends on antigen triggering the appropriate B cell. B) it requires B cell differentiation into plasma cells. C) it depends on memory B cells. D) circulating antibodies undergo a gradual, sustained rise. E) it peaks 1 to 2 weeks after the initial exposure.
Which of the following is greater?
A) blood pressure when the peripheral vessels constrict B) blood pressure when the peripheral vessels dilate
Lymphocytes provide an adaptive or specific defense known as
a) lymphocytic response b) immune response c) inflammation of tissues d) adaptive defense e) phagocytic response
Which of the following does not put women at risk for hypocalcemia?
A. Lack of exposure to UV radiation B. Removal of the parathyroid glands C. Lactation D. Pregnancy E. Removal of the thyroid gland