A high count of which of the white blood cells shown in the figure may indicate cancer or hypothyroidism?
a) A
b) B
c) C
d) D
e) E
c
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A child pounding on the keys of a piano makes a cacophony of unrecognizable noise, whereas a trained pianist reproduces a Mozart sonata. The portion of the brain that controls and coordinates the movements necessary to play the piano is the
A. cerebellum. B. corpus callosum. C. medulla oblongata. D. thalamus. E. diencephalon.
A defense cell engulfing a bacterium illustrates
A) pinocytosis. B) receptor-mediated exocytosis. C) exocytosis. D) phagocytosis. E) receptor-mediated endocytosis.
Which of the following is generally accepted as a secondary sex characteristic?
A) The vagina B) The prostate gland C) The enlargement of the breasts D) The uterus E) The presence of testes
The epithelial tissue root sheath is the ________ layer of the concentric layers making up the hair follicle wall; it derives from the ________.
A. outer; epidermis B. outer; dermis C. inner; epidermis D. inner; dermis