________ are a type of lymphocyte whose purpose is to destroy substances foreign to the body by puncturing invaded body cells and killing the cells and the foreign substances.
A. B cells
B. Suppressor T cells
C. Phagocytes
D. T cells
Answer: D
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What suffix means "an abnormal reduction in number"?
A) -philia B) -crit C) -penia D) -emia
Rosetta has seizures that are characterized by an abrupt loss of consciousness, falling, with extension of trunk and extremities, followed by alternating contractions and relaxation of the muscles. These are classified as ____
A) absence B) tonic-clonic C) psychomotor D) atypical
Most risk factors for coronary heart disease (CHD) are reversible and preventable
Indicate whether the statement is true or false
One characteristic of a skin lesion that may be a melanoma is a
A. solid brown color. B. diameter greater than that of a pencil eraser. C. clearly defined, smooth border. D. symmetrical shape.