T cells, which compromise about 80% of circulating lymphocytes, are the primary cells that provide:
A) antigens
B) plasma cells
C) cell-mediated immunity
D) antibodies
C) cell-mediated immunity
C) T cells comprise approximately 80% of circulating lymphocytes. Cytotoxic T cells directly attack foreign cells or body cells infected by viruses. These lymphocytes are the primary cells that provide cell-mediated immunity.
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Which of the following is NOT a common form of pathogen transmission?
A) Cough B) Sneeze C) Sexual contact D) Organisms shed into the environment
How many E codes can be used with a single diagnosis code?
A. 7 B. 2 C. 1 D. 5 E. As many as necessary
The MOST important reason for health care professionals to develop excellent telephone skills is to: a. increase their chances for promotion
b. work more efficiently. c. project a positive image of their facility. d. impress the public with their professionalism.
________ disease is a condition in which the adrenal glands fail to produce enough corticosteroids.
Fill in the blank(s) with the appropriate word(s).