Which type of lymphocyte directly attacks foreign cells or body cells infected by viruses?
A) T cells
B) NK cells
C) B cells
D) All of the above
A
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The ________ section of the CPT is the largest, divided into 14 subsections by body system
a. Surgery b. Radiology c. Pathology and Laboratory d. Medicine
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The chief component of connective tissues and bones that deteriorates as people age is called:
A. fibrin. B. elastin. C. sebum. D. collagen.
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