Cytotoxic T-lymphocytes that have killed a foreign cell may transform into
A. memory B-lymphocytes.
B. natural killer cells.
C. plasma cells.
D. helper T-lymphocytes.
E. None of the choices is correct.
E
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Single-unit smooth muscle and cardiac muscle are both self-excitable
Indicate whether the statement is true or false
Several lymphatic organs, including the thymus, ____________ , and lymph nodes, have roles in defending the body against pathogens.
Fill in the blank(s) with the appropriate word(s).
What does structure "D" represent on the bone diagram?
A. epiphysis B. articular cartilage C. epiphyseal lines D. diaphysis E. cancellous bone
Concerning the exchange between blood and interstitial fluid at systemic capillaries,
A. more fluid is absorbed and reabsorbed than is filtered. B. more fluid is filtered than reabsorbed. C. the fluid reabsorbed into the capillary exactly matches the amount filtered by the capillary.