The nurse differentiates the humoral response from the cell-mediated response. Which statement about cell-mediated response is true?
a. The sensitized lymphocytes attack the cell for which they were sensitized.
b. Cells produce new antibodies.
c. The response does not occur until the white blood cell (WBC) count rises.
d. There is a systemic response of fever and malaise.
A
Cell-mediated response occurs when the specifically antigen-sensitized T lymphocytes attack whole cells, infectious organisms, and nonliving matter such as pollen and dust.
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Which explanation correctly describes a negative feedback mechanism for the secretion of a hormone?
a. The effect of the hormone reverses the initial stimulus. b. The hormone has negative or decreasing effects on its target organ. c. The effect of the hormone increases the initial stimulus. d. The hormone stops a particular response by its target organ.
The nurse is planning care for a client with multiple lower extremity fractures sustained from a motor vehicle crash. Which is an appropriate client goal for the nurse to include in the plan of care?
A) Have an adequate urine output. B) Regain mobility. C) Participate in self-care activities. D) Discharge to home.
When adding or subtracting decimals, the decimal points
A. are aligned. B. should not be taken into consideration. C. are moved to the right in both numbers. D. are moved to the right in the smallest number.
External factors that may help prevent depression do not include
a. Medications b. Exercise c. Sunlight d. Proper nutrition