The nurse is reviewing the immune system prior to discussing the actions with a patient. What type of cell should the nurse identify that is involved in cell-mediated immunity and has a cytotoxic action on tumor cells?
a. Lysosomes
b. Memory cells
c. Natural killer cells
d. Histocompatibility cells
____
ANS: C
Cytotoxic, or killer, T cells (CD8) are able to lyse cells such as cancer cells. A. B. D. These cells do not have a cytotoxic action on tumor cells.
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The parents of a 7-year-old boy who has just been diagnosed with allergic asthma are being taught about their son's medication regimen by the nurse
The nurse is currently teaching the parent's about the appropriate use of a "rescue drug" for acute exacerbations of their son's asthma. What drug should the nurse suggests the parents to use in these situations? A) Theophylline B) Albuterol C) Beclomethasone D) Acetylcysteine
Family members of a client newly diagnosed with paranoid schizophrenia state that they do not
understand what caused the client's illness. The nurse's response should be predicated on the a. neurobiological-genetic model. b. stress model. c. family theory model. d. developmental model.
A newborn infant weighing 8 lb (3632 g) needs naloxone (Narcan). This infant should receive approximately _____ mg
a. 0.36 b. 3.6 c. 0.03 d. 0.3
Children with autism usually:
a. Have tantrums for no apparent reason b. Respond to their names c. Respond to touch and cuddling d. Talk earlier than other children