Considering the effects of nutritional deficiencies on the immune system, severe deficits in calories and protein lead to deficiencies in the formation of which immune cells?
a. B cells
b. T cells
c. Natural killer cells
d. Neutrophils
Ans: b. T cells
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The nurse is providing health education on the body's ability to exchange oxygen and carbon dioxide through the alveolar capillary membrane. Which statement, provided by the nurse, is most correct when asked about diffusion during inspiration?
A) During inspiration, the concentration of oxygen is equal in both the alveoli and the capillaries. B) During inspiration, oxygen diffuses from the arterial system through to the alveolar capillary membrane. C) During inspiration, carbon dioxide provides the basis for all diffusion gradients. D) During inspiration, oxygen is greater in the alveoli than in the capillaries.
The fetus of a pregnant patient is in a breech presentation. Where will the nurse auscultate fetal heart sounds?
A) Low in the abdomen B) Left lateral abdomen C) High in the abdomen D) Right lateral abdomen
In cirrhosis of the liver, liver cells
a. decrease in number and increase in size. b. are displaced by growth of tumors. c. become disconnected because of break-down of connective tissue. d. are replaced by accumulations of fibrous connective tissue and fat.
What is an advantage of centralized staffing?
A) It is flexible B) It is staff focused C) It is cost-effective D) It is consistent and impartial