Investigators interested in the effects of nutrition on wound healing randomly assigned patients recovering from burn injuries to two groups. One group received protein supplements and the second group did not. The random assignment was used to:
A. eliminate the systematic influence of any other variable.
B. provide a control for earlier nutritional status.
C. make the groups equal in terms of the dependent variable.
D. obtain groups equal in number.
ANS: A
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What should the nurse keep in mind when determining the relationship between pain and sleep in an older patient?
A) Nonpharmacologic measures to control pain and enhance sleep are preferable to analgesics. B) Analgesic drugs should be administered to older adults to prevent potential episodes of pain. C) Older adults are more sensitive to pain than younger adults, and more at risk of having pain interfere with sleep. D) The availability of alternative forms of pain control such as massage and diversion means that pharmacologic pain medications are inappropriate and unnecessary.
The nurse is critiquing a research study that involves subjects undergoing chemotherapy for breast cancer
Which finding would meet a criterion for inferring causality between performance of exercise and adaptive behavior of the subjects receiving chemotherapy? a. Adaptive behavior began before the exercise program was initiated. b. Adaptive behavior occurred in the control group over time. c. The level of adaptive behavior increased in direct proportion to an increase in the intensity of the exercise. d. No difference in adaptive behavior was observed between subjects in the experimental group and subjects in the control group.
Zaccaro et. al. in 2004 analyzed several studies about
a. Masculinity and leadership b. Self-confidence and leadership c. Intelligence and leadership d. Sociability and leadership
A pt asks the nurse how insulin injection site rotation should be accomplished. What is the nurse's best response?
a. "rotation within one site is preferred to avoid changes in insulin absorption" b. "change rotation sites after a week or two to avoid lipohypertrophy" c. "rotation from site to site each day is best for the best insulin absorption" d. "always rotate insulin injection sites within 4-5 inches from the umbilicus"