A researcher has calculated a variance of 9 for a data set. What is this data set's standard deviation?
a. 1
b. 3
c. 4
d. 5
ANS: B
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A new nurse is always asking questions, even when there does not seem to be a problem, much to the annoyance of some of the new nurse's co-workers. The nurse manager's best response to this situation is to
a. explain to co-workers this is a characteristic of critical thinking. b. suggest the nurse work more closely with a preceptor. c. talk with the nurse and suggest asking fewer questions. d. tell the staff that all new nurses go through this phase.
A 39-year-old mother of four has a 6-year history of multiple sclerosis. During planning, the nurse remembers this is a degenerative neurological disease that
a. occurs most often in tropical climates. b. occurs most often in the older adult. c. has classic signs and symptoms that are readily recognized. d. results from demyelination of the nerve sheath.
A patient tells the nurse that he's happy that his wife did not "catch" the same cold from which he has recently recovered. The nurse realizes that what most likely occurred in his wife?
1. Helper T cells had a memory of a previous exposure to the same virus that caused the patient's illness. 2. Suppressor T cells killed the virus. 3. The virus was eliminated via phagocytosis by neutrophils. 4. Cytokines were released.
According to Kubler-Ross, the last stage of the grieving process is called:
a. anger resolution c. acceptance b. mood norming d. final peace