The typical medical treatment of polycythemia vera involves
a. transfusion of packed cells.
b. therapeutic phlebotomy.
c. cryoprecipitate infusion.
d. appendectomy.
B
Repeated phlebotomy decreases blood viscosity.
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The nurse is preparing to assess Phalen's sign. Which of the following would the nurse identify as indicative of a positive indicator for this sign?
A) Percussion of the median nerve causes tingling and numbness. B) Wrist flexion for 30 seconds causes pain and numbness. C) Electrical stimulation shows a delay in motor responses. D) Shaking hands causes a reduction in the pain.
Research is reported in which the t-test is used to make multiple comparisons within the groups established for the study. Which of the following statements would someone reading the research correctly include in a critique of the study?
a. "The researcher did not appear to know how to make correct use of the t-test." b. "The t-test is the correct statistic to use when making comparisons between groups." c. "There is concern over a Type II error caused by the multiple use of t-tests." d. "With no mention of the Bonferroni procedure, it is difficult to judge the levels of significance."
Which of the following assessment findings would lead the nurse to suspect that a newborn is experiencing an abnormal transition to extrauterine life?
A) Periodic breathing with pauses B) Bluish color of hands and feet C) Irregular chest wall movement D) Heart rate around 100 beats per minute
The nurse is helping a client with diminished sight to remain as independent in his home as possible. Which does the nurse include in client teaching to improve home safety for the client?
a. Turn on a light before he or she walks into a dark room. b. Clean the top of the stove twice daily. c. Post emergency numbers on the front of the refrigerator. d. Have furniture rearranged while he or she is napping.