What is the first step in dividing two fractions?
a. Ensuring both numbers are proper fractions
b. Converting the numerators into their lowest common number
c. Converting the denominators into their lowest common number
d. Inverting the second fraction and multiplying the numerators separately from the denominators
ANS: D
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Which of the following statements best captures an aspect of the role of hormones in the body?
A) Some chemical substances can function as hormones or be integrated with the central and peripheral nervous systems. B) Hormones directly initiate many of the processes that contribute to homeostasis. C) Control of body processes is ensured by the fact that a single hormone can only exert one effect on one specific system or tissue. D) Each hormone that exists in the body is produced by only one specific endocrine gland.
A client with Guillain-Barré syndrome is undergoing plasmapheresis. If a shunt is used for vascular access with plasmapheresis, which of the following parameters assures the nurse that the shunt is patent?
A. Palpable distal pulses B. A pink, warm extremity C. The presence of a bruit D. A shunt pressure higher than 25 mm Hg
Which of the following statements accurately describe cultural factors that may influence healthcare? Select all that apply
A) Nurses and patients generally agree upon the health practices that are being instituted. B) Certain racial and ethnic groups are more prone to developing specific diseases and conditions. C) Although pain affects people differently, most people react to pain in the same manner. D) Most mental health norms are based on research and observations made of white, middle-class people. E) In many cultures, the man is the dominant figure and generally makes decisions for all family members. F) When people move to the United States, they may speak their own language fluently but have difficulty speaking English.
Which action will the researcher take to improve construct validity?
a. Allow data collectors to know which subjects are assigned to which groups b. Ensure that operational definitions reflect theoretical constructs c. Make sure that the researcher is involved in data collection d. Utilize only one measurement method to measure study variables