The proportion of persons with positive test results who actually have a disease, interpreted as the probability that an individual with a positive test result has the disease, is the:
a. Sensitivity
b. Specificity
c. Positive predictive value
d. Negative predictive value
C
Positive predictive value refers to the proportion of persons with positive test results who actually have the disease, interpreted as the probability that an individual with a positive test result has the disease.
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A patient calls the nurse to report the smell of cigarette smoke in the bathroom. The event which triggers this communication process is referred to as the:
a. channel. b. referent. c. message. d. feedback.
Haloperidol is recommended as useful treatment of _____
a. anxiety c. delirium b. dyspnea d. pain
As a nurse manager, you observe a staff nurse who over the past few weeks has become withdrawn and has had several absences due to minor ailments. Your best action would be to:
a. Ask the nurse if she is okay during report. b. Refer the nurse to the employee assistance program. c. Ask the nurse to meet with you for a few minutes before she leaves for the day. d. Write a note to the nurse advising her that her work attendance must improve.
A nonstress test is an assessment test based on which phenomenon?
A) Braxton-Hicks contractions cause fetal heart-rate alterations. B) Fetal heart rate slows in response to a uterine contraction. C) Fetal movement causes an increase in maternal heart rate. D) Fetal heart sounds increase in connection with fetal movement.