The proportion of persons with a positive test who actually have a disease, interpreted as the possibility that an individual with a positive test has the disease is the:
1. Sensitivity
2. Specificity
3. Positive predictive value
4. Negative predictive value
3
Positive predictive value refers to the proportion of persons with a positive test who actually have the disease, interpreted as the probability that an individual with a positive test has the disease.
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A nurse assesses an older adult client who is experiencing a myocardial infarction. Which clinical manifestation should the nurse expect?
a. Excruciating pain on inspiration b. Left lateral chest wall pain c. Disorientation and confusion d. Numbness and tingling of the arm
The leadership team is reviewing a computer application that will send a text message to the healthcare provider when a laboratory or diagnostic test result is available to review. Which is this application demonstrating?
A) Usability test B) Ergonomic enhancement C) User interface programming D) Information technology-initiated interaction
When the spouse of a client who has had a CVA as a result of a cerebral hemorrhage asks the nurse about the client's chances for recovery, the nurse should base a reply on knowledge that with this type of CVA
a. improvement generally occurs over several days. b. rapid improvement often occurs. c. recovery is slow and less complete. d. there is no way to know for sure.
All of these nursing actions are included in the plan of care for a patient who is malnourished. Which action is appropriate for the RN to delegate to a nursing assistant?
a. Assist the patient in choosing high-nutrition items from the menu. b. Monitor the patient for skin breakdown over the bony prominences. c. Assess the patient's strength while ambulating the patient in the room. d. Offer the patient the ordered nutritional supplement between meals.