A nurse researcher should be particularly concerned about having a small sample size for which reason?

a. There is increased risk of obtaining a nonrepresentative sample.
b. There is increased risk of a study subject interacting with another study subject.
c. There is increased potential for loss of confidentiality.
d. There is increased regression toward the mean.


ANS: A

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A Small sample sizes tend to increase the risk of a sample being nonrepresentative.
B Study subject interaction can occur, whatever the sample size.
C Confidentiality loss can affect large or small samples.
D Regression toward the mean is not generated by sample size.

Nursing

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A perioperative nurse is caring for a postoperative patient. The patient has a shallow respiratory pattern and is reluctant to cough or to begin mobilizing. The nurse should address the patient's increased risk for what complication?

A) Acute respiratory distress syndrome (ARDS) B) Atelectasis C) Aspiration D) Pulmonary embolism

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The nurse's research focuses on how a person defends himself or herself from daily stressors. Which theorist's work would likely be fundamental to this researcher's work?

1. Roy. 2. Neuman. 3. Rogers. 4. Orem.

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An instructor explains that chronic illness is characterized by periods of either minimal symptoms or a complete absence of symptoms. A nurse explains to a chronically ill patient that his or her absence of symptoms is known as ____________________

Fill in the blank with correct word.

Nursing

LG, age 58 years, has a chief complaint of diffuse, crampy abdominal pain, which has progressed to a severity scale of 7 of 10 . He is afebrile and denies nausea, vomiting and diarrhea

Family history is positive for intestinal polyps, diabetes mellitus, and Alzheimer disease. His past medical history is positive for kidney stones, gastroesophageal reflux disease, and hypercholesterolemia. The physical examination is positive for guarding and tenderness in the epigastric region but is otherwise normal. In an effort to confirm your hypothesis, you should schedule a(n): a. electrocardiogram, because you think he has referred cardiac pain. b. colonoscopy, because you think he has diverticulitis. c. flat and erect abdominal x-ray study, be-cause you think he has a perforated peptic ulcer. d. glucose tolerance test, because you think he has diabetes-related gastroparesis.

Nursing