If a researcher finds that there are many missing values for one of the variables, the decision to delete the cases with the missing data may affect the _____________ of a small study
A) Validity
B) Generalizability
C) Power
D) Analysis
C
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Listening for bowel sounds should be done over all four quadrants of the abdomen using the diaphragm of the stethoscope. The normal rate of bowel sounds per minute is:
a. 2-10. b. 3-20. c. 4-32. d. 5-40.
A 57-year-old man with Escherichia coli O157:H7 food poisoning is admitted to the hospital with bloody diarrhea and dehydration. Which order will the nurse question?
a. Infuse lactated Ringer's solution at 250 mL/hr. b. Monitor blood urea nitrogen and creatinine daily. c. Administer loperamide (Imodium) after each stool. d. Provide a clear liquid diet and progress diet as tolerated.
If a group wanted to investigate why there was a high death rate related to chronic obstructive pulmonary disease in their community, how could information be obtained?
1. Consulting the Bureau of Statistics 2. Surveying citizens by going door-to-door 3. Looking at Morbidity and Morality Weekly Report 4. Gathering data from health care providers at the health department.
The nurse is caring for a patient in the initial hours after having surgery to manage an enlarged prostate. The patient's postoperative care includes continuous bladder irrigation
Which statement indicates the patient understands the nurse's teaching? a. "I will be discharged home in about 6 hours." b. "My urine will likely be a dark tea color as a result of the blood it contains." c. "I will need to have my bladder irrigated for the first 2 to 3 days." d. "I should report any bladder spasm imme-diately because it may indicate a serious complication."