Which of the following is true of nitroglycerin ointment?
A. It is applied topically to an area of the chest and absorption occurs through the skin.
B. It is used sublingually to relieve intense pain during attacks of angina.
C. It has an onset of action of about 2 to 5 minutes.
D. It has a duration of action of about 1 to 2 hours.
Answer: A
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Which type of sampling will get the largest number of subjects in the shortest period of time?
a. Cluster sampling b. Convenience sampling c. Network or snowball sampling d. Random sampling
A nursing instructor is explaining safety issues for preschoolers and school-age children. The instructor realizes that a student requires additional instruction when the student begins focusing on
1. Playground safety. 2. Choking prevention. 3. Stranger danger. 4. Water safety.
When assessing the conclusions, findings, and implications of a study, the appraiser will
a. determine whether alternate hypotheses are possible. b. ensure that results are not based on past research. c. identify that findings are specific to the sample population. d. refute the study if limitations are identified.
The nurse's focus when providing preconception care is to help the couple:
A) take folic acid in appropriate amounts for two weeks prior to conception. B) identify their pregnancy risk and prepare for conception. C) avoid all use of alcohol prior to conception. D) consume more natural foods prior to conception.