A study is investigating the rate of immunization at a community-based clinic. Selection bias is most likely to be present in which of the following samples?
A) Random sample of clients accessing an urgent care clinic
B) Random sample of records of school clinic vaccination rates
C) Convenience sample of mothers who bring children to clinic for vaccinations
D) Convenience sample of high school students who have received required vaccinations
C
Feedback:
Random sampling mitigates the possibility of selection bias. A convenience sample of mothers who opt for vaccination may be a population that is significantly different from the larger population.
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Which of the following factors has the greatest impact on body temperature regulation?
A) Newborns are homeothermic. B) Normal temperature of children under 3 years old is 99°F. C) Normal temperature of adults is 98.6°F. D) Older adults have decreased thermoregulation.
During transitions from parenteral or enteral tube feedings to oral feedings, patients should be monitored to make sure that
a. they do not develop hypoglycemia. b. total nutritional intake is adequate. c. their weight does not increase rapidly. d. they do not experience nausea and vomit-ing.
The nurse counsels a patient who is discontinuing baclofen. An important component of patient education is that abrupt discontinuation may cause:
1. weakness. 2. fatigue. 3. seizures. 4. respiratory depression.
The parents of a neonate with adrenogenital hyperplasia tell the nurse that they are afraid to have any more children. The nurse should explain which statement about adrenogenital hyperplasia?
a. It is not hereditary. b. Genetic counseling is indicated. c. It can be prevented during pregnancy. d. All future children will have the disorder.