Which statement is true about systematic sampling?
a. A nonrandom starting point is used when selecting subjects.
b. It can be used when the desired sample size is unknown.
c. It provides a random chance for inclusion as a subject.
d. Subjects have an equal chance for inclusion in the study.
ANS: C
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The nurse is working with a nursing assistant to care for several postoperative patients. Which interventions can the nurse delegate to the assistant for completion? (Select all that apply.)
a. Assess patients' comfort levels and need for pain medication. b. Empty urinary catheter bags and record urine output. c. Teach patients how to use incentive spirometers hourly. d. Provide ice chips and juice to patients who are no longer NPO. e. Monitor incisions for signs of infection. f. Applying TED hose and assisting with oral care.
A patient diagnosed with scabies asks the nurse how he "caught" the disorder. What information should be provided to the patient?
1. The disorder is transmitted by contact with infected persons or their possessions. 2. The disorder is transmitted by the feces of infected animals. 3. Scabies is a bacterial infection transmitted by direct contact with infected persons. 4. Scabies is a fungal infection transmitted by contact with infected respiratory secretions.
Dietary calcium needs of pregnant women are
a. higher than for nonpregnant women to form the fetal skeleton. b. higher than for nonpregnant women be-cause intestinal absorption decreases. c. the same as for nonpregnant women be-cause intestinal absorption increases. d. lower than for nonpregnant women be-cause calcium metabolism is more effi-cient.
The caregiver of a 2-year-old child is upset because the polyurethane resin cast on the child's arm is itchy. Which should the nurse respond to the caregiver?
A) "Since the child's cast is synthetic soak it with cool water." B) "Use a plastic ruler to gently massage the skin." C) "Nothing should be put into the cast. You can blow cool air into it with a hair dryer." D) "Give the child an extra dose of acetaminophen and see if that helps."