When conducting a research study using a convenience sample of all first grade students from two classrooms in a nearby school, the nurse researcher may increase the sample control by
a. assigning one classroom to the experimental group and the other classroom to the control group.
b. exposing all subjects to the treatment variable and then comparing the outcome data to pretreatment data.
c. randomly assigning students from both classrooms to either the experimental group or the control group.
d. using all of these subjects as treatment subjects and comparing outcomes to a group of subjects from a similar study.
ANS: C
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Home health care is becoming one of the largest practice areas for nurses. What has contributed to this change?
A) Chronic nursing shortage B) Focus on treatment of disease C) Nurses prefer working during the day instead of evening or night shifts D) More critically ill patients being discharged to home from the hospital
When performing an intradermal injection, the nurse instills a small amount of substance into the dermis and the injection is not aspirated. One of the uses of this technique is screening for:
a. diabetes. b. tuberculosis. c. hepatitis. d. meningitis.
Chewing and swallowing difficulties in older adults increase the risk of
a. vomiting. b. hiatal hernia. c. food asphyxiation. d. gastroesophageal reflux.
On the 3rd day postpartum, a patient who is not breastfeeding experiences engorgement. To relieve her discomfort, the nurse should encourage the patient to:
1. Remove her bra. 2. Apply heat to the breasts. 3. Apply cold packs to the breasts. 4. Use a breast pump to release the milk.