A researcher begins with a registry of all patients with HIV in the United States. The researcher uses a computer to generate a random sample from the list, and then those individuals agree to participate in a study. What kind of sample has been created?
a. Cluster
b. Convenience
c. Simple random
d. Stratified random
ANS: C
You might also like to view...
A patient is receiving immunosuppressant therapy. Which of the following adverse effects should the patient be educated regarding these effects?
A) Liver failure B) Respiratory depression C) Myocardial infarction D) Serious infection
In caring for a hospitalized eight-year-old child with myelodysplasia, the nurse should remember to: Standard Text: Select all that apply
1. Expect the child to have normal intelligence. 2. Use latex precautions. 3. Allow the child to do her own self-catheterization. 4. Ensure that the child has a low-fiber diet. 5. Encourage the child to shift positions hourly when in her wheelchair.
A parent states, "My 7-year-old really wants a dog. His 10-year-old brother has allergies to animal dander. I don't know what to do." What type of pet should the nurse suggest as the best choice?
a. A small breed of dog because the large dogs produce more allergens b. An older unneutered dog that produces fewer allergens than a younger one c. A cat because it requires less care and is less allergenic d. A poodle, which does not shed, making it a good choice for people with allergies
Patients taking hormonal contraceptives and hormone replacement therapy need to take the drug daily at the same time to prevent:
1. Nausea 2. Breakthrough bleeding 3. Breast tenderness 4. Pregnancy