When gathering a sample for your study, you selected subjects in the general population and categorized them as active and sedentary. Which type of sample do you have?
a. random sample
b. stratified random sample
c. cluster sample
d. none of these
Answer: b. stratified random sample
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The nurse is caring for a patient who is rapidly progressing toward brain death. The nurse should be aware of what cardinal signs of brain death? Select all that apply
A) Absence of pain response B) Apnea C) Coma D) Absence of brain stem reflexes E) Absence of deep tendon reflexes
The 19-year-old pregnant woman begins a job to "save money for the baby." What is the most significant developmental task the nurse understands this statement to demonstrate?
1. Striving for gaining autonomy and independence 2. Completed development of a sense of identity 3. Attainment of a sense of achievement 4. Having developed an intimate relationship
The young mother of a 9-month-old complains to the home health nurse that the partially used jars of baby food she stores in the refrigerator turn to liquid. To clarify the situation, the nurse asks:
a. "Did you heat the food in the jar in the microwave?" b. "What brand of food are you using?" c. "Did you carefully cap the jar?" d. "Did you feed your baby directly from the jar?"
In the United States, the majority of health care dollars are spent on
a. Prescription drugs b. Hospital care c. Physician services d. Public health services