A study in which subjects are assigned by the researcher into experimental and control groups increases
a. bias.
b. control.
c. manipulation
d. validity.
ANS: A
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The nurse is engaging in therapeutic communication with a client. This type of communication:
a. requires touching the client. b. requires special training to learn how to talk to clients. c. is purposeful and goal-directed. d. is often open-ended, vague, and without boundaries.
After insertion of the needle into the patient's ventrogluteal muscle, the nurse aspirates and notices a very small amount of blood in the syringe. What action should the nurse take?
a. Inject the medication slowly but smoothly. b. Withdraw the needle, expel the blood from the syringe, reinsert the needle, and inject the medication. c. Withdraw the needle, change the needle, insert the needle, and inject the medication. d. Withdraw the needle, dispose of the medication and syringe, and prepare another dose of medication.
In assessing the roles and power structure of a client's nuclear family, the nurse should specifi-cally ask the client:
1. "Who decides where to go on vacation?" 2. "What type of health care insurance do you have?" 3. "How many family members currently live in your home?" 4. "What types of social activities do you and your family enjoy?"
In the ANS, neurons that emerge from the central nervous system form the ________.
A. autonomic ganglion B. neuroglia C. preganglionic nerve fiber D. postganglionic nerve fiber