When a student asks in which region of the neuron do nerve impulses travel the fastest, how should the nurse respond? The:
a. large axon.
b. axon hillock.
c. cell body.
d. dendrites.
ANS: A
Large axons transmit impulses at a faster rate than cell bodies. The axon hillock has a low thresh-old level. The dendrites carry impulses toward the cell body, but not as quickly as large axons.
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The nurse is reviewing the anatomy and physiologic functioning of the heart. Which statement best describes what is meant by atrial kick?
a. The atria contract during systole and attempt to push against closed valves. b. Contraction of the atria at the beginning of diastole can be felt as a palpitation. c. Atrial kick is the pressure exerted against the atria as the ventricles contract during systole. d. The atria contract toward the end of diastole and push the remaining blood into the ventricles.
The nurse educator is teaching a group of teens and 20-year-olds reproductive health care. When several of the women bring up douching, the best remark the nurse could make is:
1. "One should always douche after having intercourse.". 2. "When douching, use the prepared products, as one can use force putting them in and get the solution up high.". 3. "It is a good idea to douche before intercourse so the area is clean for the sperm.". 4. "Douching is unnecessary because the lining of the vagina has numerous glands that provide natural cleansing.".
The parents of a school-age child are concerned about the child learning right from wrong. In which order should the nurse instruct the parents of a school-age child that moral development will develop in their child?
1. Punishment and obedience 2. Law-and-order orientation 3. Instrumental-relativist orientation 4. "Good boy–nice girl" stage
The nurse is preparing a client who is undergoing a cardiac catheterization to check for congenital heart defects. Which of the following accurately describes a nursing consideration for this procedure?
A) State that the procedure will be painful, but pain medication will be given, as needed. B) Warn the client that a "fluttering" may be felt in the heart as the catheter passes. C) Tell the client that a general anesthetic will be given during the procedure. D) Check the client's peripheral pulses every 30 minutes for an hour after the test.