Jugular venous pulsations consist of two or three waves called the "a," "c", and "v" waves. The "a" wave is produced by which of the following?
a. contraction of the right atrium c. contraction of the right ventricle
b. contraction of the left atrium d. contraction of the left ventricle
A
The "a" wave is produced by contraction of the right atrium, and it reflects the backflow of blood into the vena cava as the right atrium ejects blood into the right ventricle.
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The percentage of the population that is 85 years of age and older who have some stage of Alzheimer's disease is _____%
a. 10 b. 20 c. 35 d. 50
A 25-year-old primigravida client is in the first stage of labor. She and her husband have been holding hands and breathing together through each contraction. Suddenly, the client pushes her husband's hand away and shouts,
"Don't touch me!" This behavior is most likely: a. abnormal labor. b. a sign that she needs analgesia. c. normal and related to hyperventilation. d. common during the transition phase of labor.
When obtaining a health history, the nurse recognizes that an older adult patient has a risk factor for colorectal cancer when he reports
a. that he is a vegetarian who eats soy prod-ucts. b. that he often needs laxatives for constipa-tion. c. a history of inflammatory bowel disease. d. that diarrhea occurs at least monthly.
A patient, who has intermittent claudication, has been taking 400 mg of pentoxifylline (Trental) three times daily with meals for 2 weeks
The patient calls the clinic and reports mild flushing, occasional gastrointestinal upset, and continued pain in both legs. How will the nurse advise the patient? a. "Expect side effects to diminish as drug effects increase in several weeks." b. "Notify the provider of the continued pain and request increasing the dose." c. "Take a daily aspirin tablet to enhance the effects of pentoxifylline." d. "Take the medication 1 hour before or 2 hours after a meal."