The primary mechanism of action of arterial dilators such as hydralazine involves:
A. the inhibition of angiotensin II.
B. an increase in afterload.
C. the formation of nitric oxide.
D. an increase in systemic blood pressure.
Answer: C
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Malaria is caused by a:
a. bacterium. b. virus. c. protozoan. d. fungus.
A 76-year-old patient with obstipation has a fecal impaction and is incontinent of liquid stool. Which action should the nurse take first?
a. Administer bulk-forming laxatives. b. Assist the patient to sit on the toilet. c. Manually remove the impacted stool. d. Increase the patient's oral fluid intake.
Which nursing action is correct when performing the straight-leg raising test for an ambulatory patient with back pain?
a. Raise the patient's legs to a 60-degree angle from the bed. b. Place the patient initially in the prone position on the exam table. c. Have the patient dangle both legs over the edge of the exam table. d. Instruct the patient to elevate the legs and tense the abdominal muscles.
Order: cefadroxil (Duricef) 0.4 g, PO, q12h Available: How many mL will be given per dose?
What will be an ideal response?