A patient who has received a prescription for orlistat (Xenical) for weight loss asks the nurse how the drug works. The nurse will tell the patient that orlistat works by:
a. altering how the body stores energy.
b. reducing the body's absorption of fats.
c. increasing the body's metabolic rate.
d. suppressing the appetite.
ANS: B
Orlistat works by altering the absorption of fats. It does not affect how energy is stored, the metabolic rate, or the appetite.
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A patient taking a vasodilator complains of dizziness when getting out of bed to go to the bathroom. The nurse should advise the patient to do which of the following to try to prevent or-thostatic hypotension?
a. Drink two glasses of water just prior to changing positions to get out of bed or stand up to walk. b. Avoid abrupt position changes by slowly moving into another position. c. Ask for the bedpan to avoid having to get out of bed. d. Rapidly transition to the sitting position in the bed and then dangle the feet to improve circulation prior to walking to the bathroom.
To ensure student success and engagement, faculty members should:
a. make evaluative comments in the discussion forum as to the quality of each student's post so they can improve. b. administer multiple choice tests to measure students' progress in learning the concepts. c. provide timely feedback to students using a grading rubric through the grading center. d. use their discretion as to the amount and frequency of their feedback to the students.
Which hormone does not induce its action through cAMP activity?
A. Norepinephrine B. Glucagon C. Calcitonin D. Testosterone
How do angiotensin-converting enzyme (ACE) inhibitors, such as enalapril (Vasotec), work to reduce HF? Select all that apply. ACE inhibitors:
a. prevent the conversion of angiotensin I to angiotensin II. b. cause systemic vasodilation. c. promote the excretion of sodium and water in the renal tubules. d. reduce preload and afterload. e. increase cardiac contractility. f. block sympathetic nervous system stimulation to the heart.