Select a drug used in the treatment of primary hyperaldosteronism that may cause hyperkalemia:
- A. Acetazolamide
- B. Mannitol
- C. Torsemide
- D. Spironolactone
Correct Answer: D
Rationale: Spironolactone, an aldosterone antagonist, causes potassium retention.
You may also like to solve these questions
A 20-year-old boy suffered from a moderate aspirin toxicity he may be managed by promoting its renal excretion when infused with:
- A. Ascorbid acid
- B. Ammonium chloride
- C. Arginine chloride
- D. Sodium bicarbonate
Correct Answer: D
Rationale: Sodium bicarbonate alkalinizes urine, enhancing aspirin (a weak acid) excretion.
The nurse is explaining how medications work to a group of peers and explains that disruption of a single step in any enzyme system disrupts what?
- A. Cell life
- B. Cell membrane
- C. Cell receptor sites
- D. Cell function
Correct Answer: D
Rationale: If a single step in one of the many enzyme systems is blocked, normal cell function is disrupted. Cell life and cell membrane may be impacted by disruption of some enzymes but not all enzymes. Receptor sites would not be disrupted by disruption in a single step in the enzyme system.
A nurse's learning goals for the year include reviewing the most up-to-date information about emergency preparedness related to bioterrorism agents. What should the nurse do?
- A. Read textbooks devoted to the topic
- B. Review best practices around triage and emergency care
- C. Read journal articles about bioterrorism agents
- D. Visit the Centers for Disease Control and Prevention (CDC) Web site
Correct Answer: D
Rationale: The CDC website provides the most current, authoritative bioterrorism preparedness information.
Angiotensin-converting enzyme inhibitors are the drug of choice in treating hypertension in diabetic patients because they:
- A. Improve insulin sensitivity
- B. Improve renal hemodynamics
- C. Reduce the production of angiotensin II
- D. All of the above
Correct Answer: D
Rationale: ACE inhibitors benefit diabetics by enhancing insulin sensitivity, protecting kidneys, and blocking angiotensin II.
Which of the following is an advantage of sublingual administration?
- A. Rapid absorption
- B. Convenient
- C. Avoid harsh GI environment
- D. Avoid first pass-metabolism
Correct Answer: D
Rationale: Sublingual administration offers rapid absorption , convenience , avoids the GI tract , and bypasses first-pass metabolism ; all are true, but D is a key pharmacological advantage.