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Author Question: A patient has developed Clostridium difficile associated with pseudomembranous colitis. Which of the ... (Read 25 times)

LaDunn

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on: Jul 23, 2018
A patient has developed Clostridium difficile associated with pseudomembranous colitis. Which of the following medications is effective in the treatment of Clostridium difficile?
 
  A) Linezolid (Zyvox)
  B) Cladribine (Leustatin)
  C) Clarithromycin (Biaxin)
  D) Metronidazole (Flagyl)

Question 2

A nurse has poured a hospital patient's scheduled dose of hydrochlorothiazide (HCTZ). The nurse should know that this drug reduces preload by which of the following means?
 
  A) Exerting a direct relaxant effect on the vascular smooth muscle
  B) Increasing renal excretion of sodium and water
  C) Increasing the contractility of myocardial fibers
  D) Stimulating the SA node to fire more frequently


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sultana.d

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Reply #1 on: Jul 23, 2018
Answer to Question 1

D
Feedback:
Metronidazole (Flagyl) is indicated for use in the treatment of Clostridium difficile. Linezolid (Zyvox) is not used to treat C. difficile. Cladribine (Leustatin) is an antineoplastic agent that is not used for C. difficile. Clarithromycin (Biaxin) is not used to treat C. difficile.

Answer to Question 2

B
Feedback:
Hydrochlorothiazide inhibits the reabsorption of sodium and chloride in the distal renal tubule, increasing the excretion of sodium and water by the kidneys. Thiazide diuretics do not relax smooth muscle, increase contractility, or stimulate the SA node.


LaDunn

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Reply 2 on: Jul 23, 2018
Excellent

aliotak

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Reply 3 on: Yesterday
:D TYSM

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