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HESI RN · HESI Pharmacology · Chapter 12 principles of pharmacology

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Showing all 5 practice questions with expert explanatory rationales.

Question 1 of 5

Triple anti- H-pylori therapy may include all the following drugs except:

A. Ranitidine

B. Lansoprazole

C. Famotidine

D. Clarithromycin

Correct Answer: Famotidine

Question 2 of 5

All the following characteristics are shared by flumazenil and naloxone Except:

A. Have shorter t1/2 than their respective agonists.

B. Given orally.

C. Given in anesthesia to reverse CNS depression of their agonists.

D. Specific respiratory stimulants in benzodiazepine or opioid toxicity.

Correct Answer: Given orally.

Question 3 of 5

In which organ is the majority of cytochrome P450s most highly expressed?

A. Brain

B. Liver

C. Lung

D. Kidney

Correct Answer: Liver

Question 4 of 5

Which equation is true for a zero-order reaction rate of drug ?

A. d/dt=-k

B. tÃƒÂ¢Ã¢â‚¬Å¡Ã‚ÂÃƒÂ¢Ã¢â‚¬Å¡Ã¢â‚¬Å¡=0.693/k

C. A=AÃƒÂ¢Ã¢â‚¬Å¡Ã¢â€šÂ¬eÃƒÂ¢Ã‚ÂÃ‚Â»ÃƒÂ¡Ã‚ÂµÃ‚Â

D. None listed

Correct Answer: d/dt=-k

Question 5 of 5

Which of the following is a phase II drug-metabolizing reaction?

A. Acetylation

B. Deamination

C. Hydrolysis

D. Oxidation

Correct Answer: Acetylation

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