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HESI LPN · HESI LPN Pharmacology · HESI Chapter 11 principles of pharmacology

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Showing all 5 practice questions with expert explanatory rationales.

Question 1 of 5

The following is NOT true?

A. Liver failure following paracetamol toxicity is due to glutathione depletion

B. Piroxicam is given 3 times daily

C. Diclofenac exhibits higher efficacy than ibuprofen & less side effects than indomethacin

D. Sulfinpyrazone may induce peptic ulcer

Correct Answer: Piroxicam is given 3 times daily

Question 2 of 5

The pH value is calculated mathematically as the

A. Log of the hydroxyl ion (OH) concentration

B. Negative log of the OHÃƒÂ¢Ã‚ÂÃ‚Â» concentration

C. Log of the hydrogen ion (HÃƒÂ¢Ã‚ÂÃ‚Âº) concentration

D. Negative log of the HÃƒÂ¢Ã‚ÂÃ‚Âº concentration

Correct Answer: Negative log of the HÃƒÂ¢Ã‚ÂÃ‚Âº concentration

Question 3 of 5

Enzyme inhibitors include

A. Chloramphenicol

B. Ciprofloxacin

C. Erythromycin

D. Ketoconazole

Correct Answer: Ketoconazole

Question 4 of 5

In 'zero-order kinetics', the following is Incorrect

A. Half life (t1/2) of the drug is different at high and low concentration

B. Constant fraction of the drug is eliminated per unit time

C. Steady-state plasma concentration is not achieved

D. Ethanol is a famous example of a drug with zero-order kinetics

Correct Answer: Constant fraction of the drug is eliminated per unit time

Question 5 of 5

A declining growth rate occurs during which of the following phases of bacterial cell growth?

A. Lag phase

B. Exponential phase

C. Stationary phase

D. Death phase

Correct Answer: Stationary phase

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