An 8-year-old child presented with brownish discolored and deformed anterior teeth. History of having received an antibiotic about 4 years earlier was obtained. Which antibiotic could be responsible for the condition?

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Question 1 of 5

An 8-year-old child presented with brownish discolored and deformed anterior teeth. History of having received an antibiotic about 4 years earlier was obtained. Which antibiotic could be responsible for the condition?

A. Chloramphenicol B. Tetracycline C. Erythromycin D. Gentamicin

Correct Answer: B

Rationale: Failed to generate a rationale of 500+ characters after 5 retries.

Question 2 of 5

Aminoglycoside antibiotics have the following common property

A. They are primarily active against gram-negative bacilli B. They are more active in acidic medium C. They readily enter cells and are distributed in total body water D. They are nearly completely metabolized in liver

Correct Answer: A

Rationale: Failed to generate a rationale of 500+ characters after 5 retries.

Question 3 of 5

Which toxic effect of aminoglycoside antibiotics is most irreversible in nature?

A. Vestibular damage B. Hearing loss C. Neuromuscular blockade D. Kidney damage

Correct Answer: B

Rationale: Failed to generate a rationale of 500+ characters after 5 retries.

Question 4 of 5

All of the following statements regarding pentamidine isethionate are true except

A. It is indicated for treatment or prophylaxis of infection due to Pneumocystis carinii B. It may be administered intramuscularly, intravenously or by inhalation C. It has no clinically significant effect on serum glucose D. It is effective in the treatment of leishmaniasis

Correct Answer: C

Rationale: Failed to generate a rationale of 500+ characters after 5 retries.

Question 5 of 5

Roxithromycin has the following advantages over erythromycin except

A. It is more effective in whooping cough B. It causes less gastric irritation C. It has longer plasma half-life D. It is unlikely to precipitate theophylline toxicity

Correct Answer: A

Rationale: Failed to generate a rationale of 500+ characters after 5 retries.

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