Which of the following is not true for antibiotics?

Tetracycline is one of the broad spectrum antibiotics which are effective against a large number of harmful micro-organisms.

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Streptomycin is highly effective against microorganisms which cause tuberculosis.

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Penicillin has a narrow spectrum and certain persons are sensitive to it.

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Penicillin may be administered without testing the patients for sensitivity to it.

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Solution

The correct option is D Penicillin may be administered without testing the patients for sensitivity to it.
Penicillin has a narrow spectrum and is effective only against disease caused by various cocci and some gram-positive bacteria. Some people have an allergy to penicillin.

Hence, it is very essential to test the sensitivity of the patient by giving a test dose before giving the full dose.

Therefore, option D is correct.

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Similar questions

Which of the following statements are incorrect about penicillin?
(a) An antibacterial fungus
(b) Arnpicillin is its synthetic modification
(c) It has bacteriostatic effect
(d) It is a broad spectrum antibiotic

Q. Ampicillin and amoxicillin are semisynthetic modifications of penicillin used for penicillin-sensitive patients.

Q. Penicillin G is a broad spectrum antibiotic

Q. Which of the following statements regarding antibiotics is not correct?

i) Antibiotic is the attenuated microorganisms which in small concentrations, can kill or retard the growth of other harmful microorganisms.
ii) Penicillin was the first antibiotic to be discovered by Alexander Fleming (1928) while working on bacterium Staphylococcus aureus.
iii) The full potential of penicillin as an effective antibiotic was established by Ernest Chain and Howard Florey.
iv) Fleming, Chain, and Florey were awarded the Nobel Prize in 1945.

Q. A certain antibiotic X is effective only against a few types of harmful microbes and cells. Which type of antibiotic X is ?.

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