Medical Science Mcqs 5254 MCQs [All-Courses]

Medical Science is the study of human health, diseases, prevention, and treatment, focusing on diagnosis, patient care, and medical research to improve healthcare outcomes.

The bacterial resistance to tetracycline is due to___________?

A Alteration of drug binding sites

B Alteration of dehydrofolate reductase

C Inactivation of drug by enzymes

D Decreased uptake of drug by bacteria

Review Detailed Answer

Correct Answer: Inactivation of drug by enzymes

Mechanism of action of quinolones is______________?

A Inhibits DNA gyrase

B Inhibits Bacterial protein synthesis

C Inhibits bacterial cell wall synthesis

D Inhibits intake of folic acid

Review Detailed Answer

Correct Answer: Inhibits DNA gyrase

Tetracycline is contraindicated in_____________?

A Children

B Pregnancy

C Renal failure

D All of the above

Review Detailed Answer

Correct Answer: All of the above

The antibiotic of choice in patients sensitive to penicillin is___________?

A Erythromycin

B Streptomycin

C Tetracycline

D Chloramphenicol

Review Detailed Answer

Correct Answer: Erythromycin

Chloramphenicol can cause_____________?

A Staining of teeth

B Aplastic anaemia

C Bone marrow suppression

D B & C

Review Detailed Answer

Correct Answer: B & C

The therapeutic advantage that pencillin V has over pencillin G is____________?

A More reliable oral obsorption

B Greater resistance to pencillinase

C Slower renal excretion

D Broader antibacterial spectrum

Review Detailed Answer

Correct Answer: More reliable oral obsorption

Which of the following is primarily a bactericidal drug?

A Chloramphenicol

B Gentamicin

C Sulphadiazine

D Tetracycline

Review Detailed Answer

Correct Answer: Gentamicin

The most common side effect of the oral administration of ampicillin is_______________?

A Anaphylactic shock

B Diarrhoea

C Oral candidiasis

D Renal failure

Review Detailed Answer

Correct Answer: Diarrhoea

Indirect sympathomimetics can_______________?

A Penetrate the blood brain barrier

B Cause euphoria

C Both of the above

D None of the above

Review Detailed Answer

Correct Answer: Both of the above

The principle therapeutic action of the glucocorticoid is________________?

A Antidiuretic

B Antianabolic

C Anti-infective

D Anti-inflammatory

Review Detailed Answer

Correct Answer: Anti-inflammatory

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Medical Science Mcqs 5254 MCQs [All-Courses]

All Topics 5254

All Topics 5254

The bacterial resistance to tetracycline is due to___________?

Mechanism of action of quinolones is______________?

Tetracycline is contraindicated in_____________?

The antibiotic of choice in patients sensitive to penicillin is___________?

Chloramphenicol can cause_____________?

The therapeutic advantage that pencillin V has over pencillin G is____________?

Which of the following is primarily a bactericidal drug?

The most common side effect of the oral administration of ampicillin is_______________?

Indirect sympathomimetics can_______________?

The principle therapeutic action of the glucocorticoid is________________?