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.

Group A carbohydrate of Str. pyogenes cross reacts with human_________________?

A Synovial fluid

B Myocardium

C Cardiac valves

D Vascular intima

Review Detailed Answer

Correct Answer: Cardiac valves

The most frequently encountered clostridial species in gas gangrene is______________?

A Clostridium botulinum

B Clostridium welchii

C Clostridium tetani

D Clostridium difficile

Review Detailed Answer

Correct Answer: Clostridium welchii

In small intestine, cholera toxin acts by______________?

A ADP – ribosylation of the G regulatory protein

B Inhibition of adenyl cyclase

C Activation of GTPase

D Active absorption of NaCI

Review Detailed Answer

Correct Answer: ADP – ribosylation of the G regulatory protein

Phospholipid used to investigate syphilis by the reagin test is________________?

A Cardiolipin

B Plasminogen

C Palmityl lecithin

D Serine

Review Detailed Answer

Correct Answer: Cardiolipin

Staphylococcal food poisoning includes the following features_______________?

A Incubation period of 24 hours

B Requires immediate antibiotics

C Common with dairy products

D Heat labile enterotoxin

Review Detailed Answer

Correct Answer: Common with dairy products

Fimbriae are demonstrated by ___________________?

A Culture

B Gram stain

C Biochemical reaction

D Haemagglutination test

Review Detailed Answer

Correct Answer: Haemagglutination test

The mechanism of genetic transfer where a phage serves as a vehicle is_______________?

A Transduction

B Translation

C Lysogeny

D Conjugation

Review Detailed Answer

Correct Answer: Lysogeny

cAMP reaction is shown by which streptococci ?

A Group A

B Group B

C Group C

D Group D

Review Detailed Answer

Correct Answer: Group B

Cough plate method is used to identify________________?

A Y. pestis

B Pertussis

C Mycoplasma

D M-Tuberculosis

Review Detailed Answer

Correct Answer: Pertussis

Test for differentiating virulent form non-virulent tubercular bacilli_____________?

A Aryl sulphatase test

B Niacin test

C Neutral red test

D Catalase peroxidase test

Review Detailed Answer

Correct Answer: Neutral red test

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Medical Science Mcqs 5254 MCQs [All-Courses]

All Topics 5254

All Topics 5254

Group A carbohydrate of Str. pyogenes cross reacts with human_________________?

The most frequently encountered clostridial species in gas gangrene is______________?

In small intestine, cholera toxin acts by______________?

Phospholipid used to investigate syphilis by the reagin test is________________?

Staphylococcal food poisoning includes the following features_______________?

Fimbriae are demonstrated by ___________________?

The mechanism of genetic transfer where a phage serves as a vehicle is_______________?

cAMP reaction is shown by which streptococci ?

Cough plate method is used to identify________________?

Test for differentiating virulent form non-virulent tubercular bacilli_____________?