The following statements are true regarding Clostridium perfringens except: A. lt is the commonest cause of gas gangrene B. It is normally present in human faeces C. The
All of the following Vibrio sp. are halophilic, except: A. V. cholerae B. V. parahaemolyticus C. V. alginolyticus D. V. fluvialis Correct answer : A. V. cholerae V.
In the 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
Fibrinoid necrosis may be observed in all of the following, except: A. Malignant hypertension B. Polyarteritis nodosa C. Diabetic glomerulosclerosis D. Aschoff’s nodule Correct answer : C. Diabetic
All of the following vascular changes are observed in acute inflammation, except: A. Vasodilation B. Stasis of blood C. Increased vascular permeability D. Decreased hydrostatic pressure Correct answer
All of the following statements are true regarding reversible cell injury, except: A. Formation of amorphous densities in the mitochondrial matrix B. Diminished generation of adenosine triphosphate (ATP)
Fluoride, used in the collection of blood samples for glucose estimation, inhibits the enzyme: A. Glucokinase B. Hexokinase C. Enolase D. Glucose-6-phosphatase Correct answer : C. Enolase Flouride
Enzymes that move a molecular group from one molecule to another are known as: A. Ligases B. Oxido—reductases C. Transferases D. Dipeptidases Correct answer : C. Transferases Enzyme
The amino acid residue having an imino side chain is: A. Lysine B. Histidine C. Tyrosine D. Proline Correct answer : D. Proline Proline has an imino group
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