Prostaglandins and Eicosanoids Practice Questions

Question 1

Which of the following is not a definite use for Prostaglandin E2 (PGE2)?

Accepted Answer

Keeps patency of PDA

Answer

Induces labour

Answer

Contraception

Answer

Therapeutic abortion

Question 2

What is an atypical side effect of montelukast?

Accepted Answer

Churg-Strauss syndrome

Answer

Goodpasture syndrome

Answer

Membranous glomerulonephritis

Answer

Bronchial asthma

Question 3

Zileuton is:-

Accepted Answer

5-Lipoxygenase inhibitor

Answer

Phospholipase inhibitor

Answer

Leukotriene receptor antagonist

Answer

Cyclooxygenase inhibitor

Question 4

Chemotaxis is mediated by-

Accepted Answer

Leukotriene B4 and C5a

Answer

Histamine

Answer

Leukotriene C4 and C3a

Answer

Bradykinin

Question 5

Which of the following is the MOST accurate statement regarding thromboxane A2?

Accepted Answer

Prothrombogenic

Answer

Formed by platelets

Answer

Formed from PGG2/PGH2

Answer

Vasoconstrictor

Question 6

Mechanism of action of aspirin in pain relief is:

Accepted Answer

Inhibits COX enzymes

Answer

Enhances opioid action

Answer

Activates serotonin receptors

Answer

Blocks NMDA receptors

Question 7

Which organ does not utilise ketone bodies?

Accepted Answer

Liver

Answer

Brain

Answer

Skeletal muscles

Answer

Cardiac muscles

Question 8

Reverse cholesterol transport is mediated by which lipoprotein?

Accepted Answer

HDL

Answer

VLDL

Answer

LDL

Answer

IDL

Question 9

Lipid is required in the average diet because it:

Accepted Answer

provides essential fatty acids

Answer

has a high caloric value

Answer

aids in absorption of carbohydrates

Answer

is necessary for storage of carbohydrates

Question 10

What is the concentration of the reagent used for determining the Reichert-Meissl number?

Accepted Answer

0.1 N KOH

Answer

0.5 N KOH

Answer

0.1 N NaOH

Answer

0.5 N NaOH

Prostaglandins and Eicosanoids — MCQs

Prostaglandins and Eicosanoids — MCQs

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