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Medical Mcqs/MCQs

Medical Mcqs – MCQs

80 questions. Click to practice.

1Biochemistry
2Dental Materials
3General Anatomy Mcqs
4Microbiology
5Oral Anatomy
6Oral Histology
7Oral Pathology and Medicine
8Pathology
9Pharmacology
10Physiology Mcqs

Show Answers

Correct options are highlighted when revealed.

1.What is the primary function of Heparin in the blood clotting process?

Inhibits the production of prothrombinBlocks the formation of fibrinogenStops the transformation of fibrinogen into fibrinPrevents the conversion of prothrombin into thrombinNo effect on blood coagulation

2.Which of the following is classified as an oral hypoglycemic medication?

WarfarinInsulinGlibenclamideGlucagonNone of the above

3.Which of the following statements about tolbutamide is incorrect?

It is administered by mouthIt is prescribed for type 1 diabetes mellitusIt can induce adverse reactions when combined with alcoholIt stimulates insulin secretion from the pancreasNone of the above

4.Which of the following symptoms is NOT typically seen during morphine withdrawal?

Constriction of pupils (miosis)Frequent yawningExcessive tearing (lacrimation)Increased bowel movements (diarrhea)none of the above

5.Which of the following statements about warfarin is incorrect?

Warfarin can cause a temporary increase in clotting tendency.It is generally avoided during pregnancy due to the risk of fetal skeletal abnormalities.Within its racemic mixture, the R-enantiomer is four times more potent than the S-enantiomer.The anticoagulant effects typically become evident only after 72 hours of starting therapy.None of the above.

6.Which of the following does NOT enhance the anticoagulant effect of Warfarin?

PhenylbutazoneVitamin KRifampicinBoth Vitamin K and RifampicinNone of the above

7.What type of medication is Triflusal classified as?

Anti-inflammatory agentAntibacterial medicationDrug used for arthritis treatmentPlatelet aggregation inhibitorNone of the above

8.Which of the following agents or drugs are used to promote rapid blood clotting?

AstringentsStypticsHaemostatic agentsAll the above optionsNone of these

9.Ephedrine, tyramine, and amphetamine belong to which class of drugs?

Agents that inhibit cholinesterase enzymesBlockers of alpha-adrenergic receptorsSympathomimetics that act indirectlySympathomimetics that act directlyNone of the above

10.Scopolamine is primarily used to treat which of the following conditions?

High blood pressureNausea caused by motionReduction of bodily secretionsBoth nausea from motion and reduction of secretionsNone of the above

11.Which of the following is a short-acting non-depolarizing muscle relaxant?

SuccinylcholinePancuroniumMivacuriumDecamethoniumNone of the above

12.How does succinylcholine help in preventing bronchospasm?

By causing a depolarizing neuromuscular blockadeThrough direct relaxation of bronchial musclesBy inducing muscle relaxation via central nervous system effectsBy exhibiting a combination of multiple mechanismsNone of the above

13.What type of agent is Felypressin classified as?

A substance that widens blood vesselsAn agent that causes blood vessels to narrowA drug used to manage psychotic disordersA medication that prevents blood clottingNone of the above

14.Which of the following is NOT commonly recognized as a significant adverse drug reaction?

Severe reduction in white blood cells (Agranulocytosis)Failure of bone marrow to produce blood cells (Aplastic anemia)Destruction of red blood cells (Hemolysis)Development of leukemiaNone of the above

15.Which medication should be avoided in patients with hemophilia due to its effect on blood clotting?

Acetylsalicylic acidPenicillinEpsilon-aminocaproic acidPhenytoinNone of the above

16.Identify the muscle relaxant that primarily works on the peripheral nervous system:

ChlorzoxazoneMethocarbamolSuccinylcholineCortisoprodolNone of the above

17.Which receptor type is stimulated by acetylcholine and inhibited by atropine?

Nicotinic receptorMuscarinic receptorAlpha adrenergic receptor subtype 1 and 2Beta adrenergic receptor subtype 1 and 2None of the above

18.Which neuromuscular blocking drug has an onset of action that occurs in under 2 minutes?

D-tubocurarineSuccinylcholinePancuronium bromideGallamine triethiodideNone of the above

19.Succinylcholine is classified as which of the following?

An intravenous anesthetic drugA muscle relaxant that does not cause depolarizationA rapidly acting opioid analgesicNone of the listed optionsNot applicable

20.Which of the following statements about metformin is NOT correct?

It suppresses mitochondrial cellular respirationIt is eliminated from the body via urine without metabolic changeIt decreases glucose synthesis in the liverIt is recommended for patients with severe heart failureNone of the above

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