Multiple Choice Questions

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Which one of the following is a matching pair of a certain body feature and its value/count in a normal human adult?

  • Urea- 5 - 10 mg/100 ml of blood

  • Blood sugar (fasting) - 80 - 100 mg/100 ml

  • Total blood volume - 3 - 4 litres

  • ESR in Wintrobe method - 9 -15 mm in males and 20 - 34 mm in females


B.

Blood sugar (fasting) - 80 - 100 mg/100 ml

Normal blood sugar level in adult human varies from 80 - 100 mg/100 ml (fasting) to 100-120 mg/100 ml (after meal).

Normal blood urea is 20 - 40 mg/dl

Total blood volume is 4 - 5 litres

ESR or Erythrocyte Sedimentation Rate in wintrobe method is 0 - 9 mm in male and 0 - 20 mm in female.


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Assertion : Persons suffering from haemophilia fail to produce blood clotting factor VIII.

Reason : Prothrombin producing platelets in such persons are found in very low concentration

  • If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion

  • If both Assertion and Reason are true but the Reason is not the correct explanation of the assertion

  • If Assertion is true but Reason is false

  • If both Assertion and Reason are false


The component of blood which prevents its coagulation in the blood vessels is

  • Haemoglobin

  • Plasma

  • Thrombin

  • Heparin


Thickening of arteries due to cholesterol deposition is

  • arteriosclerosis

  • rheumatic heart

  • blood pressure

  • cardiac arrest


Which one of the following is a matching pair

  • Lubb - Sharp closure of AV valves at the beginning of ventricular systole

  • Dup - Sudden opening of semilunar valves at the beginning of ventricular diastole

  • Pulsation of the radial artery - Valves in the blood vessels

  • Initiation of the heart beat - Purkinje fibres


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In which one of the following pairs the two items mean one and the same thing

  • Malleus - anvil

  • SA node - pacemaker

  • Leucocytes - lymphocytes

  • Haemophilia - blood cancer


Assertion : Smaller the organism higher is the rate of metabolism per gram weight.

Reason : The heart rate of a six month old baby is much lower than that of an old person.

  • If both assertion and reason are true and reason is the correct explanation of assertion

  • If both assertion and reason are true but reason is not the correct explanation of assertion

  • If assertion is true but reason is false

  • If both assertion and reason are false


Assertion : Blood coagulate in uninjured blood vessels.

Reason : Uninjured blood vessels release an anticoagulant heparin.

  • If both assertion and reason are true and reason is the correct explanation of assertion

  • If both assertion and reason are true but reason is not the correct explanation of assertion

  • If assertion is true but reason is false

  • If both assertion and reason are false.


The given figure shows an angiogram of the coronary blood vessel. Which one of the following statements correctly describes, what is being done

  • It is coronary artery which has a cancerous growth that is being removed.

  • It is coronary artery which is blocked by a plaque and the same is being cracked.

  • It is coronary vein in which the defective valves are being opened.

  • It is coronary vein blocked by a parasite (blood fluke) that is being removed.


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Formation of non-functional methaemoglobin causes blue-baby syndrome. This is due to

  • excess of arsenic concentration in drinking water

  • excess of nitrates in drinking water

  • deficiency of iron in food

  • increased methane content in the atmosphere


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