Body fluids and circulation NEET MCQ

 11. If one litre of blood is drawn out of 5 litres

from the body of man, how much blood would be left by the next day ?

A. 5 L

B. 4.5 L

C. 4 L

D. 3 L

Answer: A

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12. Ringer solution contains.

A. Lodine and salt

B. Acetic acid and wax

C. sodium and potassium ions

D. water and acid fuchsine

Answer: C

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13. Which of the following has a neurogenic

heart?

A. Cockroach

B. Octopus

C. Frog

D. Both(1)and(2)

Answer: A

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14. Which layer of the heart is responsible for

differential thickness of different chambers?

A. Epicardium

B. Myocardium

C. Endocardium

D. Pericardium

Answer: B

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15. The two aurticles are demarcated extrenally from the ventricle by an irregular groove called

A. Inter-auricular septum

B. Inter-ventricular septum

C. Coronary sulcus

D. Inter-ventricular groove

Answer: C

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16. Which of following pulmonary bypasses are present in the cirulatory system before birth?

A. Foramen ovale

B. Ductus arteriosus

C. Conus arteriosus

D. Both (1) and (2)

Answer: D

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17. The opening of superior vena cava is guarded by

A. Semilunar valves

B. Columnae carnae

C. Principal septum

D. None of these

Answer: D

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18. The opening of pulmonary vein is without

valve because

A. It is a very small aperture

B. It has low blood pressure

C. Its opening is oblique

D. None of these

Answer: C

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19. The aperture between right auricle and

ventricles called

A. Semilunar valves

B. Tricuspid valves

C. Bicuspid valve

D. Valve of inferior vena cava

Answer: B

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20. Chordae tendinae in the heart are found in

A. Ventricle

B. Left auricle

C. Right auricle

D. None of these

Answer: A

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