Which wave of ECG represents repolarization?

(1) P wave

(2) QRS complex

(3) ST wave

(4) T wave

Subtopic:  ECG & Coronary Artery Disease |
 88%
From NCERT
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The passage of blood from left atrium to body is

(1) left atrium – left ventricle – Aorta – Body

(2) left atrium – right ventricle – Aorta – Body

(3) left atrium – left ventricle – Pulmonary Artery – Body

(4) left atrium – left ventricle – Pulmonary Veins – Body

Subtopic:  Human Heart: Double Circulation |
 81%
From NCERT
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The passage of blood from right atrium to body is

(1) right atrium–right ventricle–pulmonary vein–body

(2) right atrium–right ventricle–pulmonary artery–lung

(3) right atrium– left ventricle–pulmonary vein–body

(4)right atrium–left ventricle–pulmonary artery–lung

Subtopic:  Human Heart: Double Circulation |
 83%
From NCERT
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The pathway of single circulation is

(1) Heart – body – gills – Heart

(2) Heart – gills – body – Heart

(3) Heart – body –gills – body – heart

(4) body – heart – gills – Heart

Subtopic:  Human Heart: Double Circulation |
 66%
From NCERT
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In single circulation, the heart pumps

(1) oxygenated blood

(2) deoxygenated blood

(3) mixed blood

(4) blood–nutrients

Subtopic:  Human Heart: Double Circulation |
 64%
From NCERT
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What does systemic circulation provide to tissue?

(1) nutrient

(2) oxygen

(3) other essential substances

(4) all of these

Subtopic:  Human Heart: Double Circulation |
 91%
From NCERT
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Which of the following order is correct?

(1) Veins – capillaries – arteries

(2) Arteries – arterioles – capillaries – venules – veins

(3) Arterioles – Arteries – capillaries – venules – veins

(4) Arteries – arterioles – venules – capillaries – veins

Subtopic:  Human Heart: Double Circulation |
 77%
From NCERT
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The lumen of artery is _____ than vein.

(1) narrower

(2) wider

(3) same

(4) very much reduced

Subtopic:  Human Heart: Gross Anatomy |
 78%
From NCERT
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The hepatic portal system is

(1) Between digestive tract and hypothalamus

(2) Between digestive tract and liver

(3) Between liver and hypothalamus

(4) Between liver and Pituitary

Subtopic:  Human Heart: Double Circulation |
 92%
From NCERT
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The hepatic portal ________ carries blood from ________ to liver before it is delivered to the ________.

(1) vein, Pancreas, Pulmonary

(2) artery, intestine, systemic

(3) vein, intestine, systemic

(4) artery, Pancreas, Pulmonary

Subtopic:  Human Heart: Double Circulation |
 82%
From NCERT
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