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Double Circulation

Which of the ...

Question

Which of the following represent correct blood flow pathway in pulmonary circulation?

A

Right Ventricle

A o r t a - --- \to

Lung

P u l m o n a r y V e i n - ------------ \to

Left Atrium

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B

P u l m o n a r y V e i n - ------------ \to

Left Atrium

⟶

Lung

P u l m o n a r y V e i n - ------------ \to

Left Atrium

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C

Right Ventricle

P u l m o n a r y V e i n - ------------ \to

Lung

P u l m o n a r y a r t e r y - -------------- \to

Left Atrium

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D

P u l m o n a r y V e i n - ------------ \to

Right Atrium Lung

P u l m o n a r y V e i n - ------------ \to

Right Atrium

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Solution

The correct option is A Right Ventricle $A o r t a - --- \to$ Lung $P u l m o n a r y V e i n - ------------ \to$ Left Atrium

The human heart is four-chambered divided into two atrium and two ventricles. Blood follows in the direction as shown in the above figure.
So, the correct option is 'Right Ventricle $A o r t a - --- \to$ Lung $P u l m o n a r y V e i n - ------------ \to$ Left Atrium'.

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Q. Assertion :Pulmonary circulation consists of flow of deoxygenated blood from right ventricle to the lungs and flow of oxygenated blood from lungs to the left atrium. Reason: Systemic circulation consists of flow of oxygenated blood from the left ventricle to all parts of the body and deoxygenated blood from different parts to right atrium.

Q. Which of the following statement(s) wrong with regard to heart?
A. Left atrium receives deoxygenated blood from different parts of the body while right atrium receives deoxygenated blood from the lungs.
B. Right atrium receives deoxygenated blood from different body parts while right ventricle pumps deoxygenated blood to the lungs.
C. Left atrium receives oxygenated blood from lungs while left ventricle pumps oxygenated blood to different parts of the body.
D. Pulmonary vein carries deoxygenated blood to the lungs and pulmonary artery brings oxygenated blood towards the heart.

Q. Which of the following statement (s) is (are) true about heart?
(i) Left atrium receives oxygenated blood from different parts of the body while right atrium receives deoxygenated blood from lungs.
(ii) Left ventricle pumps oxygenated blood to different body parts while right ventricle pumps deoxygenated blood to lungs.
(iii) Left atrium transfers oxygenated blood to right ventricle which sends it to different parts of the body.
(iv) Right atrium receives deoxygenated blood from different parts of the body while left ventricle pumps oxygenated blood to different parts of the body.

Q. Match the following chambers of the heart with the respective blood vessels:

	Column A		Column B
$1.$	Right atrium	$a .$	Pulmonary vein
$2.$	Left atrium	$b .$	Aorta
$3.$	Right ventricle	$c .$	Superior vena cava
$4.$	Left ventricle	$d .$	Pulmonary artery

Q. Assertion :Left atrium has the thickest muscles. Reason: Left atrium receives blood from the lungs.

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