Body Fluids and Circulation Test

Question 1
4 / -1

Heart pumps blood more forcefully in older persons than younger ones due to

A
Decrease in oxygen content of blood

B
Decrease in elasticity of arteries

C
Fall in nutrient content of blood

D
Increase in elasticity of arteries

Question 2
4 / -1

Read the following statements and select the correct option.
Statement 1: The SA node acts as pacemaker.
Statement 2: The SA node is located in the wall of the right atrium near the inter-atrial septum.

A
Both Assertion and Reason are correct and Reason is the correct explanation for Assertion.

B
Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion.

C
Assertion is correct but Reason is incorrect.

D
Both Assertion and Reason are incorrect.

Question 3
4 / -1

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

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

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

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

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

Question 4
4 / -1

Find the incorrect answer from the following?

A
Veins are typically larger in diameter than arteries

B
Because of their small size,capillaries contain blood that is moving more quickly than in other parts of the circulatory system

C
The walls of arteries are elastic,enabling them to stretch and shrink during changes in blood pressure

D
Veins contain more blood than any other part of the circulatory system

Question 5
4 / -1

Read the following statements and select the correct ones.
(i) Nodal tissue is specialised cardiac musculature in human heart which has the ability to generate action potential due to an external stimuli
(ii) Position of SAN - right corner of right atrium
(iii) Position of AVN - right corner of ventricle
(iv) AV bundle continues from AVN
(v) Purkinje fibres are modified cardiac muscle fibres that originate from the atrioventricular node and spread into the two ventricles.

A
(i) and (ii)

B
(i) and (iii)

C
(ii), (iv) and (v)

D
all of these

Question 6
4 / -1

In the above diagram, which blood vessel represents vena cava?

A
C

B
D

C
A

D
B

Question 7
4 / -1

The given figure illustrates a section through the human heart.

Which labelled part represents the site for the generation of action potential in human heart?

A
A

B
B

C
C

D
D

Question 8
4 / -1

Pacemaker is situated in heart

A
In the wall of right atrium

B
On interauricular septum

C
On interventricular septum

D
In the wall of left atrium

Question 9
4 / -1

In which one of the following pairs, two terms represent the same thing?

A
Lymphocyte - leucocyte

B
Plasma - serum

C
Mitral valve - bicuspid valve

D
Atrioventricular node - pacemaker

Question 10
4 / -1

In veins, valves are present to check backward flow of blood flowing at:

A
Atmospheric pressure

B
High pressure

C
Low pressure

D
All of the above

Question 11
4 / -1

Rate of heart beat is determined by

A
Purkinje fibres

B
Papillary muscles

C
SA node

D
AV node

Question 12
4 / -1

Chordae tendineae are found in

A
ventricles of heart

B
joints of legs

C
ventricles of brain

D
atria of heart

Question 13
4 / -1

Which of the following chambers of the heart has the thickest muscular wall?

A
Left atrium

B
Right atrium

C
Right ventricle

D
Left ventricle

Question 14
4 / -1

All veins carry deoxygenated blood except

A
Pulmonary vein

B
Hepatic vein

C
Hepatic portal vein

D
Renal vein

Question 15
4 / -1

Carotid artery supplies

A
Oxygenated blood to lungs

B
Oxygenated blood to intestine

C
Oxygenated blood to brain

D
None of these

Submit Test

Body Fluids and...

Question 1

Decrease in oxygen content of blood

Decrease in elasticity of arteries

Fall in nutrient content of blood

Increase in elasticity of arteries

Question 2

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion.

Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion.

Assertion is correct but Reason is incorrect.

Both Assertion and Reason are incorrect.

Question 3

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

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

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

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

Question 4

Veins are typically larger in diameter than arteries

Because of their small size,capillaries contain blood that is moving more quickly than in other parts of the circulatory system

The walls of arteries are elastic,enabling them to stretch and shrink during changes in blood pressure

Veins contain more blood than any other part of the circulatory system

Question 5

(i) and (ii)

(i) and (iii)

(ii), (iv) and (v)

all of these

Question 6

C

D

A

B

Question 7

A

B

C

D

Question 8

In the wall of right atrium

On interauricular septum

On interventricular septum

In the wall of left atrium

Question 9

Lymphocyte - leucocyte

Plasma - serum

Mitral valve - bicuspid valve

Atrioventricular node - pacemaker

Question 10

Atmospheric pressure

High pressure

Low pressure

All of the above

Question 11

Purkinje fibres

Papillary muscles

SA node

AV node

Question 12

ventricles of heart

joints of legs

ventricles of brain

atria of heart

Question 13

Left atrium

Right atrium

Right ventricle

Left ventricle

Question 14

Pulmonary vein

Hepatic vein

Hepatic portal vein

Renal vein

Question 15

Oxygenated blood to lungs

Oxygenated blood to intestine

Oxygenated blood to brain

None of these

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