Human Physiology Test

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Human Physiology Test - 7

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Question 1
1 / -0

Body fluid is classified into intracellular and extracellular fluids. Which of the following fluids is present in between the tissues?

A
Cerebrospinal fluid

B
Interstitial fluid

C
Intraocular fluid

D
Fluid in urinary tract

Solution

This is the correct option. Interstitial fluid is present in between the tissues.
Question 2
1 / -0

The function of which of the following plasma proteins is to retain water in blood plasma?

a. Albumins
b. Fibrinogen
c. Prothrombin
d. Globulins

A
Only b and c

B
Only a and b

C
Only c and d

D
Only a and d

Solution

This is the correct option. Plasma proteins Albumins and Globulins retain water in blood plasma.
Question 3
1 / -0

Which of the following granulocytes release heparin, serotonin and histamine and have usually three-lobed nucleus?

a. Basophils
b. Neutrophils
c. Eosinophils

A
Only a

B
Only b

C
Only c

D
Only b and c

Solution

This is the correct option. Heparin, serotonin and histamine are released by basophils. They usually have three-lobed nucleus. Another property of basophils is that they have less number of coarse granules.
Question 4
1 / -0

Consider the following statements and choose the correct answer.

a. People having O blood group do not have A and B antigens on their red blood cells as their plasma has antibodies for both these antigens.
b. People having AB blood group have both antigens A and B on their red blood cells and their plasma has no antibodies for either of these antigens.

A
Both the statements are true.

B
Both the statements are false.

C
Statement 'a' is true but statement 'b' is false.

D
Statement 'b' is true but statement 'a' is false.

Solution

This is the correct option as both the statements are true.
a. People having O blood group do not have A and B antigens on their red blood cells as their plasma has antibodies for both these antigens.
b. People having AB blood group have both antigens A and B on their red blood cells and their plasma has no antibodies for either of these antigens.
Question 5
1 / -0

Blood is a mobile connective tissue and is the basis of life. Which of the following is/are the functions of blood?

A
Temperature regulation

B
Transport of respiratory gases

C
Maintenance of physiological cooperation

D
All of these

Solution

This is the correct option as all of these are the functions of blood.
Question 6
1 / -0

During powerful ventricular contractions, which of the following prevent(s) the bicuspid and tricuspid valves from collapsing back into the atria?

A
Fossa ovalis

B
Chordae tendineae

C
Superior vena cava

D
Coronary sinus

Solution

This is the correct option. Bicuspid and tricuspid valves are prevented from collapsing back into the atria by the chordae tendineae during powerful ventricular contractions. In a heart, they occur in a group of tough, tendinous strands.
Question 7
1 / -0

In the human heart, which of the following receives the oxygenated blood from the lungs through two pairs of pulmonary veins?

A
Superior vena cava

B
Inferior vena cava

C
Right atrium

D
Left atrium

Solution

This is the correct option. In the human heart, the left atrium receives the oxygenated blood from the lungs through two pairs of pulmonary veins. It is roughly cuboidal in shape.
Question 8
1 / -0

There are successive stages of cardiac cycle. In which of the following stages do the ventricles begin to contract due to a wave of contractions stimulated by the AV node?

A
Complete ventricular systole stage

B
Complete ventricular diastole stage

C
Beginning of ventricular diastole stage

D
Beginning of ventricular systole stage

Solution

This is the correct option. In the beginning of ventricular systole stage, the ventricles begin to contract. They contract due to a wave of contractions that is stimulated by AV node.
Question 9
1 / -0

A normal ECG is composed of a P wave, a QRS wave and a T wave. Which of the following is a small upward wave that represents electrical excitation or the atrial depolarisation which leads to contraction of both the atria?

A
P wave

B
QRS wave

C
T wave

D
None of these

Solution

This is the correct option. P wave is a small upward wave. It represents electrical excitation. This further leads to contraction of both the atria.
Question 10
1 / -0

Lymphatic capillaries lie close to the blood capillaries. Which of the following statements about lymphatic capillaries is true?

A
They are reddish in appearance and are easy to observe.

B
Lymphatic capillaries' walls consist of normal endothelium and a basement membrane.

C
Lymphatic capillaries contain colourless lymph.

D
They are joined to arterioles at one end, and to venules at the other end.

Solution

This is the correct option. Lymphatic capillaries contain colourless lymph.
Question 11
1 / -0

Lymph is a colourless fluid and is a part of the tissue fluid. Which of the following is a characteristic of lymph?

A
Glucose concentration is less in lymph.

B
Its plasma has more proteins, calcium and phosphorus.

C
It acts as a 'middle man' as it transfers materials from the blood to the body cells and vice-versa.

D
It consists of plasma, erythrocytes, leucocytes and platelets.

Solution

This is the correct option as this is a characteristic of lymph. It acts as a 'middle man'. It is called so because it transfers materials from the blood to the body cells and vice-versa.
Question 12
1 / -0

There are three coats on the wall of an artery and a vein. Which of the following coats is/are mainly made up of elastic connective tissues and smooth muscle fibres and is/are thicker in an artery?

a. Tunica externa
b. Tunica media
c. Tunica interna

A
Only a

B
Only b

C
Only a and c

D
Only c

Solution

This is the correct option. Tunica media is mainly made up of elastic connective tissues and smooth muscle fibres. This coat is thicker in an artery.
Question 13
1 / -0

Which of the following arise(s) from the ascending aorta which supplies oxygenated blood to the heart muscle (myocardium)?

A
Right and left coronary arteries

B
Splenic vein

C
Coronary veins

D
Cystic vein

Solution

This is the correct option. The right and left coronary arteries arise from the ascending aorta which supplies oxygenated blood to the heart muscle (myocardium).
Question 14
1 / -0

Spleen is soft, highly vascular and dark purple in colour and lies between the fundus of the stomach and the diaphragm. Which of the following is not a function of spleen?

A
Phagocytosis

B
Haemopoiesis

C
Storage of erythrocytes

D
Regulation of cardiac activity

Solution

Regulation of cardiac activity is not a function of spleen.
Question 15
1 / -0

Which of the following disorders of the circulatory system is a condition in which the heart muscle contracts very rapidly in an uncontrolled manner?

A
Stokes-Adams syndrome

B
Fibrillation

C
Ischaemia

D
Ebstein's disease

Solution

This is the correct option. Fibrillation is a condition in which the heart muscle contracts very rapidly in an uncontrolled manner. Its symptoms include palpitations, uncomfortable, irregular heartbeat, weakness, fatigue. lightheadedness, dizziness etc.

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Human Physiology Test - 7

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Human Physiology Test - 7

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SHARING IS CARING

Question 1

Cerebrospinal fluid

Interstitial fluid

Intraocular fluid

Fluid in urinary tract

Solution

Question 2

Only b and c

Only a and b

Only c and d

Only a and d

Solution

Question 3

Only a

Only b

Only c

Only b and c

Solution

Question 4

Both the statements are true.

Both the statements are false.

Statement 'a' is true but statement 'b' is false.

Statement 'b' is true but statement 'a' is false.

Solution

Question 5

Temperature regulation

Transport of respiratory gases

Maintenance of physiological cooperation

All of these

Solution

Question 6

Fossa ovalis

Chordae tendineae

Superior vena cava

Coronary sinus

Solution

Question 7

Superior vena cava

Inferior vena cava

Right atrium

Left atrium

Solution

Question 8

Complete ventricular systole stage

Complete ventricular diastole stage

Beginning of ventricular diastole stage

Beginning of ventricular systole stage

Solution

Question 9

P wave

QRS wave

T wave

None of these

Solution

Question 10

They are reddish in appearance and are easy to observe.

Lymphatic capillaries' walls consist of normal endothelium and a basement membrane.

Lymphatic capillaries contain colourless lymph.

They are joined to arterioles at one end, and to venules at the other end.

Solution

Question 11

Glucose concentration is less in lymph.

Its plasma has more proteins, calcium and phosphorus.

It acts as a 'middle man' as it transfers materials from the blood to the body cells and vice-versa.

It consists of plasma, erythrocytes, leucocytes and platelets.

Solution

Question 12

Only a

Only b

Only a and c

Only c

Solution