Body Fluids and Circulation Test

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Body Fluids and Circulation Test - 3

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Weekly Quiz Competition

Question 1
1 / -0

In our blood :

i. Granulocytes which constitutes maximum percentage of total leucocytes are neutrophils.
ii. Elevated number of neutrophils in blood indicates an acute infection such as appendicitis.

A
Statement i) is correct and ii) is wrong

B
Statement i) is wrong and ii) is correct

C
both are correct

D
both are wrong

Solution

In human blood, granulocytes and agranulocytes types of leucocytes are present. Neutrophils constitute the maximum percentage of total WBCs. Sharp increase in number of neutrophils in blood indicates an acute infection such as appendicitis.
Question 2
1 / -0

When blood clot starts contracting, a pale yellow fluid starts oozing out. Its name and composition is :

A
Sera = blood corpuscles – [thrombin + fibrin]

B
Serum = dissolved fibrin – [plasma + blood corpuscles]

C
Serum = plasma – [thrombin + blood corpuscles]

D
Serum = plasma – [fibrinogen + blood corpuscles]

Solution

Plasma without the clotting factors is called serum. The clotting factors include fibrinogen and blood corpuscles.
Question 3
1 / -0

Ramesh has Rh antigen and Anti-A as well as Anti-B antibodies in his blood. During blood transfusion he can receive blood from :

A
person with O negative blood group

B
person with O positive blood group

C
person with AB positive blood group

D
person with AB negative blood group

Solution

Since he has both antibodies A and Band has Rh antigen and hence has O+ blood group. So, he can receive blood from O-positive blood group.
Question 4
1 / -0

Which of the following represent examples of extracellular fluids?

A
blood plasma

B
tissue fluid

C
blood

D
both tissue fluid and blood plasma

Solution

Tissue fluid( lymph) and blood plasma represents the extracellular fluids. Lymph flows in lymphatic vessels and plasma in arteries and veins along with RBC, WBC and platelets.
Question 5
1 / -0

The specialised patch of modified heart muscles from where contraction initiates, is/are :

A
Pacemaker of heart

B
Pacesetter of heart

C
ECG

D
both SAN and AVN together

Solution

The nodal musculature has the ability to generate action potentials without any external stimuli. The number of action potentials that could be generated in a minute vary at different parts of the nodal system. The SAN can generate the maximum number of action potentials and is responsible for initiating and maintaining the rhythmic contractile activity of the heart. Therefore, it is called the pacemaker.
Question 6
1 / -0

The statement incorrect about human heart is :

A
It is four chambered.

B
It is derived from endoderm.

C
Wall of left ventricle is thickest.

D
It is myogenic.

Solution

Human being is triploblastic. The different organs are evolved from different layers of foetus. Human heart is derived from mesoderm.
Question 7
1 / -0

The layer of heart pericardium which checks its overstretching and overfilling as well as also protects heart from mechanical injury is :

A
serous pericardium

B
visceral pericardium

C
parietal pericardium

D
fibrous pericardium

Solution

Pericardium is protective covering of heart. Pericardium is made of different layers to perform different functions. The layer of heart pericardium which checks its overstretching and overfilling as well as protects heart from mechanical injury is fibrous pericardium.
Question 8
1 / -0

Which of the following is correctly matched?

A
P wave = atrial repolarisa

B
P wave = atrial relaxation

C
T wave = ventricular relaxation

D
QRS wave = ventricular repolarisation

Solution

The T-wave represents the return of the ventricles from excited to normal state.
Question 9
1 / -0

Read the following :

i. Blood vessels include arteries and veins. Arteries carry blood from heart to body parts and veins bring back blood from body parts to heart.
ii. The blood vessel which carry blood from heart to lungs is pulmonary artery and it carries oxygenated blood.

A
Statement ii) is correct and i) is wrong.

B
Statement ii) is wrong and i) is correct.

C
both are correct

D
both are wrong

Solution

Blood vessels includes arteries and veins. Arteries carry blood from heart to body parts and veins bring back blood from body parts to heart. Pulmonary artery carry deoxygenated blood.

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Re-Attempt Weekly Quiz Competition

Body Fluids and Circulation Test - 3

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Body Fluids and Circulation Test - 3

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SHARING IS CARING

Question 1

Statement i) is correct and ii) is wrong

Statement i) is wrong and ii) is correct

both are correct

both are wrong

Solution

Question 2

Sera = blood corpuscles – [thrombin + fibrin]

Serum = dissolved fibrin – [plasma + blood corpuscles]

Serum = plasma – [thrombin + blood corpuscles]

Serum = plasma – [fibrinogen + blood corpuscles]

Solution

Question 3

person with O negative blood group

person with O positive blood group

person with AB positive blood group

person with AB negative blood group

Solution

Question 4

blood plasma

tissue fluid

blood

both tissue fluid and blood plasma

Solution

Question 5

Pacemaker of heart

Pacesetter of heart

ECG

both SAN and AVN together

Solution

Question 6

It is four chambered.

It is derived from endoderm.

Wall of left ventricle is thickest.

It is myogenic.

Solution

Question 7

serous pericardium

visceral pericardium

parietal pericardium

fibrous pericardium

Solution

Question 8

P wave = atrial repolarisa

P wave = atrial relaxation

T wave = ventricular relaxation

QRS wave = ventricular repolarisation

Solution

Question 9

Statement ii) is correct and i) is wrong.

Statement ii) is wrong and i) is correct.

both are correct

both are wrong

Solution

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