Body Fluids and Circulation Test

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Body Fluids and Circulation Test - 46

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Weekly Quiz Competition

Question 1
1 / -0

Pulmonary artery differs from pulmonary vein in having

A
Thick wall

B
Thin wall

C
Valves

D
Both B and C.

Solution

Blood vessels consist of three layers, tunica intima, tunica media, tunica externa. Tunica media is thicker in pulmonary arteries and thinner in pulmonary veins.
So, the correct option is A.
Question 2
1 / -0

Most common blood group is

A
AB

B
A

C
B

D
O.
Question 3
1 / -0

A person with blood group 'O' is capable of donating blood to a person with blood group ________.

A
AB

B
A

C
B

D
O, AB, A or B

Question 4

1 / -0

Match the column.

	Column I		Column II
a	Superior Vena Cava	p	Carries deoxygenated blood to lungs
b	Inferior Vena Cava	q	Carries oxygenated blood from lungs
c	Pulmonary Artery	r	Brings deoxygenated blood from lower parts of body to right atrium
d	Pulmonary vein	t	Brings deoxygenated blood from upper parts of body into right atrium

a - q, b - t, c - r, d - p

a - t, b - p, c - q, d - r

a - t, b - r, c - p, d - q

a - t, b - p, c - r, d - q

Solution

a. Superior vena cava brings deoxygenated blood from upper parts of body (head and neck) to right atrium.

b. Inferior vena cava brings deoxygenated blood from lower parts of the body (pelvis, lower limbs, gonads, muscles of back, kidneys, liver etc.) to right atrium.

c. Pulmonary artery carries deoxygenated blood from the right ventricle to the lungs.

d. Pulmonary vein carries oxygenated blood from the lungs to the left auricle.

So, the correct answer is 'a - t, b - r, c - p, d - q'.

Question 5
1 / -0

Which is correct about leucocytes?

A
They are red coloured.

B
They can cross capillaries.

C
They are enucleate.

D
Decrease in their number causes leukemia.

Solution

A. Leucocytes are white blood cells (WBCs).
B. They are capable of amoeboid movement due to which they can cross or squeeze out of the capillaries into tissues and this process is known as diapedesis.
C. They are nucleated i.e., they have a nucleus.
D. Increase in their number cause leukemia which is cancer of WBCs.
Hence, only statement B is correct.
So, the correct answer is 'They can cross capillaries'.
Question 6
1 / -0

Blood group B means the person

A
Can form antibody for B

B
Cannot form antibody for B

C
Can receive blood of AB group

D
Cannot receive blood group O.

Solution

Blood group B means they have B antigen on the RBC surface and anti A antibody. Therefore, they cannot form antibody for B.
So, the correct option is B.
Question 7
1 / -0

Person with AB blood group can receive blood from _______.

A
AB only

B
O only

C
Both A and B

D
All the above
Solution
- A person with AB blood group can receive blood from A, B, and O blood group person because a person with blood group AB has both A and B antigen on their RBCs, and thus, no antibodies are produced against either of the antigens.
- AB blood group is also known as the universal recipient.
Hence, the correct answer is option D, i.e., All of the above.
Question 8
1 / -0

Blood protein which initiates blood coagulation is

A
Prothrombin

B
Thrombin

C
Fibrinogen

D
Fibrin

Solution

Prothrombin is a plasma protein essential for blood clotting. Whenever there is an injury, prothrombin activator complex is formed. Prothrombin is converted into thrombin by activators. Thrombin acts as an enzyme and converts plasma protein fibrinogen into fibrin threads which form a clot at the site of injury and bleeding is stopped.
So, the correct answer is 'Prothrombin'.
Question 9
1 / -0

A sample of blood shows clumping with antiserum A but not with antiserum B. The blood group would be

A
O

B
A

C
B

D
AB.

Solution

Clumping with antiserum A means the blood sample contains antigen A and no clumping with antiserum B indicates the presence of anti B antibody in blood sample. This correlates to blood group A.
So, the correct option is B.
Question 10
1 / -0

Rh factor occurs in

A
All reptiles

B
Man and Rhesus Monkey

C
All mammals

D
All vertebrates.

Solution

Rh factor, also called Rhesus factor, is a type of protein found upon the red blood cells. The protein is genetically inherited (passed down from our parents). If we have the protein, we are Rh-positive. If we did not inherit the protein, we are Rh-negative. It occurs in man and Rhesus monkey.
So, the correct option is B.

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Body Fluids and Circulation Test - 46

Result

Body Fluids and Circulation Test - 46

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SHARING IS CARING

Question 1

Thick wall

Thin wall

Valves

Both B and C.

Solution

Question 2

AB

A

B

O.

Question 3

AB

A

B

O, AB, A or B

Question 4

a - q, b - t, c - r, d - p

a - t, b - p, c - q, d - r

a - t, b - r, c - p, d - q

a - t, b - p, c - r, d - q

Solution

Question 5

They are red coloured.

They can cross capillaries.

They are enucleate.

Decrease in their number causes leukemia.

Solution

Question 6

Can form antibody for B

Cannot form antibody for B

Can receive blood of AB group

Cannot receive blood group O.

Solution

Question 7

AB only

O only

Both A and B

All the above

Solution

Question 8

Prothrombin

Thrombin

Fibrinogen

Fibrin

Solution

Question 9

O

A

B

AB.

Solution

Question 10

All reptiles

Man and Rhesus Monkey

All mammals

All vertebrates.

Solution

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