Body Fluids and Circulation Test

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Body Fluids and Circulation Test - 68

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Weekly Quiz Competition

Question 1
1 / -0

Which one of the following conditions is NOT responsible for the presence of deoxygenated blood in the arteries of a newborn ?

A
Pneumonia

B
Atrial septal defect

C
Shunt between pulmonary artery and aorta

D
Phenylketonuria
Question 2
1 / -0

What causes cardiac arrest?

A
Blockage in the Aorta

B
Death of Cardiac Muscle

C
Non functional SA Node

D
Blockage in the Pulmonary Artery
Solution
Cardiac arrest is a condition when the heart skips rhythm or completely stops beating.
It takes place due to improper conduction of electric impulse by the SA node, as a result, the blood supply is disrupted to the brain, lungs and other vital organs which may result in the immediate death of the patient.
So, the correct answer is 'Non-functional SA node'.
Question 3
1 / -0

Which blood vessels have the smallest diameter?

A
Capillaries

B
Arterioles

C
Venules

D
Lymphatic

Solution

The correct answer is option A
Blood capillaries are vessels that have smallest diameter, They are the smallest blood vessels of the body. They are about 3 to 4 micrometers in diameter.
Question 4
1 / -0

Thrombin is used ________.

A
To convert fibrinogen into fibrin

B
To convert angiotensinogen to angiotensin-I

C
To dissolve clots inside the blood vessels

D
In clearing of packed fruit juices

Solution

A. To convert fibrinogen to fibrin
Reason : Blood coagulation is a very sensitive process and divided into many steps. Thrombin is the principal enzyme that catalyzes the conversion of fibrinogen to fibrin and also activates procoagulant factors V, VIII, XI, and XIII. The fibrin (thin fibres) traps blood cells to form a clot upon the wound.
So, the correct option is A.
Question 5
1 / -0

Red blood corpuscles are also known as :

A
RBC

B
WBC

C
Platelets

D
Pulse

Solution

Red Blood Corpuscles are abbreviated as RBC, they are also known as Erythrocytes. These cells are enucleate, contain a protein heamoglobin and perform the function of transporting $$O_2$$ from the lungs to the tissues and a small amount of $$CO_2$$.
So, the correct answer is 'RBC'
Question 6
1 / -0

Which of these is responsible for blood clothing?

A
Red blood cells

B
White blood cells

C
Haemoglobin

D
Platelets

Solution

Platelets are anucleate blood cells that help in clotting of blood that oozes out of a damaged vessel or wound.
So, the correct answer is ' Platelets'
Question 7
1 / -0

Blood is purified in:

A
Heart

B
Lungs

C
Liver

D
Kidneys

Solution

Blood is purified or Oxygenated in the lungs. The right ventricle pumps deoxygenated blood through the pulmonary arteries into the lung for oxygenation or purification.
So, the correct answer is 'Lungs'
Question 8
1 / -0

One of the following is an antigen not found in human blood

A
A

B
B

C
Rh

D
O

Solution

The term 'O' or zero indicates the absence of antigen on the blood cell or RBC and the blood group is therefore, known as the 'O' group.
So, the correct answer is 'O'
Question 9
1 / -0

A person injured in a road accident, with blood group 'O' can be given blood with, which of the following blood group:

A
from 'A' and 'O'

B
from 'B' and 'O'

C
from 'AB' and 'O'

D
only from'O'

Solution

A person with 'O' blood group can be given blood of only 'O' blood group because, the RBCs of 'O' blood group do not carry any antigens, however, the blood plasma contains both, antibody A as well as B. So, if the A, B, or AB blood is transfused into this person, it will cause an antigen - antibody reaction.
So, the correct answer is 'only from'O''
Question 10
1 / -0

Which of the following is not a white blood cell?

A
B-Iymphocyte

B
Platelet

C
Basophil

D
Monocyte
Solution
- B - Lymphocytes and Monocytes are agranular WBCs or Leukocytes, while Basophil is a granular leukocyte or WBC.
- Platelets are enucleated plasma components that form clots during a wound or injury.
So, the correct answer is 'Platelet'

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Re-Attempt Weekly Quiz Competition

Body Fluids and Circulation Test - 68

Result

Body Fluids and Circulation Test - 68

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SHARING IS CARING

Question 1

Pneumonia

Atrial septal defect

Shunt between pulmonary artery and aorta

Phenylketonuria

Question 2

Blockage in the Aorta

Death of Cardiac Muscle

Non functional SA Node

Blockage in the Pulmonary Artery

Solution

Question 3

Capillaries

Arterioles

Venules

Lymphatic

Solution

Question 4

To convert fibrinogen into fibrin

To convert angiotensinogen to angiotensin-I

To dissolve clots inside the blood vessels

In clearing of packed fruit juices

Solution

Question 5

RBC

WBC

Platelets

Pulse

Solution

Question 6

Red blood cells

White blood cells

Haemoglobin

Platelets

Solution

Question 7

Heart

Lungs

Liver

Kidneys

Solution

Question 8

A

B

Rh

O

Solution

Question 9

from 'A' and 'O'

from 'B' and 'O'

from 'AB' and 'O'

only from'O'

Solution

Question 10

B-Iymphocyte

Platelet

Basophil

Monocyte

Solution

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