Body Fluids and Circulation Test

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Body Fluids and Circulation Test - 50

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Weekly Quiz Competition

Question 1
1 / -0

The part of the cardiovascular system that transports oxygen-depleted blood from the heart to the lungs brings oxygenated blood back to the heart is:

A
Pulmonary circulation

B
Coronary circulation

C
Systemic circulation

D
Single circulatory system.
Solution
The correct answer is option A.
The cardiovascular system is composed of two circulatory paths: pulmonary circulation, the circuit through the lungs where blood is oxygenated; and systemic circulation, the circuit through the rest of the body to provide oxygenated blood. The two circuits are linked to each other through the heart, creating a continuous cycle of blood through the body.
Pulmonary circulation: The part of blood circulation which carries oxygen-depleted blood away from the heart, to the lungs, and returns oxygenated blood back to the heart.
Systemic circulation: The part of blood circulation that carries oxygenated blood away from the heart, to the body, and returns deoxygenated blood back to the heart.
Question 2
1 / -0

Blood group agglutinogen is

A
Phosphoprotein

B
Glycoprotein

C
Haemoprotein

D
Phospholipid.

Solution

Agglutinogens are the antigens that present on the surface of the Red blood cell. ABO blood group is derived from H-antigen, which is a carbohydrate sequence linked to protein,known as glycoprotein.
So, the correct answer will be option B.
Question 3
1 / -0

Which one is correct about ECG?

A
P-wave - Depolarisation of atria

B
QRS complex - Repolarisation of ventricles

C
T-wave - Start of systole

D
T-wave - End of diastole
Solution
- ECG consists of three components: P-wave, a QRS complex, and a T-wave.
- The P-wave represents the beginning of the atrial contraction (atrial depolarisation).
- The QRS complex represents ventricular contraction (ventricular depolarisation) and the T wave represents ventricular relaxation (ventricular repolarisation).
- The end of the T wave marks the end of the systole.
Hence, the correct answer is option A, i.e., P wave - depolarisation of atria.
Question 4
1 / -0

Thromboplastin required for blood clotting at the place of injury is released by

A
Blood platelets

B
Eosinophils

C
Neutrophils

D
Lymphocytes.

Solution

Platelets and plasma proteins together stop bleeding by forming clot. Thromboplastin is a plasma protein and especially found in blood Platelets.
So the correct answer will be option A.
Question 5
1 / -0

Hypertension is not caused by

A
Anaemia

B
Atheroclerosis

C
Obesity

D
Arteriosclerosis.

Solution

A. Anaemia
EXPLANATION: Anemia is not the cause of hypertension, but due to the high blood pressure kidney can be damaged and that can bring on anemia. So anemia is a effect of hypertension. A good diet and regular exercise can help to cure this disease.
Question 6
1 / -0

In which of the following situations, there is risk of erythroblastosis foetalis

A
Mother $$Rh^+$$, father $$Rh^+$$

B
Mother $$Rh^-$$, father $$Rh^-$$

C
Mother $$Rh^-$$, father $$Rh^+$$

D
Mother $$Rh^+$$, father $$Rh^-$$.

Solution

C. Mother Rh-, father Rh+
EXPLANATION: Erythroblastosis fetalis is associated with Rh and ABO blood group. This disease may develop when a woman with Rh-negative blood is impregnated by a man with Rh-positive blood and then they conceive Rh-positive fetus. The Rh-positive foetus in the second pregnancy may trigger antibody reaction in the mother, whose antibodies attack and destroy the Rh+ erythrocytes of the foetus.
Question 7
1 / -0

Blood corpuscles containing both A and B antigens are mixed with another blood serum. The blood corpuscles agglutinated. Blood serum belongs to blood group

A
A

B
B

C
AB

D
O.

Solution

C. AB
EXPLANATION: If agglutination occurred with only Anti-A test serum, then the blood group is A. If agglutination occurred only with Anti-B test serum, then the blood group is B and if agglutination occurred with both the test serums, then blood group is AB. In blood group O, there is no agglutination.
Question 8
1 / -0

In extrinsic clotting pathway, active factor VII activates factors

A
X and XI

B
IX and X

C
IX and XI

D
XI and XII.
Question 9
1 / -0

Which one functions as enzyme in blood clotting

A
Prothrombin

B
Calcium

C
Thrombin

D
Fibrin.

Solution

C. Thrombin
EXPLANATION: Thrombin is an endogenous protein and helps in the clotting of blood. Thrombin plays an important role in the formation of fibrin clots by converting fibrinogen to fibrin. It causes platelet aggregation.
Question 10
1 / -0

Valve surrounding opening of coronary sinus is

A
Thebesius valve

B
Eustachian valve

C
Mitral valve

D
Semilunar valve.

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Re-Attempt Weekly Quiz Competition

Body Fluids and Circulation Test - 50

Result

Body Fluids and Circulation Test - 50

Score

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SHARING IS CARING

Question 1

Pulmonary circulation

Coronary circulation

Systemic circulation

Single circulatory system.

Solution

Question 2

Phosphoprotein

Glycoprotein

Haemoprotein

Phospholipid.

Solution

Question 3

P-wave - Depolarisation of atria

QRS complex - Repolarisation of ventricles

T-wave - Start of systole

T-wave - End of diastole

Solution

Question 4

Blood platelets

Eosinophils

Neutrophils

Lymphocytes.

Solution

Question 5

Anaemia

Atheroclerosis

Obesity

Arteriosclerosis.

Solution

Question 6

Mother $$Rh^+$$, father $$Rh^+$$

Mother $$Rh^-$$, father $$Rh^-$$

Mother $$Rh^-$$, father $$Rh^+$$

Mother $$Rh^+$$, father $$Rh^-$$.

Solution

Question 7

A

B

AB

O.

Solution

Question 8

X and XI

IX and X

IX and XI

XI and XII.

Question 9

Prothrombin

Calcium

Thrombin

Fibrin.

Solution

Question 10

Thebesius valve

Eustachian valve

Mitral valve

Semilunar valve.

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