Body Fluids and Circulation Test

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Body Fluids and Circulation Test - 5

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Weekly Quiz Competition

Question 1
1 / -0

During heart beat, the lubb sound is created when the

a. tricuspid valve snaps shut
b. bicuspid valve snaps shut
c. aortic valve snaps shut
d. pulmonary valve snaps shutChoose the correct option.

A
c and d

B
a and b

C
a and c

D
b and d

Solution

The lubb sound is produced when both tricuspid and bicuspid valves snap shut. It happens after contraction of auricles forcing the blood into ventricles.
Question 2
1 / -0

Lacteals are the lymph vessels which function in

A
transportation of white blood cells from the lymph nodes into the bones

B
transportation of proteins from the digestive system

C
transportation of fatty acids and fats as chyle from the digestive system

D
removal of interstitial fluid from tissues

Solution

Lacteals absorb and transport fatty acids and fats as chyle from the digestive system.
Question 3
1 / -0

The factor contributing to bicarbonates in the plasma is

A
uric acid

B
CO₂

C
carbohydrates

D
carbonic acid

Solution

Bicarbonates in the blood is due to the presence of CO₂. CO₂ is converted into bicarbonate by carbonic anhydrase enzyme.
Question 4
1 / -0

If arteries become hardened and narrowed because of an excessive accumulation of calcium plaque, the condition is called

A
Arteriosclerosis

B
Atherosclerosis

C
Coronary thrombosis

D
Angina pectoris

Solution

Atherosclerosis is a condition where the arteries become hardened and narrowed because of an excessive accumulation of calcium plaque around the artery wall.
Question 5
1 / -0

Pulse rate is the measurement of beating of heart using

A
capillaries

B
veins

C
arteries

D
either arteries or veins

Solution

Beating of heart is felt in arteries as regular jerks called pulse. The pulse rate is therefore the same as that of heart rate.
Question 6
1 / -0

How many chambered heart is present in the crocodile which exhibits double circulation?

A
Four

B
Three

C
Two

D
Five

Solution

Crocodile has a four-chambered heart and two ventricles, an unusual trait among extant reptiles.
Question 7
1 / -0

Pus, which is found near the regions of bacterial infections, consists of

A
proteins and dead platelets

B
proteins and dead leukocytes

C
proteins, dead leukocytes and dead bacteria

D
serum and dead platelets

Solution

Pus is a whitish-yellow or yellow substance composed primarily of proteins, dead leukocytes and dead pyogenic bacteria; normally found in regions of bacterial infection.
Question 8
1 / -0

Blood of a universal recipient is characterised by

A
presence of antigens A and B on RBC

B
presence of antibodies A and B in plasma

C
absence of any antigens on RBC

D
low level of antibodies in plasma

Solution

Blood of a universal recipient is characterised by presence of antigens A and B on RBC.
Question 9
1 / -0

Artery/arteries which supplies,supply blood to the diaphragm is/are

A
coeliac artery

B
phrenic arteries

C
intercostal arteries

D
innominate artery

Solution

A pair of phrenic arteries arises from aorta and supplies the diaphragm.
Question 10
1 / -0

Which of the following sentences is true?

A
Purkinje fibres are nerve fibres.

B
Bundle of His consists of collagen fibres.

C
Purkinje fibres originate from AV node.

D
Bundle of His receives the wave of contraction from AV node.

Solution

This is true. Bundle of His picks up the wave of contraction from AV node and later takes it to ventricles.

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Re-Attempt Weekly Quiz Competition

Body Fluids and Circulation Test - 5

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Body Fluids and Circulation Test - 5

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Question 1

c and d

a and b

a and c

b and d

Solution

Question 2

transportation of white blood cells from the lymph nodes into the bones

transportation of proteins from the digestive system

transportation of fatty acids and fats as chyle from the digestive system

removal of interstitial fluid from tissues

Solution

Question 3

uric acid

CO2

carbohydrates

carbonic acid

Solution

Question 4

Arteriosclerosis

Atherosclerosis

Coronary thrombosis

Angina pectoris

Solution

Question 5

capillaries

veins

arteries

either arteries or veins

Solution

Question 6

Four

Three

Two

Five

Solution

Question 7

proteins and dead platelets

proteins and dead leukocytes

proteins, dead leukocytes and dead bacteria

serum and dead platelets

Solution

Question 8

presence of antigens A and B on RBC

presence of antibodies A and B in plasma

absence of any antigens on RBC

low level of antibodies in plasma

Solution

Question 9

coeliac artery

phrenic arteries

intercostal arteries

innominate artery

Solution

Question 10

Purkinje fibres are nerve fibres.

Bundle of His consists of collagen fibres.

Purkinje fibres originate from AV node.

Bundle of His receives the wave of contraction from AV node.

Solution

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