Body Fluids and Circulation Test

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Body Fluids and Circulation Test - 25

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Question 1
1 / -0

The blood during diastole

A
Leaves the heart

B
Enters into the heart

C
Enters into lungs

D
Leaves the ventricles

Solution

The systole (contraction) and diastole (relaxation) phases alternate in a cardiac cycle.
The blood enters heart during diastole and is pumped by heart during systole.
Question 2
1 / -0

'Vasa-vasorum' refers to

A
Jugular anastomosis

B
A network of blood vessels in an organ

C
Vessels of vessels

D
Carotid labyrinth regulating pressure of blood vessels

Solution

A thin network of blood capillaries is present in the walls of blood vessels itself, which supply blood and other necessary substances to the blood vessels like aorta, vena cavae etc. This is known as vasa-vasorum or vessel of vessels.
So, the correct answer is 'Vessels of vessels'
Question 3
1 / -0

Blood vessels do not pierce

A
Dermis

B
Endodermis

C
Epidermis

D
None of the above

Solution

The epidermis is composed of the outermost layers of the skin. It forms a protective barrier over the body's surface, responsible for keeping water in the body and preventing pathogens from entering. The epidermis contains no blood vessels, and cells in the deepest layers are nourished by diffusion from blood capillaries extending to the upper layers of the dermis.
Question 4
1 / -0

A portal system is that in which:

A
A vein begins from an organ and ends in heart.

B
An artery breaks up in an organ & restarts by the union of its capillaries.

C
The blood from gut is brought in to kidneys before it is poured in to heart.

D
A vein breaks up in an organ into capillaries and restarts by their union as a new vein in the same organ.

Solution

In a portal system, however, blood circulates through a second capillary bed, usually in a second organ, before returning to the heart. Thus, a portal system is a kind of detour in the pathway of venous return that can transport materials directly from one organ to another. The largest portal system in the body is the hepatic portal system, which carries blood from the abdominal organs to the liver.
So, the correct answer is option D.
Question 5
1 / -0

When the right ventricle contracts the blood is pumped into

A
Superior vena cava

B
Dorsal aorta

C
Pulmonary artery

D
Pulmonary veins

Solution

Deoxygenated blood from the upper part of the body returns to the right atrium (RA) via the superior vena cava. On the other hand, deoxygenated blood from the lower portion of the body returns to the RA via the inferior vena cava.
When the RA is full, it contracts which builds up the pressure and opens the tricuspid valve. Blood transfers from the RA into the right ventricle (RV). When the RV is filled, the walls of the ventricle begin to contract and the pressure within the RV rises. The increased pressure closes the tricuspid valve and blood is pumped into the pulmonary artery through the pulmonic valve.
So, the correct answer is option C.
Question 6
1 / -0

To reach the left side of heart the blood must pass through

A
Sinus venosus

B
Kidneys

C
Liver

D
Lungs

Solution

Deoxygenated blood reaches from systemic circulation to right side of the heart. From there it is carried to the lungs for oxygenation. The oxygenated blood is carried from lungs to the left side of the heart. From lungs, pulmonary vein carries oxygenated blood to the left atrium. From there oxygenated blood is circulated to the systemic circulation again.
So, the correct answer is option D.
Question 7
1 / -0

Lymph can be defined as:

A
Blood minus corpuscles.

B
Blood minus plasma.

C
Blood minus WBC.

D
Blood minus RBC and platelets.
Solution
- Lymph is a colorless fluid, containing specialized lymphocytes, which are responsible for the immune responses of the body.
- Lymph is also an important carrier for nutrients, hormones, etc. Fats are absorbed through lymph in the lacteals present in the intestinal villi.
- Lymph lacks RBCs and platelets. Lymph contains white blood cells.
- So option D is correct.
Question 8
1 / -0

Hb count is done by

A
Widal method

B
Sahli method

C
Haemoglobinometer

D
Both B and C
Solution
There are four methods for the determination of hemoglobin, Hb in the blood.
1. Sahli's method
2. Cyanmet Hb method
3. Hemoglobinometer
4. Haden Hausser method
Therefore, the correct answer is option D.
Question 9
1 / -0

Which of the following counts is incorrect?

A
RBC- 3.5 millions/cubic mm

B
WBC- 5 thousand/cubic mm

C
ESR- 10 mm/hour

D
Platelet- 400,000/cubic mm

Solution

Normal RBC count 4.2 - 5.7 million cells per cubic mm.
Normal WBC count is 4,500 - 5000 cells per cubic mm.
Normal ESR range is 0-22 mm/hr.
Normal platelet count is 150,000-450,000 per cubic mm.
Therefore, the correct answer is option A.
Question 10
1 / -0

The blood circulation which starts and ends into capillaries is

A
Renal circulation

B
Portal circulation

C
Hepatic circulation

D
Lymphatic circulation

Solution

The blood carried by the arteries is returned back to the heart by the veins. In a portal system, however, blood circulates through a capillary bed, usually in an organ, before returning to the heart. The largest portal system in the body is the hepatic portal system, which carries blood from the abdominal organs to the liver.
So, the correct answer is option B.

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Body Fluids and Circulation Test - 25

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Body Fluids and Circulation Test - 25

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SHARING IS CARING

Question 1

Leaves the heart

Enters into the heart

Enters into lungs

Leaves the ventricles

Solution

Question 2

Jugular anastomosis

A network of blood vessels in an organ

Vessels of vessels

Carotid labyrinth regulating pressure of blood vessels

Solution

Question 3

Dermis

Endodermis

Epidermis

None of the above

Solution

Question 4

A vein begins from an organ and ends in heart.

An artery breaks up in an organ & restarts by the union of its capillaries.

The blood from gut is brought in to kidneys before it is poured in to heart.

A vein breaks up in an organ into capillaries and restarts by their union as a new vein in the same organ.

Solution

Question 5

Superior vena cava

Dorsal aorta

Pulmonary artery

Pulmonary veins

Solution

Question 6

Sinus venosus

Kidneys

Liver

Lungs

Solution

Question 7

Blood minus corpuscles.

Blood minus plasma.

Blood minus WBC.

Blood minus RBC and platelets.

Solution

Question 8

Widal method

Sahli method

Haemoglobinometer

Both B and C

Solution

Question 9

RBC- 3.5 millions/cubic mm

WBC- 5 thousand/cubic mm

ESR- 10 mm/hour

Platelet- 400,000/cubic mm

Solution

Question 10

Renal circulation

Portal circulation

Hepatic circulation

Lymphatic circulation

Solution

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