Body Fluids and Circulation Test

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Body Fluids and Circulation Test - 40

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Weekly Quiz Competition

Question 1
1 / -0

Enzyme causing lysis of fibrin during fibrinolysis is

A
Fibrinogen

B
Plasmin

C
Thrombin

D
VIII Platelet factor

Solution

Fibrinolysis is a process that prevents blood clots from growing and becoming problematic. This process has two types: primary fibrinolysis and secondary fibrinolysis. The primary type is a normal body process, whereas secondary fibrinolysis is the breakdown of clots due to a medicine, a medical disorder, or some other causes. In fibrinolysis, a fibrin clot, the product of coagulation, is broken down. Its main enzyme plasmin cuts the fibrin mesh at various places, leading to the production of circulating fragments that are cleared by other proteases or by the kidney and liver. Hence Enzyme causing lysis of fibrin during fibrinolysis is plasmin.
So, the correct answer is 'Plasmin'.
Question 2
1 / -0

Heparin is secreted by

A
Oxyntic cells

B
Mast cells

C
Goblet cells

D
All the above

Solution

Heparin is an anticoagulant that is used to prevent the formation of blood clots in the vessels. Heparin occurs naturally in the body and is produced by basophils and mast cells. Heparin does not break down clots directly but enhances the body’s natural clot lysis mechanisms.
So, the correct answer is 'Mast cells'.
Question 3
1 / -0

Number of WBCs per $$mm^3$$ of human blood is ideally.

A
$$8000$$

B
$$7000$$

C
$$6500$$

D
$$6000$$

Solution

White blood cells, or leukocytes, are a part of the immune system. They help our bodies fight infection. White blood cells circulate in the blood so they can be transported to an area that has developed an infection. In normal adult bodies there are 4,000 to 10,000 (average 8,000) white blood cells per microliter of blood. White blood cells are found in blood and lymph, cerebrospinal fluid, lymphatic ganglions, connective tissue, and inflammatory effusions, as they are mobile and migratory. Their average dimension varies between 9 and 18 µm. Normal WBC count is about 8000 leukocytes per cubic millimeter.

So, the correct answer is '8000'.
Question 4
1 / -0

RBC's are nucleated in

A
Man

B
Rabbit

C
Rat

D
Frog

Solution

Most mammalian red blood cells are highly evolved and have lost their nucleus. Unlike typical mammalian red blood cells, those from amphibians, such as frogs, contain a DNA-bearing nucleus that is visible in the center of the cell. All non-mammalian vertebrates have nucleated RBCs.

So, the correct answer is 'Frog'.
Question 5
1 / -0

Protein required for coagulation of blood is

A
Haemoglobin

B
Globulin

C
Fibrinogen

D
Albumin

Solution

The mechanism of blood clotting involves the presence of calcium and other clotting factors, Factor X activates an enzyme called prothrombin activator. The enzyme prothrombin activator then converts plasma protein prothrombin into thrombin. Thrombin is the enzyme which in turn converts fibrinogen into fibrin. Polymerized fibrin together with platelets forms a clot at the wound site. Hence Protein required for coagulation of blood is Fibrinogen. It is a blood plasma protein made in the liver and present in circulating blood.
So, the correct answer is 'Fibrinogen'
Question 6
1 / -0

Thromboplastin required for blood clotting is produced by

A
Platelets

B
Erythrocytes

C
Monocytes

D
Lymphocytes

Solution

Thromboplastin is a plasma protein aiding blood coagulation through catalyzing the conversion of prothrombin to thrombin. It is a complex enzyme that is found in brain, lung, and other tissues and especially in blood platelets and that functions in the conversion of prothrombin to thrombin in the clotting of blood—called also thrombokinase.

So, the correct answer is 'Platelets'.
Question 7
1 / -0

Fluid with variable amount of materials is?

A
Urine

B
Cerebrospinal fluid

C
Blood

D
Lymph

Solution

a) About 91-96% of urine consists of water. Urine contains some assortment of inorganic salts and organic compounds as well. These compounds are proteins, hormones, and a wide range of metabolites.

b) CSF is a product of plasma filtration and membrane secretion, and so its composition is different from that of plasma. CSF, in general, is clear, colourless, nearly acellular, and has a low protein concentration. Various ions, enzymes, and other substances are also found in normal CSF.

c) The different components that makeup blood. Plasma, white blood cells, red blood cells, platelets.

d) Lymph is a clear-to-white fluid made of: White blood cells, especially lymphocytes, the cells that attack bacteria in the blood. Fluid from the intestines is termed as chyle, which contains proteins and fats. So, Fluid with a variable amount of materials is lymph.

Thus, the correct answer is D.
Question 8
1 / -0

Number of leucocytes in decreasing order in human blood is?

A
Eosinophils $$>$$ basophils $$>$$ neutrophils

B
Neutrophils $$>$$ eosinophils $$>$$ basophils

C
Basophils $$>$$ eosinophils $$>$$ neutrophils

D
Eosinophils $$>$$ neutrophils $$>$$ basophils

Solution

Basophils: 0.5–1.0 percent. Eosinophils: 1–4 percent. Lymphocytes: 20–40 percent. Monocytes: 2–8 percent, Neutrophils: 40% to 60% Lymphocytes: 20% to 40%.

So, the correct answer is 'Neutrophils > eosinophils > basophils'.
Question 9
1 / -0

Which one is connective tissue?

A
Neuron

B
Nephrons

C
Islet of Langerhans

D
Blood

Solution

a) The actual nerve cell is the neuron. It is like the conducting cell which transmits impulses and the structural unit of the nervous system.

b) The nephron is the microscopic structural and functional unit of the kidney.

c) Islet of Langerhans Known as the insulin-producing tissue. These are the groups of specialized cells in the pancreas to secrete hormones.

d) Blood is considered a connective tissue because it has a matrix. Like the other connective tissues, blood is having mesodermal in origin. Also, it connects the body systems, transports oxygen, and nutrients to all the parts of the body, with the removal of the waste products. So Blood is the connective tissue.

Thus, the correct answer is [d].
Question 10
1 / -0

Ruptured blood cells are not trapped in

A
Liver

B
Spleen

C
Bone marrow

D
Both A and C

Solution

The blood cells are produced in bone marrow. In case if RBC is ruptured due to wear and tear effect they are trapped in blood or they get disintegrated in liver or spleen (graveyard of RBC). Hence ruptured blood cells are not trapped in bone marrow.
So, the correct answer is 'Bone marrow'.

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Re-Attempt Weekly Quiz Competition

Body Fluids and Circulation Test - 40

Result

Body Fluids and Circulation Test - 40

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SHARING IS CARING

Question 1

Fibrinogen

Plasmin

Thrombin

VIII Platelet factor

Solution

Question 2

Oxyntic cells

Mast cells

Goblet cells

All the above

Solution

Question 3

$$8000$$

$$7000$$

$$6500$$

$$6000$$

Solution

Question 4

Man

Rabbit

Rat

Frog

Solution

Question 5

Haemoglobin

Globulin

Fibrinogen

Albumin

Solution

Question 6

Platelets

Erythrocytes

Monocytes

Lymphocytes

Solution

Question 7

Urine

Cerebrospinal fluid

Blood

Lymph

Solution

Question 8

Eosinophils $$>$$ basophils $$>$$ neutrophils

Neutrophils $$>$$ eosinophils $$>$$ basophils

Basophils $$>$$ eosinophils $$>$$ neutrophils

Eosinophils $$>$$ neutrophils $$>$$ basophils

Solution

Question 9

Neuron

Nephrons

Islet of Langerhans

Blood

Solution

Question 10

Liver

Spleen

Bone marrow

Both A and C

Solution

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