Body Fluids and Circulation Test

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Body Fluids and Circulation Test - 14

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Question 1
1 / -0

Shape of the nucleus of WBC is usually:

A
Spherical

B
Irregular

C
Oval

D
Spindle shaped

Solution

The shape of the nucleus of WBCs is irregular. Different types of WBC have different shapes. Nuclei may be bilobed, trilobed, pentalobed, kidney-shaped, or round it depends on the WBC.
WBC Shape (nucleus)
Neutrophils Multinucleated
Eosinophils Bi-lobed
Monocytes Kidney shaped
Thrombocytes Eccentric
Basophils Bi-lobed or tri-loped
Thus, the correct answer is option B.
Question 2
1 / -0

Reticulocytes may also be called

A
Blood platelets

B
Immature erythrocytes

C
Lymphocytes

D
WBCs
Solution
- Reticulocytes are immature red blood cells or erythrocytes, which compose about 1% of the red cells in the human body.
- They develop and mature in the red bone marrow and then circulate for about a day in the bloodstream before developing into mature red blood cells.
Thus, the correct answer is option B.
Question 3
1 / -0

Lymph differs from blood in having:

A
No WBCs

B
No proteins

C
No RBCs

D
None of the above

Solution

The lymph is a whitish fluid that is derived from the interstitial fluid that circulates throughout the lymphatic system. It contains a variety of substances like proteins, glucose, water, salts, fats and white blood cells. It does not have RBCs.
Thus, the correct answer is option 'C'.
Question 4
1 / -0

Which of the following is correct?

A
Blood has WBC and lymph has RBC.

B
Blood has WBC, RBC and lymph have nothing.

C
Blood has RBC, WBC and lymph have WBC.

D
Lymph has WBC, RBC and blood have RBC.
Solution
- Blood is a fluid that has blood cells, such as WBCs, RBCs, and platelets, which are suspended in blood plasma.
- Lymph is the blood fluid that oozes through blood vessels into the tissue spaces and after circulating through the lymphatic system is returned to blood circulation.
- Lymph contains WBCs and lacks RBCs because the RBCs are too big to pass through the spaces in the blood vessels.
Thus, the correct answer is option (B).
Question 5
1 / -0

Which one of the following cells is not capable of metabolizing glucose to carbon dioxide aerobically?

A
White blood cells

B
Unstriated muscle cells

C
Liver cells

D
Red blood cells

Solution

Red blood cells at maturity lose all the cell organelles and space inside the cell is occupied by haemoglobin. Since RBCs lack mitochondria they cannot metabolize glucose to carbon dioxide aerobically.
So, the correct answer is 'Red blood cells'
Question 6
1 / -0

A chemical that prevents blood clotting is most useful in the treatment of

A
Leukemia

B
Anaemia

C
Coronary thrombosis

D
Haemophilia

Solution

A chemical that prevents blood clotting is most useful in the treatment of coronary thrombosis.
Coronary thrombosis is a blockage of the flow of blood to the heart, caused by a blood clot in a coronary artery. It is associated with narrowing of blood vessels subsequent to clotting. Thus, diluting of blood is an effective treatment in coronary thrombosis.
Leukemia is a cancer of blood-forming tissues, hindering the body's ability to fight infection.
Anaemia is a condition in which the blood doesn't have enough healthy red blood cells.
Haemophilia is a disorder in which blood doesn't clot normally. Thus, the correct answer is option C.
Question 7
1 / -0

The most important mineral for blood coagulation is

A
Calcium

B
Magnesium

C
Sodium

D
Iron

Solution

Clotting is platelet aggregation and fibrin formation. Coagulation requires the proteolytic enzyme thrombin. Coagulation requires calcium ions. That is why blood banks uses chelating agents, which bind the calcium in the donated blood, so that the blood will not clot in the bag.
Thus, the correct answer is option (A).
Question 8
1 / -0

Which of the following are required for blood clotting?

A
K$${^+}$$, thromboplastin

B
Ca$${^+}$$$${^+}$$, thromboplastin

C
Na$${^+}$$, Ca$${^+}$$$${^+}$$

D
K$${^+}$$, prothrombin

Solution

When there is an injury and blood is shed, the platelets disintegrate and liberate thromboplastin or factor III. Certain amount of thromboplastin is also derived from the damaged tissues of the injured locality.
Thromboplastin converts prothrombin into thrombin with the help of calcium ions and thrombin interacts with fibrinogen forming fibrin. This is clot.
Calcium is the Factor IV and it acts as a co-factor in the coagulation process.
Thus, the correct answer is option (B).
Question 9
1 / -0

Which one of the following plasma proteins is involved in the coagulation of blood?

A
Fibrinogen

B
Albumin

C
Serum amylase

D
Globulin
Solution
Correct option: A

Explanation:
Fibrinogen is a plasma protein involved in the coagulation of blood. During any tissue injury, it is converted by thrombin into fibrin. Fibrin forms blood clots and helps to stop bleeding.
Albumins are involved in maintaining the osmotic pressure of blood.
A small amount of amylase in the blood is called serum amylase.
Globulins include immunoglobins which are involved in maintaining immune system of the body.
Thus, Option A is correct.
Question 10
1 / -0

To prevent coagulation, blood stored in blood bank contains a small amount of

A
Calcium sulphate

B
Prothrombin

C
Potassium or sodium citrate

D
None of the above

Solution

While donating blood, the blood is usually stored in a flexible plastic bag, that also contains sodium citrate, phosphate, dextrose and sometimes adenine. This combination keeps the blood from clotting and preserves it during storage. This blood gets stored in blood banks.
Thus, the correct answer is option (C).

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WBC	Shape (nucleus)
Neutrophils	Multinucleated
Eosinophils	Bi-lobed
Monocytes	Kidney shaped
Thrombocytes	Eccentric
Basophils	Bi-lobed or tri-loped

Body Fluids and Circulation Test - 14

Result

Body Fluids and Circulation Test - 14

Score

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Rank

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SHARING IS CARING

Question 1

Spherical

Irregular

Oval

Spindle shaped

Solution

Question 2

Blood platelets

Immature erythrocytes

Lymphocytes

WBCs

Solution

Question 3

No WBCs

No proteins

No RBCs

None of the above

Solution

Question 4

Blood has WBC and lymph has RBC.

Blood has WBC, RBC and lymph have nothing.

Blood has RBC, WBC and lymph have WBC.

Lymph has WBC, RBC and blood have RBC.

Solution

Question 5

White blood cells

Unstriated muscle cells

Liver cells

Red blood cells

Solution

Question 6

Leukemia

Anaemia

Coronary thrombosis

Haemophilia

Solution

Question 7

Calcium

Magnesium

Sodium

Iron

Solution

Question 8

K$${^+}$$, thromboplastin

Ca$${^+}$$$${^+}$$, thromboplastin

Na$${^+}$$, Ca$${^+}$$$${^+}$$

K$${^+}$$, prothrombin

Solution

Question 9

Fibrinogen

Albumin

Serum amylase

Globulin

Solution

Question 10

Calcium sulphate

Prothrombin

Potassium or sodium citrate

None of the above

Solution

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