Body Fluids and Circulation Test

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Body Fluids and Circulation Test - 55

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Weekly Quiz Competition

Question 1
1 / -0

Incomplete double circulation is seen in

A
Fish

B
Amphibians

C
Birds

D
Mammals

E
Arthropods

Solution

In incomplete double circulation, blood comes to the heart by two different routes but goes out through a single route, and amphibian heart is three chambered left atrium and right atrium and single ventricle. Hence blood oxygenated blood comes through the left atrium and deoxygenated blood comes through right atrium to the heart and goes out a through a single ventricle.
So, the correct answer is option B.

Question 2

1 / -0

In terms of descending order of percentage proportions of leucocytes in human blood, which one is correct?

Neutrophils $$\to$$ lymphocytes $$\to$$ monocytes $$\to$$ acidophils $$\to$$ basophils

Neutrophils $$\to$$ basophils $$\to$$ lymphocytes $$\to$$ acidophils monocytes

Neutrophils $$\to$$ monocytes $$\to$$ lymphocytes $$\to$$ acidophils $$\to$$ basophils

Neutrophils $$\to$$ acidophils $$\to$$ basophils $$\to$$ lymphocytes $$\to$$ monocytes

Solution

Cells

Percentage proportion of
total leucocyte count

$$Cells/mm^3$$ of blood

Neutrophils

60-70%

4000-5000 cells/$$mm^3$$

Lymphocytes

20-40%

1500-2500 cells/$$mm^3$$

Monocytes

2-7%

200-700 cells/$$mm^3$$

Acidophils

1-5%

70-300 cells/$$mm^3$$

Basophils

0.5-2.7%

35-150 cells/$$mm^3$$

Thus, the correct answer is (A).

Question 3
1 / -0

Thrombokinase is associated with

A
Ellimination of urea and other excreatory products from the body.

B
Production of erythrocytes from the bone marrow.

C
Pulmonary and systematic circulation.

D
Cardiac cycle and its regulation

E
Enzymatic reactions in coagulation of blood.

Solution

Thrombokinase is a substance present in platelets which are necessary for coagulation of blood. Thromboplastin helps in the conversion of prothrombin to thrombin in the presence of calcium which is the vital step in coagulation of blood.
Hence, the correct option is E.
Question 4
1 / -0

The diagram given here is the standard ECG of a normal person. The P-wave represents the :

A
Contraction of both the atria

B
Initiation of the ventricular contraction

C
Beginning of the systole

D
'End of systole
Solution
Correct Option: A

Explanation:
- ECG stands for electrocardiograph and it represents electrical activity of the heart during cardiac cycle graphically.
- P wave represents the electrical excitation or depolarization of atri, that is, the contraction of the atria.
- The QRS complex represents depolarization of ventricles, that is, ventricles contract.
- T wave represent repolarization.
Hence, the P-wave represents the contraction of both atria.
Question 5
1 / -0

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

A
Red blood cell

B
White blood cell

C
Unstriated muscles cell

D
Liver cell
Solution
- The presence of mitochondria means that all cells are metabolically active and are capable of aerobic respiration.
- Since red blood cells lack cell organelles & nuclei at maturity aerobic respiration does not occur in them.
- The rest of the given cells have nucleus & organelles in them.
So, the correct option is A.
Question 6
1 / -0

Agranulocytes are

A
Lymphocytes and monocytes

B
Eosiniphilis and basophils

C
Lymphocytes and eosinophils

D
Basophils and monocytes
Solution
Leucocytes without clearly visible granules are called agranular leucocytes or agranulocytes. There are two types of agranulocytes: lymphocytes and monocytes.
Lymphocytes: Lymphocytes comprises 20-25 percent of the total WBCs. They are usually the second most numerous type of leucocytes. They are small cells with round nuclei and little cytoplasm. They exist in two major forms, namely B and T lymphocytes and are responsible for immune response of the body.
Monocytes: They are the largest leucocytes and are amoeboid in shape. They have kidney or horse-shoe shaped nuclei. They spend about 30-40 hours in the blood and then enter the tissues where they become macrophages. Macrophages are phagocytic in nature and engulf bacteria and other cellular debris.
Hence the correct option is A.
Question 7
1 / -0

How many of the following nutrients, follow following route of absorption
Blood capillaries $$\rightarrow$$ Mesentric vein $$\rightarrow$$ Hepatic portal vein $$\rightarrow$$ Liver $$\rightarrow$$ Hepatic vein $$\rightarrow$$ IVC $$\rightarrow$$ Heart $$\rightarrow$$ Body
(i) Glucose
(ii) Galactose
(iii) Fructose
(iv) L-amino acids
(v) D-amino acids
(vi) Long chain fatty acids.

A
Six

B
Five

C
Only one

D
Three.
Question 8
1 / -0

Name the blood cells, whose reduction in number can cause clotting disorder, leading to excessive loss of blood from the body

A
Erythrocytes

B
Leucocytes

C
Neutrophills

D
Thrombocytes
Solution
Correct Option: D

Explanation:
- Thrombocytes, also known as platelets, help in the clotting of blood by creating a mesh around the injured part.
- Erythrocytes carry oxygen from the lungs to the body tissues and bring carbon dioxide from the body tissues to the lungs.
- Leukocytes protect the body against infection.
- Neutrophils help heal damaged tissues and resolve infections.
Hence, Thrombocytes are the blood cells, whose reduction in number can cause clotting disorder, leading to excessive loss of blood from the body
Question 9
1 / -0

Which of the following vessels has more nutrients than others?

A
Vein arising from liver

B
Superior Vena cava

C
Vein arising from muscles

D
Vein arising from Kidney

Solution

In general, the vein carries deoxygenated blood to the heart from other body parts.
The hepatic portal vein carries nutrients from the intestine to the liver.
So, the correct option is A.
Question 10
1 / -0

Increase in heart beat, occurrence of perspiration ,shivering and fits indicates

A
Schizophrenia

B
Attention deficit disorder

C
Obscessive compulsive disorder

D
Anxiety disorder

Solution

Anxiety disorders are mental illnesses that disturb a person mentally, emotionally and psychologically. Anxiety is body's response to stress. There is feeling of anxiousness or nervousness. People get panic and worried over little things. Over-reaction to a stressful event, increased heart beat, sweating (perspiration) are some common symptoms shown by a distressed person. Shivering or shaking, fits (lapse of muscle jerks) and depression are also seen in affected persons.
So, the correct answer is 'Anxiety disorder'.

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Re-Attempt Weekly Quiz Competition

Body Fluids and Circulation Test - 55

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Body Fluids and Circulation Test - 55

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SHARING IS CARING

Question 1

Fish

Amphibians

Birds

Mammals

Arthropods

Solution

Question 2

Neutrophils $$\to$$ lymphocytes $$\to$$ monocytes $$\to$$ acidophils $$\to$$ basophils

Neutrophils $$\to$$ basophils $$\to$$ lymphocytes $$\to$$ acidophils monocytes

Neutrophils $$\to$$ monocytes $$\to$$ lymphocytes $$\to$$ acidophils $$\to$$ basophils

Neutrophils $$\to$$ acidophils $$\to$$ basophils $$\to$$ lymphocytes $$\to$$ monocytes

Solution

Question 3

Ellimination of urea and other excreatory products from the body.

Production of erythrocytes from the bone marrow.

Pulmonary and systematic circulation.

Cardiac cycle and its regulation

Enzymatic reactions in coagulation of blood.

Solution

Question 4

Contraction of both the atria

Initiation of the ventricular contraction

Beginning of the systole

'End of systole

Solution

Question 5

Red blood cell

White blood cell

Unstriated muscles cell

Liver cell

Solution

Question 6

Lymphocytes and monocytes

Eosiniphilis and basophils

Lymphocytes and eosinophils

Basophils and monocytes

Solution

Question 7

Six

Five

Only one

Three.

Question 8

Erythrocytes

Leucocytes

Neutrophills

Thrombocytes

Solution

Question 9

Vein arising from liver

Superior Vena cava

Vein arising from muscles

Vein arising from Kidney

Solution

Question 10

Schizophrenia

Attention deficit disorder

Obscessive compulsive disorder

Anxiety disorder

Solution

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