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Circulatory System - 1

Description: 20
Number of Questions: 20
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Tags: 20 Blood Vessels Structure of Vein, Artery and Capillary Circulatory System
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Which of the following is not a function of Lymph?

  1. Lymph contains lymphocytes which destroys harmful pathogens.

  2. It filters out bacteria through the lymph nodes or lymph glands.

  3. It controls the concentration of proteins in the tissue fluid.

  4. It absorbs fatty acids and glycerols through the lacteals and villi.

  5. It transports water and digested food from the digestive tract to other organs.

Show answer
Correct Option: E
Explanation:

It is the function of blood not lymph.

Which of the following is not the property of Arteries?

  1. They are the distributing vessels of the body.

  2. Coronary artery supplies blood to the brain.

  3. They have thick and elastic walls.

  4. They have a narrow lumen.

  5. Pulmonary artery carries de-oxygenated blood.

Show answer
Correct Option: B
Explanation:

This statement is wrong. Coronary artery supplies blood to the heart.

Which of the following statements is correct?

  1. Capillaries are the thinnest vessels and are lined by single layered epithelium.

  2. Veins do not have valves in them.

  3. Blood is the chief circulating medium of some invertebrates and all chordates.

  4. Blood is fluid connective tissue and forms 10-15% of the intra-cellular fluid.

  5. Volume of blood is about 5 litres in an adult person and it forms about 17-18% of the total body weight.

Show answer
Correct Option: C
Explanation:

This statement is correct.

In body of a normal adult human, how much extra-cellular fluid (ECF) is present?

  1. 25 liters

  2. 15 liters

  3. 1500 ml

  4. 2500 ml

  5. 20 liters

Show answer
Correct Option: B
Explanation:

In body of a normal adult human, about 15 liters of extra-cellular fluid (ECF) is present.

Study of blood circulation in the body is called _______.

  1. haematology

  2. serology

  3. neurology

  4. angiology

  5. cardiology

Show answer
Correct Option: D
Explanation:

It is the study of blood circulation in the body.

Which of the following is not a stain of blood?

  1. Leishman’s stain

  2. Gention violet

  3. Methyline blue

  4. Giema’s stain

  5. Silver chloride

Show answer
Correct Option: E
Explanation:

This is not any kind of stain  used for staining blood.

Haemoglobin is found only in _____________.

  1. WBC

  2. RBC

  3. plasma

  4. platelets

  5. pus cells

Show answer
Correct Option: B
Explanation:

Haemoglobin is found in RBC’s only. They carry iron content in them.

The number of RBC’s in men is __________.

  1. 5,00,000 per millimeter cube

  2. 50,00,000 per millimeter cube

  3. 50,000 per millimeter cube

  4. 5,000 per millimeter cube

  5. 25,000 per millimeter cube

Show answer
Correct Option: B
Explanation:

This the correct answer.

The human body is protected from invading bacteria by ________.

  1. RBC

  2. platelets

  3. plasma

  4. WBC

  5. lymph

Show answer
Correct Option: D
Explanation:

The human body is protected from invading bacteria by the WBC. They play a major role in the body defense mechanism.

What is the WBC count of a normal adult male?

  1. 8000 - 12000 per cubic millimeter.

  2. 2000 - 4000 per cubic millimeter.

  3. 1000 - 3000 per cubic millimeter.

  4. 4000 - 8000 per cubic millimeter.

  5. 6000 - 10000 per cubic millimeter.

Show answer
Correct Option: D
Explanation:

The number of WBCs in adult male is 4000 - 8000 per cubic millimeter.

The blood plasma from which fibrinogen has been removed is called __________.

  1. lymph

  2. clot

  3. serum

  4. platelet

  5. whole plasma

Show answer
Correct Option: C
Explanation:

The blood plasma from which fibrinogen has been removed is called serum.

Which of the following pair is not correctly matched?

  1. Largest vein in human body – superior vena cava

  2. Largest artery – dorsal aorta

  3. Smallest blood vessel – capillary

  4. Renal vein – carrier of least amount of urea

  5. Hepatic vein – carrier of maximum amount of urea

Show answer
Correct Option: A
Explanation:

This is the incorrectly matched pair. Largest vein in human body – inferior vena cava, is the correct pair.

Oxygen is transported in the blood in the form of ______.

  1. a gas

  2. haemoglobin

  3. oxy-haemoglobin

  4. carboxy-haemoglobin

  5. solution

Show answer
Correct Option: C
Explanation:

Oxygen is transported in the blood in the form of Oxy-haemoglobin.

The blood vessel supplying blood to the kidney is the __________.

  1. renal vein

  2. renal artery

  3. dorsal aorta

  4. inferior vena cava

  5. ventral aorta

Show answer
Correct Option: B
Explanation:

It supplies blood to the kidney.

The blood vessel that begins and ends in capillaries is the __________.

  1. hepatic artery

  2. hepatic vein

  3. renal artery

  4. hepatic portal vein

  5. renal vein

Show answer
Correct Option: D
Explanation:

It is the blood vessel that begins and ends in capillaries.

What happens if the spleen of the man is removed?

  1. WBC production will be lowered.

  2. Removal of dead RBCs will not take place.

  3. Antibody production will be decreased.

  4. RBC production will be stopped.

  5. WBC production will be increased.

Show answer
Correct Option: A
Explanation:

It is because  WBCs are produced in the spleen of a man.

Blood pressure is measured by ________.

  1. electrocardiogram (ECG)

  2. sphygmomanometer

  3. stethoscope

  4. pulse oximeter

  5. thermometer

Show answer
Correct Option: B
Explanation:

Blood pressure is measured by Sphygmomanometer.

What is blood pressure?

  1. The pressure of blood on the heart muscles.

  2. The pressure of blood exerted on the walls of arteries and veins.

  3. The pressure of blood on the walls of veins only.

  4. The pressure of blood on the walls of arteries only.

  5. The pressure of blood on the walls of capillaries only.

Show answer
Correct Option: B
Explanation:

This is the correct answer.

The beating of heart of man is heard on the left side, because __________.

  1. The left ventricle is towards the left side.

  2. Both the ventricles are toward the left side.

  3. Contraction of heart is powerful on left side.

  4. The dorsal aorta is on the left side.

  5. Both the auricles on the left side.

Show answer
Correct Option: C
Explanation:

This option is correct.

Arteries are

  1. thick walled and blood flows under high pressure

  2. thin walled and blood flows under high pressure

  3. thick walled and blood flows under low pressure

  4. thick walled and blood flows at the atmospheric pressure

  5. thin walled and blood flows under low pressure

Show answer
Correct Option: A
Explanation:

This is the correct answer.

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