• Human Anatomy and Physiology - 2
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Human Anatomy and Physiology - 2

Description: Human Anatomy and Physiology - I
Number of Questions: 20
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Tags: Human Anatomy and Physiology - I Circulatory System Functions of Blood Composition of Blood Blood Coagulation
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Which of the following does not circulate in the body?

  1. Blood

  2. Lymph

  3. Aqueous humour

  4. Tissue fluid

Show answer
Correct Option: C
Explanation:

Aqueous humour is a non-circulating fluid found in the eye.

Which component of blood is responsible for production of antibodies?

  1. White blood cells

  2. Red blood cells

  3. Platelets

  4. Plasma

Show answer
Correct Option: A
Explanation:

White blood cells produce antibodies.

Which of the following functions is not performed by blood?

  1. Transportation of carbon dioxide

  2. Regulation of water content of body

  3. Distribution of heat in body

  4. Protection of body from diseases

Show answer
Correct Option: B
Explanation:

Water content of body is regulated by kidneys.

Which of the following organs are responsible for maintaining blood sugar in proper concentration? (i) Liver

(ii) Heart

(iii) Kidneys

(iv) Lungs

(v) Spleen

  1. (i) and (v)

  2. (i) and (iii)

  3. (ii) and (iv)

  4. (ii) and (v)

Show answer
Correct Option: B
Explanation:

Liver and kidneys maintain blood sugar in normal concentration, when it gets low or high.

A student is observing a blood smear slide under light microscope and observes minute biconcave disc-like structures. Which of the following are these structures?

  1. Red blood cells

  2. White blood cells

  3. Platelets

  4. Haemoglobin

Show answer
Correct Option: A
Explanation:

Red blood cells are thick and have biconcave disc-like shape and rounded periphery. These cells are flat in the centre.

Which of the following is the most stable compound?

  1. Oxyhaemoglobin

  2. Carboxyhaemoglobin

  3. Carbaminohemoglobin

  4. None of these

Show answer
Correct Option: B
Explanation:

Carbon monoxide combines with haemoglobin to form carboxy-haemoglobin, which cuts down the capacity of blood to transport oxygen.

Which of the following components of blood make it feasible to use vaccines for protection against certain diseases?

  1. Neutrophils

  2. Eosinophils

  3. Lympocytes

  4. Basophils

Show answer
Correct Option: C
Explanation:

Lymphocytes produce antibodies on stimulation from vaccines. These antibodies would destroy the particular disease causing germs, if they enter the body.

A person has deficiency of factor X in his blood. Which of the following processes will be affected in his body?

  1. Blood clotting

  2. Respiration

  3. Digestion

  4. Detoxification

Show answer
Correct Option: A
Explanation:

Factor X or thrombokinase is required for blood clotting.

Blood report of a patient shows abnormal increase in WBC count. From which of the following is he suffering?

  1. Anemia

  2. Infection

  3. Diabetes

  4. Heart attack

Show answer
Correct Option: B
Explanation:

WBC count usually increases abnormally in case of infection.

A person has deficiency of vitamin K. From which of the following conditions will he suffer?

  1. Blood clots in 1 – 2 minutes.

  2. Blood coagulates spontaneously.

  3. Blood clots in 10 – 12 minutes.

  4. Blood clots in 30 minutes

Show answer
Correct Option: C
Explanation:

Bleeding time increases in case of deficiency of vitamin K.

Which of the following is not true for white blood cells?

  1. WBCs undergo diapedesis.

  2. WBCs do not contain haemoglobin and nucleus.

  3. WBCs are amoeboid in nature.

  4. WBCs are much less in number than platelets.

Show answer
Correct Option: B
Explanation:

WBCs do not contain haemoglobin but they contain nucleus.

A surgeon wants to transplant bone marrow from an adult donor to a patient. Which of the following bones will not be selected for the extraction of bone marrow?

  1. Bones of skull

  2. Sternum

  3. Vertebrae

  4. Shaft of thigh bone

Show answer
Correct Option: D
Explanation:

Shaft of thigh bone does not have active bone marrow in adults. Only flat and long bones have active marrow in adults.

Which of the following cells will be the most abundant when a normal person's blood smear is observed under light microscope?

  1. Neutrophils

  2. Monocytes

  3. Basophils

  4. Eosinophils

Show answer
Correct Option: A
Explanation:

Neutrophiles constitute about 70% of total WBCs and therefore, more numerous in blood serum slide.

The site of bee sting turns red, swells and becomes hot. Which of the following components of blood are responsible for this change?

  1. Leucocytes

  2. RBC's

  3. Platelets

  4. Blood proteins

Show answer
Correct Option: A
Explanation:

These are signs of inflammation that are brought by action of leucocytes.

Which of the following statements is not true regarding blood?

  1. Blood is never stationary in the body.

  2. Colour of blood varies in arteries and veins.

  3. Blood constitutes 8% – 10% of the body mass.

  4. Blood is slightly acidic.

Show answer
Correct Option: D
Explanation:

Blood is slightly alkaline in nature.

Which of the following does not have dead and destroyed red blood cells?

  1. Liver

  2. Spleen

  3. Bone marrow

  4. Heart

Show answer
Correct Option: D
Explanation:

RBCs are destroyed in the liver, spleen and bone marrow.

Match the following liquids with their locations:

 
(i) Blood (A) Spleen
(ii) Aqueous humour (B) Skeleton joints
(iii) Synovial fluid (C) Eye
(iv) Lymph (D) Capillaries

  1. (i) – (D), (ii) – (A), (iii) – (B), (iv) – (C)

  2. (i) – (C), (ii) – (A), (iii) – (D), (iv) – (B)

  3. (i) – (D), (ii) – (C), (iii) – (B), (iv) – (A)

  4. (i) – (A), (ii) – (C), (iii) – (D), (iv) – (C)

Show answer
Correct Option: C
Explanation:

Blood is present in capillaries; aqueous humour in eye; synovial fluid in joints and lymph in spleen.

Which of the following statements is true for serum?

  1. Glucose free plasma

  2. Fibrinogen free plasma

  3. Amino acid free plasma

  4. Urea free plasma

  5. Fatty acid free plasma

Show answer
Correct Option: B
Explanation:

Plasma from which fibrinogen has been removed is called serum.

Which of the following is not true for red blood cells?

  1. Their shape makes them very efficient in absorbing oxygen.

  2. Their size enables them to travel through fine capillaries.

  3. Their mitochondria enables them to transport carbon dioxide.

  4. Their high efficiency for absorbing oxygen is due to loss of nucleus.

Show answer
Correct Option: C
Explanation:

Red blood cells in humans are devoid of mitochondria.

Match the following white blood cells with their properties. ||| |---|---| | (i) Neutrophils| (A) Detoxify germs| | (ii) Eosinophils| (B) Produce histamine| | (iii) Basophils| (C) Phagocytosis| | (iv) Lymphocytes| (D) Produce antibodies|

  1. (i) – (D), (ii) – (C), (iii) – (A), (iv) – (B)

  2. (i) – (C), (ii) – (A), (iii) – (B), (iv) – (D)

  3. (i) – (B), (ii) – (D), (iii) – (A), (iv) – (C)

  4. (i) – (D), (ii) – (C), (iii) – (B), (iv) – (A)

Show answer
Correct Option: B
Explanation:

Neutrophils: Phagocytosis Eosinophils: Detoxify germs Basophils: Produce histamine Lymphocytes: Produce antibodies

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