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Body Fluids and Circulation · Question 72

AIPMT 2001MCQEasy📈 Topic in 50% papers+4−1
1

What is correct for blood group O?

  1. No antigens but both a and b antibodies are present
  2. A antigen and b antibody present
  3. Antigen and antibody both absent
  4. A and B antigens and a, b antibodies present

Answer

(1) No antigens but both a and b antibodies are present

Solution

As per NCERT, blood group O has neither antigen A nor antigen B on the surface of RBCs.

⇒ Its plasma contains both antibodies, anti-A (a) and anti-B (b).

∴ Group O: no antigens, but both a and b antibodies are present.

Answer: (1)

AIPMT 2001

Keep practising — Body Fluids and Circulation

2

Difference between pulmonary artery and pulmonary vein is that, the pulmonary artery has

  1. no endothelium
  2. valves
  3. thicker walls
  4. oxygenated blood
AIPMT 2000
3

In which point, pulmonary artery is different from pulmonary vein?

  1. Its lumen is broad
  2. Its wall is thick
  3. It has valves
  4. It does not possess endothelium
AIPMT 2000
4

Which statement is true for WBC?

  1. Non-nucleated
  2. In deficiency, cancer is caused
  3. Manufactured in thymus
  4. Can squeeze through blood capillaries
AIPMT 2000

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