AIPMT MAINS 2010 Zoology Circulatory System Multiple Correct Question
Given below are four statements (a-d) regarding human blood circulatory system
(a) Arteries are thick-walled and have narrow lumen as compared to veins
(b) Angina is acute chest pain when the blood circulation to the brain is reduced
(c) Persons with blood group AB can donate blood to any person with any blood group under ABO system
(d) Calcium ions play a very important role in blood clotting
Which two of the above statements are correct?
(a) & (d)
(a) & (b)
(b) & (c)
(c) & (d)
Correct Answer
Detailed Explanation
Angina is due to reduced blood supply to heart wall. Person with blood group AB is universal recipient.
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