Question
Given below are four statements (i-iv) regarding human blood circulatory system
(i) Arteries are thick-walled and have narrow lumen as compared to veins
(ii) Angina is acute chest pain when the blood circulation to the brain is reduced
(iii) Persons with blood group AB can donate blood to any person with any blood group under ABO system
(iv) Calcium ions play a very important role in blood clotting
Which two of the above statements are correct ?
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Answer: ASolution: Angina is actute chest pain when the blood circulation to the heart is reduced. Person with blood group AB can receive blood from any person with any blood group under ABO system.
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Question 3
Which of the following statements (s) regarding the cardiac system is/are correct ? (i) Human heart is an ectodermal derivative
(ii) Mitral valve guards the opening between the right atrium and left ventricle
(iii) SAN is located on the left upper corner of the right atrium
(iv) Stroke volume Heart rate = Cardiac output.
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Question Text | Given below are four statements (i-iv) regarding human blood circulatory system (i) Arteries are thick-walled and have narrow lumen as compared to veins (ii) Angina is acute chest pain when the blood circulation to the brain is reduced (iii) Persons with blood group AB can donate blood to any person with any blood group under ABO system (iv) Calcium ions play a very important role in blood clotting Which two of the above statements are correct ? |
Answer Type | Text solution:1 |
Upvotes | 150 |