Q. Which part of the heart receives deoxygenated blood from the body? (2022)
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A.
Left atrium
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B.
Right atrium
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C.
Left ventricle
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D.
Right ventricle
Solution
The right atrium receives deoxygenated blood from the body through the superior and inferior vena cavae.
Correct Answer:
B
— Right atrium
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Q. Which type of blood vessel carries oxygenated blood away from the heart? (2022)
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A.
Veins
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B.
Capillaries
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C.
Arteries
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D.
Venules
Solution
Arteries are the blood vessels that carry oxygenated blood away from the heart to the tissues, except for the pulmonary arteries.
Correct Answer:
C
— Arteries
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Q. Which type of blood vessel is primarily responsible for nutrient and gas exchange? (2019)
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A.
Arteries
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B.
Veins
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C.
Capillaries
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D.
Arterioles
Solution
Capillaries are the smallest blood vessels and are the sites of exchange of oxygen, carbon dioxide, nutrients, and waste products.
Correct Answer:
C
— Capillaries
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Q. Which type of white blood cell is primarily involved in the immune response? (2019)
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A.
Erythrocytes
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B.
Neutrophils
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C.
Thrombocytes
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D.
Lymphocytes
Solution
Lymphocytes are a type of white blood cell that plays a key role in the immune response.
Correct Answer:
D
— Lymphocytes
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