Question : Oxygenated blood is carried by _____.
Option 1: pulmonary vein
Option 2: pulmonary artery
Option 3: hepatic portal vein
Option 4: renal vein
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Correct Answer: pulmonary vein
Solution : The correct option is a pulmonary vein.
The pulmonary vein returns oxygenated blood from the lungs to the left atrium of the heart. After receiving fresh oxygen in the lungs, this oxygenated blood is delivered to the heart, and pumped to the rest of the body via systemic circulation.
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Question : which of the following is correct about Insulin?
Option 1: increases blood sugar
Option 2: decreases blood sugar
Option 3: constricts blood vessels
Option 4: stimulates lactation
Question : A person having blood type B could safely donate blood to persons with blood types
Option 1: A and O
Option 2: B and O
Option 3: A and AB
Option 4: B and AB
Question : The element involved with blood clotting is:
Option 1: phosphorus
Option 2: calcium
Option 3: iron
Option 4: sodium
Question : The element that is not found in the blood is:
Option 1: copper
Option 2: chromium
Option 3: magnesium
Option 4: iron
Question : When N is divided by 6, the remainder is 4. When 2N is divided by 6, the remainder is:
Option 1: 2
Option 2: 0
Option 3: 3
Option 4: 1
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