NEET UG BIOLOGY MCQ: BODY FLUIDS AND CIRCULATION

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It is commonly said that ladies are protected from heart attacks in reproductive period i.e., from puberty to menopause because;

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Correct option: A

Level of HDL is high due to oestrogen production

Option A (Level of HDL is high due to oestrogen production) is correct because estrogen increases HDL levels, which helps protect against heart attacks.

More Questions from BODY FLUIDS AND CIRCULATION

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In ABO blood grouping, person with blood group

{O^ - }

can accept blood from On a beautiful sunny day, a man went for jogging and climbed few stairs in the park. His heart starts beating 95 times per minute. In left ventricle, the volume of blood at the end of ventricular systole is

60 \,\mathrm{~mL}

whereas the volume of blood at the end of ventricular diastole was

140 \,\mathrm{~mL}

. What is the cardiac output in this person? Which area allows the atria to completely empty as the ventricles fill with blood? Serum is Identify the wrong statement with reference to the gene ‘I’ that controls ABO blood groups The action potential is conducted to the ventricles by AVN. Damage to AVN results in