NEET UG BIOLOGY MCQ: BODY FLUIDS AND CIRCULATION

1 Medium

1 of 1

Understanding +4 | -1

The ‘ventricular systole’ increases the ‘intra ventricular pressure’. It results in the closure of

View answer and explanation

Correct option: B

Tricuspid and bicuspid valves

Option B (Tricuspid and bicuspid valves) is correct because the increase in intraventricular pressure during ventricular systole causes the atrioventricular valves (tricuspid and bicuspid) to close, preventing backflow of blood into the atria.

More Questions from BODY FLUIDS AND CIRCULATION

Practice All Chapter MCQs →

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