Multiple choice

Which of the following statements are false? P. The left ventricle is the most muscular chamber of the heart. Q. Arteries have thinner walls than veins. R. The tricuspid valve is located between the left atrium and the left ventricle. S. The left atrium is also the most posteriorly situated cardiac chamber.

  1. P and Q

  2. P and R

  3. Q and R

  4. Q and S

  5. R and S
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Arteries have thicker walls than veins because the blood flows through the arteries at a much higher pressure. The tricuspid valve is located between the right atrium and the right ventricle.

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