Which is the largest vein in the body?

Unlock all questions

This demo includes only 20 questions. Upgrade to access hundreds of questions, flashcards, exam simulations, and disable ads.

Full question bankExam simulationsFlashcards
From $24.99Unlock all

Prepare for the CIEMT Medical and Physiology Exam. Study with flashcards and multiple-choice questions that feature explanations. Ace your test!

Multiple Choice

Which is the largest vein in the body?

Explanation:
Veins that return blood to the heart vary in size, and the largest of these vessels are the venae cavae, which bring most of the blood back to the heart. In particular, the inferior vena cava has the widest diameter because it drains the entire lower body, so it handles a large volume of blood. That makes it the largest vein in this context. Capillaries are microscopic exchange vessels and are the smallest; a vein is a broad category, but none are as large as the vena cava; the right atrium is a chamber of the heart, not a vessel.

Veins that return blood to the heart vary in size, and the largest of these vessels are the venae cavae, which bring most of the blood back to the heart. In particular, the inferior vena cava has the widest diameter because it drains the entire lower body, so it handles a large volume of blood. That makes it the largest vein in this context. Capillaries are microscopic exchange vessels and are the smallest; a vein is a broad category, but none are as large as the vena cava; the right atrium is a chamber of the heart, not a vessel.

More Multiple Choice Questions
Subscribe

Get the latest from Examzify

You can unsubscribe at any time. Read our privacy policy