Question Detail

ZOO 101 ZOO 101 Past Questions Objective Question
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Question

Which structure in the mammalian heart prevents backflow of blood into the left atrium?
Options
A Tricuspid valve
B Bicuspid (mitral) valve
Correct Answer
C Pulmonary valve
D Aortic valve
Correct Answer

Option B is the correct answer.

Detailed Explanation

The bicuspid or mitral valve is located between the left atrium and left ventricle. It closes during ventricular systole to prevent regurgitation of blood into the atrium.

Hint

This valve has two cusps and is also called the mitral valve.

Question Info

Course: ZOO 101
Topic: ZOO 101 Past Questions
Type: Objective
Difficulty: Not specified
Question 61 of 2214
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