Which of the Following Statements Are True of the Valves

question 87

Multiple Choice

Which of the following statements are true of the valves of the heart? (Read carefully and select all of the correct statements.)

• A)The pulmonary and aortic valves are important to prevent backflow of blood when the ventricles contract.
• B)The right and left atrioventricular (AV)valves are important to prevent backflow of blood when the ventricles relax.
• C)The pulmonary and aortic valves prevent backflow of blood from arteries to ventricles.
• D)The edges of the semilunar valves are anchored by the chordae tendineae and papillary muscles.
• E)The right and left AV valves prevent backflow of blood from atria to ventricles.
• F)The valve openings are kept from stretching by the fibrous skeleton of the heart.

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Definitions:

Motivational Techniques

Strategies and approaches used to inspire or encourage individuals to achieve specific goals or engage in certain behaviors.

Free Weights

Exercise equipment such as dumbbells or barbells that are not attached to a machine and can be moved freely in any direction.

Dumbbells

A type of free weight used in weight training, which can be used individually or in pairs for various exercises.

Barbells

A long metal bar to which different weights can be attached for lifting exercises, used in strength training.