Which of the Following Statements Are True of the Valves

question 8

Multiple Choice

Which of the following statements are true of the valves of the heart (Select all that apply) ?

• A)The pulmonary and aortic valves are important to prevent backflow of blood when the ventricles contract.
• B)The right and left 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.

---

Definitions:

Bottom-Up Processing

An approach to information processing that starts with small, detailed data points to build up a comprehensive picture.

Retinal Image

A proximal stimulus for vision consisting of the projection of light waves reflected from stimuli and projected to a surface at the back of the eye.

Featural Analysis Theory

A theory in cognitive psychology that suggests objects are broken down into their component features for recognition and processing.

Haptic

The science of touch and its applications, particularly in technology to simulate the experience of touch.