What Prevents Oxygen-Rich Blood from Mixing with Oxygen-Poor Blood in the Heart

question 10

Multiple Choice

What prevents oxygen-rich blood from mixing with oxygen-poor blood in the heart?

• A)The tricuspid valve
• B)The fibrous pericardium
• C)The aortic and pulmonary semilunar valves
• D)The interatrial and interventricular septa
• E)The intercalated discs

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Definitions:

Repression

A defense mechanism in psychoanalytic theory where unpleasant or traumatic memories are unconsciously excluded from conscious thought.

Decay

The process of gradual deterioration or the breakdown of organic matter, or, in terms of memory, the fading of information over time when it is not actively maintained or rehearsed.

Retrieval

The process of getting information out of memory storage and back into conscious awareness.

Retention

The ability to hold onto or keep information in the memory over time.