A Patient Has a Problem with Semilunar Valve Function

question 62

Multiple Choice

A patient has a problem with semilunar valve function.You would expect to see a problem with the normal structure in the heart intended to

• A) prevent arterial blood from reentering the ventricles.
• B) prevent blood from re-entering the atria when ventricles contract.
• C) prevent the backflow of blood in large veins.
• D) are located between the atria and ventricles.
• E) prevent blood from entering the arteries.

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Definitions:

Common Cause Variation

The variation in a process that is random and inherent to the process itself, as opposed to being caused by identifiable factors.

Conjugate Acid

The species formed when a base gains a proton (H+), effectively showing the protonated form of the base.

Conjugate Base

The species that remains after a Bronsted-Lowry acid has donated a proton, capable of accepting a proton to reform the acid.

Acid/Base Reaction

A chemical reaction that involves the transfer of protons (H+) between a base (proton acceptor) and an acid (proton donor).