The Obligation to Perform Something That Is Already Required of a Person

question 22

Multiple Choice

The obligation to perform something that is already required of a person to perform is known as:

• A) preordained duty.
• B) precarious duty.
• C) preexisting duty.
• D) dysfunctional duty.

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Definitions:

Precapillary Sphincter

A band of smooth muscle that regulates blood flow into the capillaries, largely controlling the microcirculation.

Action Potentials

Electrical impulses that travel along the membrane of a nerve or muscle fiber, initiating activity or movement.

Coronary Sinus

Short trunk that receives most of the veins of the heart and empties into the right atrium.

Cardiac Veins

Blood vessels that return deoxygenated blood from the myocardium (heart muscle) to the right atrium.