When Epinephrine Combines with Alpha Adrenergic Receptors on Smooth Muscle

question 47

Short Answer

When epinephrine combines with alpha adrenergic receptors on smooth muscle in intestinal blood vessels, the blood vessels ________; however, when epinephrine binds to beta-2 adrenergic receptors on certain skeletal muscle blood vessels, the vessels ________.

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Definitions:

Arousal

A state of physiological and psychological readiness or excitement, often sexual in nature but can also refer to general alertness or wakefulness.

Abrasion

A wound caused by superficial damage to the skin, typically not deeper than the epidermis.

-esis

A suffix used in medical terminology to denote a process or condition.

-us

A morphological ending in Latin or Greek used in medical terminology, typically indicating a masculine singular noun.