Exam 1: Anatomy and Physiology

Match each item to the correct description below. -A negative _____ effect refers to a decrease in heart rate..

Match each item to the correct description below. -Space between the lungs that contains the heart, great vessels, trachea, and esophagus, among other structures.

Define systole.

The base of the heart is found at approximately the level of the _____ rib(s).

Stimulation of beta-adrenergic receptor sites will result in peripheral vasoconstriction.

List three types of sympathetic (adrenergic) receptor sites.

What effects can be expected from parasympathetic stimulation of the heart?

Match each item to the correct description below. -A buildup of excess blood or fluid in the pericardial space can cause cardiac _____.

The left main coronary artery divides into the _____ branches.

The apex of the heart is formed by the _____.

Thin strands of fibrous connective tissue extend from the atrioventricular (AV) valves to the papillary muscles and prevent the AV valves from bulging back into the atria during ventricular systole. These strands are called _____.

The right atrium receives blood low in oxygen from three vessels. Name them.

When the left ventricle contracts, freshly oxygenated blood flows through the _____ valve into the _____.

The anterior surface of the heart consists primarily of the _____.

Stimulation of alpha1 receptors results in _____.

Chronotropy refers to an effect on _____.

Completion -The _____ are the heart chambers that pump blood.

The primary neurotransmitter of the parasympathetic division of the autonomic nervous system is _____.

Completion -The inferior outer surface of the heart is also called the _____ surface.

Match each item to the correct description below. -Typically results when the heart's demand for oxygen exceeds its supply from the coronary circulation.