Exam 1: Anatomy and Physiology

Blood pressure is the result of cardiac output and peripheral vascular resistance.

Match each item to the correct description below. -Specialized nerve tissue located in the internal carotid arteries and the aortic arch that detect changes in blood pressure

The tricuspid valve is _____.

List two factors that may affect the heart's efficiency as a pump.

Stimulation of beta2 receptor sites results in _____.

Match each item to the correct description below. -Amount of blood flowing into the right atrium each minute from the systemic circulation.

Blood flows from the left atrium through the _____ valve into the left ventricle.

Define atrial kick.

Name the valve that separates the right ventricle from the right atrium.

Briefly describe parasympathetic innervation of the heart.

What factors affect afterload?

Your patient is a 62-year-old woman complaining of a "racing heart." Your examination of the patient reveals a pulse rate of 192 beats/min. Briefly explain why recognition of a rapid heart rate is important when providing patient care.

Complete occlusion of the _____ coronary artery, also referred to as the widow maker, usually results in sudden death.

The thick, muscular middle layer of the heart wall that contains the atrial and ventricular muscle fibers necessary for contraction is the _____.

Blood flows from the right atrium through the _____ valve into the right ventricle.

Completion -_____ is the period of relaxation during which a heart chamber is filling.

A patient has a heart rate of 80 beats/min. His stroke volume is 70 mL/beat. Is his cardiac output normal, decreased, or increased?

What is meant by the term ejection fraction?

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

Blood pressure is determined by _____ multiplied by _____.