Exam 30: Anatomic and Physiologic Relationships Within the Thoracic Cavity

Defects in the valves may cause turbulence or regurgitation on auscultation, which is called _____________.

The forceful contraction of the cardiac chambers is ___________, and the relaxed phase of the cycle is ___________.

The right border of the heart is formed by the ______________.

Which one of the following structures initiates the normal cardiac impulse?

Which of the following has a slight bulge seen at the aortic valve cusps?

The pericardial sac protects the heart from:

The mitral valve separates which of the following sets of structures?

Two pulmonary veins enter posteriorly in which one of the following?

Most coronary venous drainage is into the ________________.

Atrial contraction follows the _________ on an electrocardiogram (ECG).

The superior vena cava (SVC) enters the right atrium __________.

The inferior vena cava is guarded by a fold of tissue called the _____ valve, whereas the coronary sinus is guarded by the _____ valve.

The base of the heart is formed by the ______________.

The greatest muscle mass in the heart is found in which one of the following structures?

Approximately how many beats per minute is the normal adult heart rate?

Which valve prevents retrograde flow between the aorta and left ventricle?

Select the structure that the medial wall of the right atrium contains.

The roof of the right ventricle is occupied by the _______________, which lies between the tricuspid and pulmonary orifices.

The apex of the heart is formed by the _____________.

The most posterior chamber to the left of the sternum is the ___________.