NBE Cardiac Anatomy & Physiology 3

Question 1

The tricuspid valve is located between which two cardiac chambers?

Accepted Answer

Right atrium and right ventricle

Answer

Left atrium and left ventricle

Answer

Right ventricle and pulmonary artery

Answer

Left ventricle and aorta

Question 2

Which structure electrically delays conduction between the atria and ventricles to allow ventricular filling?

Accepted Answer

Atrioventricular node

Answer

Sinoatrial node

Answer

Bundle of His

Answer

Purkinje fibers

Question 3

Normal right ventricular systolic pressure (RVSP) at rest is approximately:

Accepted Answer

15–30 mmHg

Answer

5–15 mmHg

Answer

30–50 mmHg

Answer

50–70 mmHg

Question 4

The moderator band is an anatomical structure found in which cardiac chamber?

Accepted Answer

Right ventricle

Answer

Left atrium

Answer

Left ventricle

Answer

Right atrium

Question 5

Afterload is primarily determined by:

Accepted Answer

Systemic vascular resistance

Answer

Ventricular end-diastolic volume

Answer

Heart rate

Answer

Preload reserve

Question 6

The eustachian valve (valve of the inferior vena cava) is located at the junction of which vessel and chamber?

Accepted Answer

Inferior vena cava and right atrium

Answer

Superior vena cava and right atrium

Answer

Coronary sinus and right atrium

Answer

Pulmonary vein and left atrium

Question 7

In a normal heart, cardiac output is the product of:

Accepted Answer

Heart rate and stroke volume

Answer

Stroke volume and systemic vascular resistance

Answer

Ejection fraction and preload

Answer

End-diastolic volume and afterload