Chapter 15 - Cardiovascular - Mastery Test

How many liters of blood does the heart pump in a day?

• 7,000- 9,000

• 5- 10

• 600- 700

• 1 million- 2 million

What are the 2 circuits of the cardiovascular system?

There are 2 correct answers.

• Pulmonary circuit (to the lungs)

• Systemic circuit (to the body)

• Electrical circuit (to the nerves)

• Reproductive circuit (to the ovaries)

The heart is a cone-shaped, muscular pump located within the ___________ of the thoracic cavity.

• Diaphragm

• Sternum

• Mediastinum

• Ribcage

The apex of the heart is located:

• Beneath the sternum, in the 5th intercostal space

• In the 2nd intercostal space, below the sternum

• In the 4th intercostal space, in the midaxillary line

• In the 5th intercostal space, about 3 inches left of the midline

The visceral pericardium corresponds to the...

• Epicardium

• Myocardium

• Endocardium

• Parietal pericardium

Purkinje fibers are located in the

• Epicardium

• Myocardium

• Endocardium

• Parietal pericardium

The UPPER chambers of the heart are the right and left

• Atria

• Ventricles

The LOWER chambers of the heart are the right and left

• Atria

• Ventricles

Small, ear-like projections that increase atrial volume are called

• Auricles

• Purkinje fibers

• Ventricles

• Valves

The vessels that empty into the upper right chamber of the heart are the

• Inferior and superior venae cavae

• Pulmonary veins

• Pulmonary arteries

• Aorta