1.
The heart is located in the ___________ cavity.
A. 
B. 
C. 
D. 
2.
The top of the heart, or its base, lies just below the _____ rib.
A. 
B. 
C. 
D. 
3.
The bottom of the heart is known as the ____.
A. 
B. 
C. 
D. 
4.
An athlete's heart usually weighs more than that of the average person while an elderly person's weighs less.
5.
The heart is made up of three layers: the epicardium, myocardium and the _____
6.
The myocardium makes up the smallest portion of the hearts wall.
7.
The layer of connective tissue that surrounds the heart is called _______
A. 
B. 
C. 
D. 
8.
The fibrous and serous pericardium layers are seperated by a thin, clear liquid called pericardial fluid.
9.
Pericardial effusion, a condition of having excess pericardial fluid, can _________
A. 
Compromise the lung's ability to receive oxygen.
B. 
Block the the SA node from firing.
C. 
Cause over production of red blood cells.
D. 
Compromise the heart's ability to pump blood.
10.
The heart contains four chambers - two atria and two ventricles.
11.
The right atria receives
A. 
B. 
C. 
Oxygen from the pulmonary artery.
D. 
None. It acts as a reservoir.
12.
The ___________ divides the right and left atrium and helps them contract.
A. 
B. 
C. 
D. 
13.
The ______________ septum seperates the left and right ventricles.
14.
Because the atria collect blood, their walls are thicker than the ventricles.
15.
The atrioventricular valves are:
A. 
B. 
C. 
D. 
16.
Give the names of the two atrioventricular (AV) valves.
17.
The semilunar valves include the aortic and the _______.
18.
What age does a child have to reach before his/ her heart is located in the same position as an adults?
A. 
B. 
C. 
D. 
19.
The mitral valve is located between the
A. 
Right atrium and right ventricle.
B. 
The left atrium and left ventricle.
C. 
The right ventricle and pulmonary artery.
D. 
The superior vena cava and right atrium.
20.
The mitral valve has two cusps and the tricuspid valve has three.
21.
The right ventricle pumps blood through the pulmonic valve into the pulmonary arteries and then into the lungs. From the lungs, blood flows through the pulmonary veins and empties into the left atrium. What is this cycle called?
A. 
B. 
C. 
D. 
22.
When the left ventricle pumps blood through the aortic valve into the aorta and then throughout the body, this is referred to as _________.
A. 
B. 
C. 
Isovolumetric relaxation.
D. 
23.
The ________ arteries supply the heart muscle with blood and oxygen.
24.
The coronary ostium is _________
A. 
B. 
A coronary artery disease.
C. 
Located in the left atria.
D. 
25.
The __________ artery supplies oxygenated blood to the lateral walls of the left ventricle, left atrium and sometimes the SA node.