How can we help?

You can also find more resources in our Help Center.

15 terms

Anatomy: Heart

STUDY
PLAY
What are the 4 chambers of the heart?
Right atrium, left atrium, right ventricule and left ventricle.
Why do the A-V vales close?
To prevent blood from flowing back into the atria when the ventricles are contracting.
Which blood vessel does NOT bring deoxygenated blood directly to the heart?

A. Pulmonary vein
B. Coronary Sinus
C. Inferior Vena cava
D. Superior Vena Cava
A. Pulmonary vein
A valve damaged by rheumatic fever fails to open completely. This is known as:

A. Stenosis
B. Heart Block
C. Ischemia
D. MI
E. Fibrillation
A. Stenosis
Which of the following represents the outermost layer of the heart?

A. Epicardium
B. Parietal pericardium
C. Myocardium
D. Subendocardium
E. Endocardium
A. Epicardium
Increased sympathetic stimulation will cause HR to______________.
Increase
The protein of bood that is involved in the clotting mechanism is:

A. Albumin
B. Globulin
C. Fibrinogen
D. None of the above
C. Fibrinogen
The visceral pericardium of the heart is also know as the:

A. Epicardium
B. Endocardium
C. Myocardium
D. None of the above
A. Epicardium
The common wall between the two atria of the heart is called the:

A. Interatrial septum
B. Interventricular sulcus
C. Interatrial sulcus
D. Interventricular septum
A. Interatrial septum
The pulmonary trunk branches into the right and left:

A. pulmonary arteries
B. pulmonary veins
C. coronary arteries
D. coronary veins
A. pulmonary arteries
The left atrioventricular valve is between the:

A. right atrium and right ventricle
B. left atrium and left ventricle
C. left ventricle and right ventricle
D. left atrium and right atrium
B. left atrium and left ventricle
Contractions of the heart are coordinated by the ______ cells that are part of the ______ system of the heart.

A. conducting; conducting
B. conducting; contractile
C. contractile; contractile
D. contractile; conducting
A. conducting; conducting
In the EKG, the repolarization of the atria is represented by the:

A. T Wave
B. P Wave
C. QRS complex
D. none of the above
D. none of the above
The most abundant protein in red blood cells is:

A. Hemoglobin
B. Albumin
C. Fibrinogen
D. Immunoglobulin
A. Hemoglobin
The formed element of blood include:

A. white blood cells
B. platelets
C. redbood cells
D. all of the above
D. all of the above