Test Bank for EKG Plain and Simple 4th Edition by Ellis

Exam

Name___________________________________


SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question.

1) There are no questions for this chapter. 1)


MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.

2) The normal heart is the size of a 2)
A) cherry. B) watermelon. C) man's fist. D) foot.

3) The top of the heart where the great vessels emerge is the 3)
A) chordae tendonae. B) tricuspid valve.
C) apex. D) base.

4) The fibrous tissue that divides the heart into right and left sides is the 4)
A) papillary muscle. B) chordae tendonae.
C) septum. D) pulmonic valve.

5) The apex of the heart is located at the 5)
A) top of the heart, where the great vessels emerge.
B) bottom of the heart, at the leftmost tip.
C) back wall of the heart.
D) right side of the heart.

6) Pericardial fluid 6)
A) prevents backflow of blood from one chamber to the other.
B) circulates through the heart's chambers.
C) lubricates the electrical system of the heart.
D) decreases friction of the pericardial layers as they rub against each other.

7) The innermost layer of the heart is the 7)
A) endocardium. B) myocardium. C) pericardium. D) epicardium.

8) The layer of the heart that is damaged during a heart attack is the 8)
A) epicardium. B) myocardium. C) pericardium. D) endocardium.

9) Which of these statements about the pericardium is NOT true? 9)
A) It is a two-layer sac enclosing the heart.
B) It anchors the heart to the diaphragm and great vessels.
C) It is the wall of the heart that is damaged in a heart attack.
D) It serves as protection for the heart.

10) Which of the following statements about the right atrium is TRUE? 10)
A) It is the receiving chamber for deoxygenated blood coming from the vena cava.
B) It is the major pumping chamber of the heart.
C) It is a receiving chamber for oxygenated blood returning from the lungs.
D) It is about 100% saturated with oxygen.



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, 11) Which heart chamber delivers oxygenated blood to the entire body? 11)
A) Left atrium B) Right ventricle C) Right atrium D) Left ventricle

12) The heart's valves open and close in response to changes in 12)
A) sodium and potassium concentration. B) the heart's pacemaker.
C) pressure. D) oxygenation.

13) Heart valves serve what purpose? 13)
A) They prevent blood from flowing forward.
B) They prevent oxygenated blood from flowing through the coronary arteries.
C) They control the heart's electrical signals.
D) They prevent backflow of blood.

14) The valve that separates the right atrium and right ventricle is the 14)
A) mitral valve. B) tricuspid valve.
C) pulmonic valve. D) aortic valve.

15) The heart valve found at the opening of the pulmonary artery is the 15)
A) aortic valve. B) pulmonic valve.
C) tricuspid valve. D) mitral valve.

16) Which of the following are both AV valves? 16)
A) Tricuspid and mitral valves B) Aortic and pulmonic valves
C) Mitral and pulmonic valves D) Aortic and mitral valves

17) The first heart sound (S1) is associated with closure of which heart valves? 17)
A) Tricuspid and mitral B) Mitral and aortic
C) Tricuspid and pulmonic D) Aortic and pulmonic

18) The second heart sound (S2) is associated with closure of which heart valves? 18)
A) Tricuspid and mitral B) Aortic and pulmonic
C) Mitral and aortic D) Tricuspid and pulmonic

19) The structure that prevents backflow of blood is the 19)
A) superior vena cava. B) papillary muscle.
C) trabeculae carnae. D) valve.

20) What causes heart sounds? 20)
A) Blood hitting an obstruction in the peripheral circulation
B) Closing of the heart valves
C) Blood traveling through the heart
D) Opening of the heart valves

21) Through which structure must blood travel in order to leave the right ventricle? 21)
A) Pulmonic valve B) Left ventricle C) Right atrium D) Tricuspid valve

22) Which valves open to allow the ventricles to fill? 22)
A) Tricuspid and pulmonic B) Tricuspid and mitral
C) Aortic and pulmonic D) Aortic and mitral



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