Heart and Thorax Test Prep

Question 1

The roof the right ventricle is occupied by the which lies between the tricuspid and pulmonary orfiices

Answer 1

Crista supraventricularis

Question 2

Approximately how many beats per minute is the normal adult heart rate?

Answer 2

60-100

70

Question 3

The apex of the heart is formed by the

Answer 3

Left ventricle

Question 4

The medial wall of the right atrium contains which one of the following structures

Answer 4

Interventricular septum

Question 5

The inferior vena cava is guarded by a fold of tissue called the valve, whereas the coronary sinus is guarded by the valve

Answer 5

Eustachian, Thebesian

Question 6

Which one of the following landmarks is used to separated pericardial fluid from pleural effusion

Answer 6

Recess of the oblique sinus

Question 7

The right border of the heart is formed by the

Answer 7

Right atrium

Question 8

The right and left coronary arteries arise from the

Answer 8

Ascending aorta

Question 9

The superior vena cava enters the right atrium

Answer 9

True

Question 10

The forceful contraction of the cardiac chambers is

Answer 10

Systole

Question 11

The greatest muscle mass in the heart is found in which one of the following structures?

Answer 11

Left ventricle

Question 12

The wall of the aorta bulges slightly at each semilunar cusp to form which one of the following

Answer 12

Sinus valsalva

Question 13

The is the pleural reflection between the costal and diaphragmatic portions of the parietal pleura

Answer 13

Costophrenic sinus

Question 14

The base of the heart is formed by the

Answer 14

Both atria but mainly left

Question 15

The tricuspid valve opens when the

Answer 15

Right ventricle drops below RT atrial

Question 16

The outflow tract of the right ventricle also is called the

Answer 16

Infundibulum

Question 17

Two pulmonary veins enter posteriorly in which one of the following

Answer 17

Left atrium

Question 18

The mitral valve separates which of the following sets of structures

Answer 18

Left atrium and left ventricle

Question 19

Which one of the following structures initiates the normal cardiac impulse

Answer 19

Sinoatrial node

Question 20

Defects in the valves may cause turbulence or regurgitation on auscultation, which is called

Answer 20

Murmur

Question 21

Most coronary venous drainage is into the

Answer 21

Coronary sinus

Question 22

Atrial contraction follows the on an electrocardiogram

Answer 22

P wave

Question 23

Blood is prevented from flowing backward into the ventricle from the aorta by which one of the following valves

Answer 23

Semilunar valve

Question 24

The pericardial sac protects the heart against which one of the following

Answer 24

friction

Question 25

The most posterior chamber to the left of the sternum is the

Answer 25

Left ventricle