Thorax

Question 1

which diaphragmatic crus enclose the esophagus?

Answer 1

right crus

Question 2

phrenic nerve passes through what diaphragmatic opening?

Answer 2

caval opening

Question 3

innervation of skin of axilla

Answer 3

C2

Question 4

pericardial sinus: between reflection of the serous pericardium around the ascending aorta and the pulmonary trunk and the reflection around the great veins

Answer 4

transverse sinus

Question 5

pericardial sinus: reflection of serous pericardium around the venae cavae and the four pulmonary veins

Answer 5

oblique sinus

Question 6

cardiac vein in inferior border

Answer 6

small cardiac vein

Question 7

cardiac vein in anterior interventricular groove

Answer 7

great cardiac vein

Question 8

cardiac vein in posterior border

Answer 8

middle cardiac vein

Question 9

which coronary artery arises from anterior aortic sinus?

Answer 9

right coronary artery

Question 10

azygos vein passes through which diaphragmatic hiatus?

Answer 10

aortic hiatus

Question 11

most posterior part of heart

Answer 11

left atrium

Question 12

True or false. The pericardial cavity is the potential space between the fibrous and serous pericardia.

Answer 12

False. The pericardial cavity is the potential space between the visceral and parietal layers of serous pericardia.

Question 13

Ductus arteriosus is formed from what pharyngeal arch?

Answer 13

fourth