Lab Manual Cards

Question 1

What attaches the pericardium to the sternum?

Answer 1

Superior and inferior sternopericardial ligaments

Question 2

What layer of the pericardium is responsible for maintaining the position of the heart?

Answer 2

Fibrous Pericardium

Question 3

Which layer of the pericardium is fused to the outer fibrous layer?

Answer 3

parietal

Question 4

Where is the transverse sinus located?

Answer 4

anteriorly:
Between ascending aorta and pulmonary trunk

posteriorly:
Between SVC and pulmonary veins

Question 5

Where can the oblique sinus be found?

Answer 5

Posterior to the heart, between the L and R pulmonary veins at the diaphragmatic surface of the heart

Question 6

Where does the reflection of the visceral pericardium to become the parietal pericardium occur?

Answer 6

across the acsending aorta, SVC, and pulmonary trunk at the sternal angle

Question 7

What forms the right border of the heart?

Answer 7

right atrium

Question 8

What forms the left border of the heart?

Answer 8

left ventricle

Question 9

What separates the sternocostal surface of the heart from the diaphragmatic surface of the heart?

Answer 9

Inferior margin

Question 10

What forms the posterior surface of the heart?

Answer 10

Mostly the left atrium and a little bit of the right

Question 11

Which surface of the heart has contributions from all four chambers, with the right ventricle being the primary contributor?

Answer 11

anterior (sternocostal surface)

Question 12

What marks the boundary of the diaphragmatic surface of the heart?

Answer 12

The area inferior to the coronary sulcus, which is mainly composed of the L and R ventricles

Question 13

Which intercostal space is at the same level as the apex of the heart?

Answer 13

fifth

Question 14

Where does the right coronary artery originate?

Answer 14

the right aortic sinus

Question 15

What artery can be found between the pulmonary trunk and the right auricle?

Answer 15

The right coronary artery

Question 16

What artery encircles the SVC and gives blood supply to the pacemaker of the heart?

Answer 16

Sinoatrial Nodal Artery

Question 17

When does the right coronary artery become the posterior interventricular artery?

Answer 17

When it descends into the posterior interventricular sulcus

Question 18

The _______________ is usually given off before the right coronary artery passes around the inferior margin.

Answer 18

marginal branch

Question 19

T or F: the right coronary artery supplies bother the SA and AV nodes

Answer 19

True - as the right coronary artery becomes the posterior interventricular it give of the AV nodal artery

Question 20

Which branch of the right coronary artery anastomoses with anterior interventricular artery of the left coronary artery?

Answer 20

The posterior interventricular

Question 21

T or F: the circumflex artery is a branch of the right coronary artery

Answer 21

False - its a branch of the left coronary artery

Question 22

What are the two divisions of the left coronary artery?

Answer 22

anterior interventricular

circumflex

Question 23

What parts of the heart are supplied by the anterior interventricular artery?

Answer 23

1. sternocostal surfaces of both ventricles
2. anterior 2/3 of interventricular septum
3. bundle of His

Question 24

What areas of the heart are supplied by the circumflex artery?

Answer 24

• left atrium

- posterior surface of the left ventricle

Question 25

What drains most of the venous flow of the heart?

Answer 25

The cardiac veins

Question 26

What is the posterior smooth portion of the right atrium called?

Answer 26

Sinus Venarum

Question 27

What are the muscles of the anterior muscular portion of the right atrium?

Answer 27

Pectinate muscles

Question 28

What separates the sinus venarum and pectinate muscles in the right atrium?

Answer 28

Terminal Crest

Question 29

What is located between the valve of the IVC and the right atrioventricular aperture in the right atrium?

Answer 29

coronary sinus

Question 30

What indention exists in the interatrial wall, and what is this a remnant of?

Answer 30

Foss ovalis, used to be the foramen ovalis in the fetus

Question 31

What is the superior margin of the fossa ovalis called?

Answer 31

limbus

Question 32

What is located deep to the endocardium between the valve of the coronary sinus and atrioventricular aperture?

Answer 32

The AV node

Question 33

What is the upper smooth-walled portion of the right ventricle called?

Answer 33

Conus arterious (infundibulum)

Question 34

T or F: the anterior papillary muscle of the right ventricle is attached to the diaphragmatic surface of the heart?

Answer 34

False, the anterior papillary muscle is attached to the sternocostal surface -The posterior papillary muscle is attached to the diaphragmatic surface

Question 35

What forms the medial wall of the right atrium?

Answer 35

the interventricular septum

Question 36

What in the right ventricle extends from the interventricular septum to the base of the anterior papillary muscle?

Answer 36

The moderator band

Question 37

T or F: the anterior papillary muscle is one of the structures attached to the sternocostal surface of the left ventricle?

Answer 37

True

Question 38

Which papillary muscle in the left ventricle is attached to the diaphragmatic surface?

Answer 38

The posterior papillary muscle

Question 39

What structure surrounds the entrance of the ascending aorta and membranous part of the interventricular septum?

Answer 39

aortic vestibule

Question 40

Where does the pulmonary trunk divide?

Answer 40

Inferior to the aortic arch at the place of the sternal angle into the R and L pulmonary arteries

Question 41

T or F: the left pulmonary artery courses posterior to the thoracic aorta?

Answer 41

False, it courses anterior to the thoracic aorta Note: the right pulmonary artery course BEHIND the ascending aorta

Question 42

What is the relationship of the pulmonary veins to the pulmonary arteries?

Answer 42

anterior and inferior

Question 43

Where does the trachea bifurcate?

Answer 43

Sternal angle into the R and L main bronchi

Question 44

Compare the right main bronchus to the left main bronchus.

Answer 44

Larger and shorter and more vertically oriented | overall more chode-like

Question 45

Where does the right main bronchus enter the lung in relation to the right pulmonary artery?

Answer 45

posterior

Question 46

What is the course of the left main bronchus?

Answer 46

Passes deep to the aortic arch and anterior to the esophagus and descending aorta to enter the lung inferior to the left pulmonary artery