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Anatomy Week 8 > Lab Manual Cards > Flashcards

Lab Manual Cards Flashcards

1
Q

What attaches the pericardium to the sternum?

A

Superior and inferior sternopericardial ligaments

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2
Q

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

A

Fibrous Pericardium

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3
Q

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

A

parietal

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4
Q

Where is the transverse sinus located?

A

anteriorly:
Between ascending aorta and pulmonary trunk

posteriorly:
Between SVC and pulmonary veins

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5
Q

Where can the oblique sinus be found?

A

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

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6
Q

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

A

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

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7
Q

What forms the right border of the heart?

A

right atrium

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8
Q

What forms the left border of the heart?

A

left ventricle

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9
Q

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

A

Inferior margin

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10
Q

What forms the posterior surface of the heart?

A

Mostly the left atrium and a little bit of the right

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11
Q

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

A

anterior (sternocostal surface)

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12
Q

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

A

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

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13
Q

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

A

fifth

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14
Q

Where does the right coronary artery originate?

A

the right aortic sinus

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15
Q

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

A

The right coronary artery

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16
Q

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

A

Sinoatrial Nodal Artery

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17
Q

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

A

When it descends into the posterior interventricular sulcus

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18
Q

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

A

marginal branch

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19
Q

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

A

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

20
Q

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

A

The posterior interventricular

21
Q

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

A

False - its a branch of the left coronary artery

22
Q

What are the two divisions of the left coronary artery?

A

anterior interventricular

circumflex

23
Q

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

A
  1. sternocostal surfaces of both ventricles
  2. anterior 2/3 of interventricular septum
  3. bundle of His
24
Q

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

A
  • left atrium

- posterior surface of the left ventricle

25
Q

What drains most of the venous flow of the heart?

A

The cardiac veins

26
Q

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

A

Sinus Venarum

27
Q

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

A

Pectinate muscles

28
Q

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

A

Terminal Crest

29
Q

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

A

coronary sinus

30
Q

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

A

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

31
Q

What is the superior margin of the fossa ovalis called?

A

limbus

32
Q

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

A

The AV node

33
Q

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

A

Conus arterious (infundibulum)

34
Q

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

A

False, the anterior papillary muscle is attached to the sternocostal surface

-The posterior papillary muscle is attached to the diaphragmatic surface

35
Q

What forms the medial wall of the right atrium?

A

the interventricular septum

36
Q

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

A

The moderator band

37
Q

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

A

True

38
Q

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

A

The posterior papillary muscle

39
Q

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

A

aortic vestibule

40
Q

Where does the pulmonary trunk divide?

A

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

41
Q

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

A

False, it courses anterior to the thoracic aorta

Note: the right pulmonary artery course BEHIND the ascending aorta

42
Q

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

A

anterior and inferior

43
Q

Where does the trachea bifurcate?

A

Sternal angle into the R and L main bronchi

44
Q

Compare the right main bronchus to the left main bronchus.

A

Larger and shorter and more vertically oriented

overall more chode-like

45
Q

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

A

posterior

46
Q

What is the course of the left main bronchus?

A

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

Anatomy Week 8 (15 decks)

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