3/4- Heart (Exam 2)

Question 1

What are gap junctions?

Answer 1

Connects cytoplasm of one cell to the cytoplasm of another cell

Things can move from cell to cell

Ions are in motion

Movement of charges are electrical current

All interconnected

Question 2

What side of the heart do you see with the left and right wrist?

Answer 2

Left wrist- left side

Right wrist- right side

Question 3

What is a calibration wave?

Answer 3

Direct measure of how much electricity is produced

Height and depths

Very beginning or very end

Millivolts

Question 4

What is the bottom of the heart called?

Answer 4

Apex

Question 5

What is the top of the heart called?

Answer 5

Base

Question 6

What is the groove between the atriums and the ventricles?

Answer 6

Atrioventricular sulcus

Or

Coronary sulcus

Question 7

What is the groove between the ventricles called?

Answer 7

Inter-ventricular sulcus

Question 8

What layer of the heart wall is the white material in the ventricles?

Answer 8

Endocardium

Question 9

What is the layer of the heart wall that is the interventricular septum?

Answer 9

Myocardium

Question 10

What is the layer of the heart wall on the surface of the heart?

Answer 10

Epicardium

Question 11

What is the right auricle?

Answer 11

The outside of the right atrium

Question 12

What is the left auricle?

Answer 12

Outside of left atrium

Question 13

What is the wall that divides the 2 ventricles?

Answer 13

Interventricular septum

Question 14

What is the valve between the right atrium and ventricle?

Answer 14

Tricuspid

Question 15

What is the valve between the left atrium and ventricle?

Answer 15

Bicuspid

Question 16

What are the string like structures?

Answer 16

Chordae tendineae

Question 17

What are the finger like structures on the wall of the ventricles?

Answer 17

Papillary muscles

Question 18

What is the valve between the pulmonary trunk and right ventricle?

Answer 18

Pulmonary semilunar valve

Question 19

What is the valve between the aorta and the left ventricle?

Answer 19

Aortic semilunar valve

Question 20

What is the artery under the pulmonary trunk when you open the left ventricle (little piece)?

Answer 20

Left coronary artery

Question 21

What is the artery that is on the left ventricle?

Answer 21

Anterior interventricular artery

Or

Left anterior descending artery

Question 22

What is the artery that circles around the left atrium and ventricle?

Answer 22

Circumflex artery

Question 23

What is the artery between the right atrium and ventricle?

Answer 23

Right coronary artery

Question 24

What is the artery that is going down on the side of the right ventricle?

Answer 24

Marginal artery

Question 25

What is the artery between the ventricles posterior?

Answer 25

Posterior interventricular artery Or Posterior descending artery

Question 26

What is the vein on the left ventricle?

Answer 26

Great cardiac vein

Question 27

What is the vein posterior of heart between ventricles?

Answer 27

Middle cardiac vein

Question 28

What is the vein that connects to the coronary sinus posterior to heart?

Answer 28

Small cardiac vein

Question 29

What is the thick vein posterior to the heart between atriums and ventricles?

Answer 29

Coronary sinus

Question 30

What is the node inside the wall of the right atrium that looks like a crab?

Answer 30

Sinoatrial node (SA node)

Question 31

What is the node deep I see the right atrium that also looks like a crab?

Answer 31

Atrioventricular node (AV node)

Question 32

What is the bundle that is near the AB node (59)?

Answer 32

Bundle of his Or Atrioventricular node

Question 33

What are on the walls on the inside of the ventricles?

Answer 33

Right and left bundle branches?

Question 34

What are the super thin lines inside the ventricles?

Answer 34

Purkinje fibers