Cardiovascular System: Chapter 17

Question 1

What type of blood does the right-side of the heart receive?

Answer 1

Receives Oxygen-poor blood; it pumps to the lungs to get rid of CO2 and pick up O2 via the pulmonary circuit

Question 2

What type of blood does the left-side of the heart receive?

Answer 2

Receives Oxygenated blood from the lungs; pumps to body tissues via systemic circuit

Question 3

What are the two receiving chambers of the heart?

Answer 3

Right and Left Atrium

Question 4

Which atrium receives blood from from the systemic circuit

Answer 4

Right Atrium

Question 5

Which atrium receives blood from the pulmonary circuit

Answer 5

Left Atrium

Question 6

What are the two pumping chambers of the heart?

Answer 6

Right and Left Ventricle

Question 7

Which ventricle pumps blood through the pulmonary circuit?

Answer 7

Right Ventricle

Question 8

Which ventricle pumps blood through the systemic circuit?

Answer 8

Left Ventricle

Question 9

Where is the heart located?

Answer 9

In the mediastinum between the second rib and 5th intercostal space

Question 10

Where does the apex point to?

Answer 10

Left hip

Question 11

What is the double-walled sac that covers the heart?

Answer 11

Pericardium

Question 12

What protects and anchors to surrounding structures and prevents overfilling?

Answer 12

Fibrous Pericardium

Question 13

What lines the internal surface of the fibrous pericardium?

Answer 13

Parietal Layer

Question 14

What lines the external surface of the heart?

Answer 14

Visceral Layer or Epicardium

Question 15

What are these two layers separated by a fluid filled cavity? what is this cavity called?

Answer 15

To decrease friction;Pericardial Cavity

Question 16

What is it called when there is inflammation of the Pericardium?;Pericardial friction rub, “creaking sound heard with stethoscope”

Answer 16

Pericarditis

Question 17

What is it called when there is a built-up of excess fluid in the pericardial sac which puts pressure on heart and may prevent it from pumping effectively?

Answer 17

Cardiac Temponade

Question 18

What are the three layers of the heart wall?

Answer 18

Epicardium,Myocardium,Endocardium

Question 19

What is the visceral layer of serous pericardium?

Answer 19

Epicardium

Question 20

What is the muscle of the heart?

Answer 20

Myocardium

Question 21

What layer of the heart lines heart chambers; and is continuous with endothelial lining of blood vessels

Answer 21

Endocardium

Question 22

What are three veins that empty into the right atrium?

Answer 22

SVC,IVC,Coronary Sinus

Question 23

What type of veins empty into the left atrium?

Answer 23

Four pulmonary veins

Question 24

What separates the atria?

Answer 24

Interatrial Septum

Question 25

What separates the ventricles?

Answer 25

Interventricular Septum

Question 26

What are the irregular ridges of muscle on the walls of the heart?

Answer 26

Trabeculae Carneae

Question 27

What anchor the chordae tendineae?

Answer 27

Papillary Muscles

Question 28

What is considered to be the actual pumps of the heart and has thicker walls than the atria?

Answer 28

Ventricles

Question 29

What is right AV valve?

Answer 29

Tricuspid

Question 30

What is the left AV Valve; AKA Mitral

Answer 30

Biscupid

Question 31

What are the two semilunar valves?

Answer 31

Aortic and Pulmonary Semilunar Valves

Question 32

What is this condition when blood backflows so heart repumps same blood over and over?

Answer 32

Incompetent Valve

Question 33

What is this condition when stiff flapps constrict opening and the heart must exert more force to pump blood?;Can be replaced with cadaver valve

Answer 33

Valvular Stenosis

Question 34

What circuit is short, and has low-pressure circulation?

Answer 34

Pulmonary Circuit

Question 35

What circuit is long and has high friction

Answer 35

Systemic Circuit

Question 36

What artery supplies interventricular septum, anterior ventricular walls, left atrium, and posterior wall of left ventricle

Answer 36

Left Coronary Artery

Question 37

What artery supplies right atrium and most of right ventricle?

Answer 37

Right Coronary Artery

Question 38

what type of veins collect blood from capillary beds?

Answer 38

Cardiac Veins

Question 39

What empties into the right atrium which is formed by merging cardiac veins?

Answer 39

Coronary Sinus

Question 40

What is thoracic pain caused by fleeting deficiency in blood delivery; Cells weakened

Answer 40

Angina Pectoris

Question 41

What prolonged coronary blockage and the areas of cell death is repaired with noncontractile scar tissue?

Answer 41

Myocardial Infarction

Question 42

Which will contract first? Atria or Ventricles

Answer 42

Atria

Question 43

What is known as the pacemaker of the heart?

Answer 43

Sinoatrial Node (SA) Node