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A&P Spring Semester 2015 > Cardiovascular System: Chapter 17 > Flashcards

Cardiovascular System: Chapter 17 Flashcards

1
Q

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

A

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

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2
Q

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

A

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

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3
Q

What are the two receiving chambers of the heart?

A

Right and Left Atrium

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4
Q

Which atrium receives blood from from the systemic circuit

A

Right Atrium

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5
Q

Which atrium receives blood from the pulmonary circuit

A

Left Atrium

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6
Q

What are the two pumping chambers of the heart?

A

Right and Left Ventricle

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7
Q

Which ventricle pumps blood through the pulmonary circuit?

A

Right Ventricle

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8
Q

Which ventricle pumps blood through the systemic circuit?

A

Left Ventricle

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9
Q

Where is the heart located?

A

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

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10
Q

Where does the apex point to?

A

Left hip

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11
Q

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

A

Pericardium

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12
Q

What protects and anchors to surrounding structures and prevents overfilling?

A

Fibrous Pericardium

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13
Q

What lines the internal surface of the fibrous pericardium?

A

Parietal Layer

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14
Q

What lines the external surface of the heart?

A

Visceral Layer or Epicardium

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15
Q

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

A

To decrease friction;Pericardial Cavity

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16
Q

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

A

Pericarditis

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17
Q

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?

A

Cardiac Temponade

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18
Q

What are the three layers of the heart wall?

A

Epicardium,Myocardium,Endocardium

19
Q

What is the visceral layer of serous pericardium?

A

Epicardium

20
Q

What is the muscle of the heart?

A

Myocardium

21
Q

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

A

Endocardium

22
Q

What are three veins that empty into the right atrium?

A

SVC,IVC,Coronary Sinus

23
Q

What type of veins empty into the left atrium?

A

Four pulmonary veins

24
Q

What separates the atria?

A

Interatrial Septum

25
Q

What separates the ventricles?

A

Interventricular Septum

26
Q

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

A

Trabeculae Carneae

27
Q

What anchor the chordae tendineae?

A

Papillary Muscles

28
Q

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

A

Ventricles

29
Q

What is right AV valve?

A

Tricuspid

30
Q

What is the left AV Valve; AKA Mitral

A

Biscupid

31
Q

What are the two semilunar valves?

A

Aortic and Pulmonary Semilunar Valves

32
Q

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

A

Incompetent Valve

33
Q

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

A

Valvular Stenosis

34
Q

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

A

Pulmonary Circuit

35
Q

What circuit is long and has high friction

A

Systemic Circuit

36
Q

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

A

Left Coronary Artery

37
Q

What artery supplies right atrium and most of right ventricle?

A

Right Coronary Artery

38
Q

what type of veins collect blood from capillary beds?

A

Cardiac Veins

39
Q

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

A

Coronary Sinus

40
Q

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

A

Angina Pectoris

41
Q

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

A

Myocardial Infarction

42
Q

Which will contract first? Atria or Ventricles

A

Atria

43
Q

What is known as the pacemaker of the heart?

A

Sinoatrial Node (SA) Node

A&P Spring Semester 2015 (6 decks)

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