Heart Circulation

Question 1

Mediastinum

Answer 1

Space between the lungs

Question 2

Myocardium

Answer 2

Heard Muscle

Question 3

Pericardium

Answer 3

Surrounding Membrane of the heart

Question 4

Serous Paricardium

Answer 4

Inner membrane of paricardium

Question 5

Visceral layer

Answer 5

Inner layer of the Serous Paricardium. EPICARDIUM

Question 6

Parietal Layer

Answer 6

Outer layer of the Serous Paricardium.

Question 7

Paricardial Fluid

Answer 7

Fluid within paricardial sac

Question 8

Myocardial Infarction

Answer 8

Complete blockage of an artery that supplies oxygen to the heart muscle.

Question 9

Interatrial Septum

Answer 9

Seperates the two atria down the middle.

Question 10

Interventricular Septum

Answer 10

Seperates the two ventricles down the middle.

Question 11

Ventricles

Answer 11

Lower portions of the heart. PUMPS blood to the body.

Question 12

Atriums

Answer 12

Upper portions of the heart. RECEIVES blood from the body.

Question 13

Coronary Sinus

Answer 13

Veins that collect blood that is returning from the walls of the heart.

Question 14

Foramen Ovale

Answer 14

Opening between the two atria that is present in the fetus.

Question 15

Atrioventricular Valves

Answer 15

Valves that are between that atria and ventricle.

Question 16

Tricuspid Valve

Answer 16

Seperates RIGHT ATRIUM and RIGHT VENTRICLE

Question 17

Mitral Valve

Answer 17

Seperates LEFT ATRIUM and LEFT VENTRICLE

Question 18

Semilunar Valves

Answer 18

Between the ARTERIES and VENTRICLES.

Question 19

Pulmonic Valve

Answer 19

Between the right ventricle and pulmonary arterie. Prevent Backflow.

Question 20

Aortic Valve

Answer 20

Between the left ventricle and the aorta (systemic arterie). Prevent Backflow.

Question 21

Superior Vena Cava

Answer 21

Returns deoxygenated blood from the UPPER BODY to heart via the right atrium.

Question 22

Inferior Vena Cava

Answer 22

Returns deoxygenated blood from the LOWER BODY to heart via the right atrium.

Question 23

AORTA

Answer 23

Largest artery in body.

Question 24

Left Ventricle

Answer 24

Largest of the four cardiac chambers, and is responsible for pumping blood to the entire body.

Question 25

Left Atrium

Answer 25

Receives oxygenated blood from lungs.

Question 26

Right Atrium

Answer 26

Receives deoxygenated blood from body.

Question 27

Right Ventricle

Answer 27

Pumps deoxygenated blood to the lungs.

Question 28

S1

Answer 28

lub. CONTRACTION. Closure of the mitral and tricuspid valves.

Question 29

S2

Answer 29

DUB. RELAXATION. Closure of the pulmonic and aortic valves.

Question 30

S3

Answer 30

da. After S2. Soft and low pitched. “lub-DUB-da”. Typically rapid ventricular filling due to inrush of blood. Can be an indication of heart failure.

Question 31

S4

Answer 31

bla. Before S1. Increased arterial pressure OR decreased compliance of the left ventricle.

Question 32

Paricarditis

Answer 32

Infection or Inflammation of the paricardial membrane. Chest pain!

Question 33

Pericardial Effusion

Answer 33

Pericardial Sac fills with too much fluid

Question 34

Pericardial Tamponade

Answer 34

Pericardial Effusion with shock due to the hearts inability to fill effectively.

Question 35

Pericardiocentesis

Answer 35

Needle placed into the pericardial sac to remove fluid.

Question 36

Rheumatic Fever

Answer 36

Damage to aortic and mitral valves. Forward blood flow is decreased. Normally in young adults or children.

Question 37

Ischemia

Answer 37

Damage to cells. Arterial blood flow to heart tissue is decreased resulting in a lack of oxygen to that site.

Question 38

Endocarditis

Answer 38

Infection of heart valve.