Cardio

Question 1

Epicardium

Answer 1

Outer layer Covers surface; extends to great vessels

Question 2

Myocardium

Answer 2

Middle layer Thick tissue responsible for pumping action

Question 3

Endocardium

Answer 3

Inner layer 2 thin layers of endothelium &a connective tissue

Question 4

Basic Anatomy of the Heart

Answer 4

Question 5

Blood flow through heart and lungs

Answer 5

Question 6

Blood flow through heart

Answer 6

Question 7

Vena Cava

Answer 7

Oxygen-poor blood enters the heart through the two largets veins in the body, the vena cava.

The superior vena cava draines blood from the upper portion of the body

The inferior vena cava draines blood from the lower portion of the body

Answer 8

Question 9

Coronary Valves

Answer 9

Tricuspid – 3 flaps. Between R atrium and R ventricle.

Mitral – two flaps. Between L atrium and L ventricle.

Aortic valve and P

Pulmonic valve or semilunar valves. Flaps are half-moon shaped.

Aortic valve located at junction of the left ventricle and the aorta

Pulmonic valve at junction of the right ventricle and the pulmonary artery.

The valves allow blood to flow in one direction only.

Question 10

Arteries

Answer 10

Oxygenated blood (usually red)

Question 11

Veins

Answer 11

Deoxygenated (usually Blue)