The Heart

Question 1

The 1 receives O2 poor blood from tissues

Answer 1

1 right side

Question 2

What circuit pumps blood to lungs to get rid of CO2 and pick up O2

Answer 2

Pulmonary circuit

Question 3

The heart is located in the 1. apex points toward 2

Answer 3

1. Mediastinum

2. Left hip

Question 4

Double walled sac enclosing heart

Answer 4

Pericardium

Question 5

Superficial covering of heart

Answer 5

Fibrous pericardium

Question 6

Deep 2 layered covering of heart

With what 2 layers

Answer 6

Serous pericardium
Parietal layer
Visceral layer

Question 7

Visceral layer of serous pericardium

Answer 7

Epicardium

Question 8

Separates atria

Answer 8

Interatrial septum

Question 9

Separates ventricles

Answer 9

Interventricular septum

Question 10

Heart valves open and close in response to 1.

Answer 10

Pressure changes

Question 11

What causes AV valves to open

Answer 11

Atrial P greater than ventricular P

Vice versa

Question 12

Prevent backflow into ventricles when ventricles relax

Answer 12

Semilunar valve

Question 13

Homeostatic imbalance of heart valves

Answer 13

Incompetent valve

Vulvar stenosis

Question 14

Blood backflows so heart pumps same blood over and over

Answer 14

Incompetent valve

Question 15

Stiff flaps, constrict opening so heart must exert more force to pump blood

Answer 15

Vulvar stenosis