Chapter 18

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Cardiovascular System
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1

The heart is considered a _______________.

Transport system consisting of two side by side pumps.

2

The right side of the heart ________________.

Receives oxygen-poor blood from tissues/ IT pumps blood to lungs to get rid of CO2, pick up O2, via PULMONARY CIRCUIT

3

The left side of the heart _______________

receives OXYGENATED blood from lungs, and pumps blood to body tissues via SYSTEMIC CIRCUIT

4

When the blood leaves the Left side of the heart it is in _____________.

Systemic circuit

5

The heart has _______ receiving chambers, and are called....

2, Right Atrium/Left Atrium

6

The right atrium receives blood from __________.

The systemic Circuit

7

The Left atrium receives blood returning from

the pulmonary circuit

8

Pumping chambers of the heart are ________

Right Ventricle/left ventricle

9

The part of the heart that pumps blood through the pulmonary circuit

Right ventricle

10

The part of the heart that pumps blood through the systemic circuit

the left ventricle

11

Part of the heart that Receives blood returning from systematic circuit

Right atrium

12

Part of the heart that receives blood returning from the pulmonary circuit

Left Atrium

13

Heart is approximately the size of _____________ and weights ___________

A fist/less than a pound.

14

Location of the heart is found in ________________ which is found between the _____ rib and the ____________ intercostal space.

mediastinum/2nd/fifth

15

The heart is found on the __________ surface of the diaphragm

Superior surface

16

The heart is located __________ (fraction) of heart to the ________________ of midsternal line?

Left

17

The heart is located _____________ to the vertebral column, _____________ to the sternum.

anterior/posterior

18

The BASE of the heart is on the ____________, and leans toward ____________

posterior surface/right shoulder

19

APEX points towards ___________-

the left hip

20

______________ is palpated between fifth and sixth rubs, just below the left nipple

APICAL IMPULSE

21

The covering of the heart is __________

Pericardium

22

The pericardium is double walled sac, that ________________

protects and anchors to surrounding structures and prevents overfilling.

23

This part of the pericardium lines the internal surface of fibrous pericardium.

PARIETAL LAYER

24

The Epicardium is also called the ____________ layer.

VISCERAL LAYER

25

This layer of the heart looks shiny, and is on the external surface of the heart

epicardium (VISCERAL LAYER)

26

The pericardial cavity of the pericardium has thin fluid and does this _______________

decreases fluid

27

This part of the heart protects from friction __________

serous pericardium

28

Inflammation of the pericardium is called ______________

PERICARDITIS

29

_______________________ makes a creaking sound heard with a stethoscope and roughens membrane surfaces.

PERICARDIAL FRICTION RUB

30

Excess fluid sometimes compresses heart - and leads to limited pumping ability

CARDIAC TAMPONADE

31

Three layers of the heart wall _______________________, __________________, ____________________.

Epicardium, Myocardium, Endocardium.

32

The _____________ is the visceral layer of the serous pericardium.

Epicardium

33

A spiral bundle of contractile cardiac muscle cell ______________

MYOCARDIUM.

34

This layer of the heart wall crisscrosses, interlaces layer of connective tissue, anchors cardiac muscle fibers, supports great vessels and valves, limits spread of action potentials to specific paths.

Myocardium