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Flashcards in Cardiovascular system Deck (95)
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1

The main organ in the cardiovascular system

HEART

2

Heart is found in what cavity?

Mediastinal cavity

3

How many liters of blood is pumped by a healhty person.

5-6 LITERS

4

Function of the heart

Pump blood throughout the body via arteries

5

the outermost layer of the heart that contains FATS

Pericardium

6

the thickest layer of the heart that contains CARDIAC MUSCLE

MYOCARDIUM

7

Endocardium is lined with?

Simple squamous

8

Natural fats in the body is produced by?

LIVER

9

What kind of fat is used by the heart?

Triglycerides

10

Triglycerides when used by the heart becomes?

ketone bodies

11

Frank-starling law stated?

increase stretching of cardiac muscle results in forceful contraction

12

Blood flow in the heart by the UNOXYGENATED PORTION

Right atrium > triscuspid valve> right ventricle> pulmonary valve > pulmonary artery > lungs

13

Blood flow in the heart by the OXYGENATED PORTION

Pulmonary vein > left atrium > mitral valve > left ventricle > aortic valve > aorta > ascending aorta > aortic arch> descending aorta (thoracic) > abdominal aorta > median sacral artery

14

AV valve on the right side

Tricuspid valve

15

one of semilunar valve with 2 leaflet

pulmonary valve

16

simulnar valve with 3 leaflets

Aortic valce

17

AV valve on the left side

Mitral valve

18

The only artery that caries unoxygenated blood

Pulmonary artery

19

What are the Semilunar valves?

Pulmonary and Aortic valve

20

What is the muscle found in the valves?

Papillary muscle

21

What structure refers to "heart strings"?

Chorda tendinae

22

What valve can be heard at the left of the sternal border of 5th intercostal space?

Tricuspid valve

23

What valve can be heard at the midclavicular ine in 5th intercostal space?

MITRAL valve

24

What valve can be heard at the right of the sternal border of 2nd intercostal space?

AORTIC valve

25

What valve can be heard at the left of the sternal border of 2nd intercostal space

PULMONARY valve

26

Closure of tricuspid valve and mitral valve produce what sound?

LUB SOUND

27

Closure of aortic valve and pulmonary valve produce what sound?

DUB sound

28

Heart sounds (Lub and Dub) also known as

murmurs

29

Which murmur is louder?

the LUB sound

30

What is AV valve for?

Prevent backflow of blood