Cardovascular System

Question 1

What are the two blood vessels systems?

Answer 1

Arterial and Venous

Question 2

What does the arterial system do?

Answer 2

Move blood away from the heart and actively pushed along to the force of the hearts co tract

Question 3

What does the venous system do?

Answer 3

Moves blood towards the heart

Question 4

What is the structural difference between an artery and a vein?

Answer 4

Artery’s are smaller, they have smaller lumen but have thicker walls relative to size. Veins are larger, they have larger lumen but have thinner wall relative to size.

Question 5

What is the lumen?

Answer 5

The lumen is the central blood containing space, or vessel

Question 6

The internal elastic membrane is apart of what vessel?

Answer 6

The artery

Question 7

True or false, artery’s have a larger middle compared to the thickness to the wall

Answer 7

True

Question 8

True or false, artery’s are only made of smooth muscle.

Answer 8

Trud

Question 9

What tissues are veins made of?

Answer 9

Smooth muscle, collagen and elastin

Question 10

True or false, artery’s hold there shape better and vein tend to collapse.

Answer 10

True

Question 11

Pulmonary artery’s carry what type of blood?

Answer 11

Deoxygenated blood

Question 12

Pulmonary veins carry what type of blood?

Answer 12

Oxygenated blood

Question 13

What artery does blood pass through back to the heart

Answer 13

Vena cava

Question 14

What veins does blood pass through back to the body from the heart

Answer 14

Aorta

Question 15

The pumping chambers of the heart are the?

Answer 15

Ventricles

Question 16

The volume of blood pumped out from a ventricle with each beat is the?

Answer 16

Stroke volume

Question 17

Abnormal closure of the valves may result in a?

Answer 17

Heart murmur

Question 18

The contraction phase of the heart is called

Answer 18

Systole

Question 19

The brief resting period that follows the contraction period is

Answer 19

Diastole

Question 20

Blood is pumped to the lungs and body tissues through

Answer 20

Arteries

Question 21

Deoxygenated blood from the body tissue is carried through the

Answer 21

Veins

Question 22

The membrane which the heart valves are formed and which lines the interior of the heart is called

Answer 22

Endocardium

Question 23

By far the thickest layer of the heart wall is the

Answer 23

Myocardium

Question 24

A partition, the septum, separates te two sides of the heart. The thin walled upper septum is called the

Answer 24

Interatrial septum

Question 25

The larger partition between the two sides of the heart is called

Answer 25

Interventricular septum

Question 26

The left atrioventricular valve is thicker than the right, it is made of two flaps or cups and are called the

Answer 26

Mitral or bicuspid valve

Question 27

Situated between the right ventricle and the pulmonary artery is a valve that prevents blood on its way to the lungs from returning to the right ventricle is the

Answer 27

Pulmonary

Question 28

The outermost covering of the heart is called

Answer 28

Epicardium

Question 29

The coronary arteries supply blood to the

Answer 29

Myocardium

Question 30

Which conduct blood towards the heart?

Answer 30

Veins

Question 31

What vessel is responsible for the gas exchange

Answer 31

Capillaries

Question 32

What part of a blood vessel is most critical in regulating systemic blood pressure

Answer 32

Tunica media

Question 33

Does peripheral resistance increase or decrease when blood vessels diameter increases

Answer 33

Decrease

Question 34

The primary mechanism driving filtration in capillary beds is

Answer 34

Hydrostatic pressure within the capillaries

Question 35

Blood is returned to the heart via the

Answer 35

Coronary sinus, inferior and superior vena cava

Question 36

How many branches does the aorta have

Answer 36

Three

Question 37

What contains the majority of the blood volume

Answer 37

Systemic veins and venules

Question 38

What delivers deoxygenated blood to the lungs

Answer 38

Pulmonary trunk

Question 39

Compression of what vessel can cause unconsciousness

Answer 39

The common carotid artery

Question 40

The heart sounds are produced by

Answer 40

The closing of the atrioventricular valves and the semilunar valves

Question 41

Cardiac output is determined by

Answer 41

Cardiac reserve and heart rate

Question 42

The QRS complex of an ECG represents

Answer 42

Ventricular depolarisation

Question 43

True of false the chordate tendineae of the heart anchor the semilunar valves to the papillary muscles

Answer 43

False

Question 44

True or false the pulmonary circulation is a high pressure circulation

Answer 44

False

Question 45

True or false the hormone adrenaline released in times of acute stress causes bradycardia

Answer 45

False

Question 46

The major blood vessels in the neck are

Answer 46

Common carotid artery and jugular vein