Chapter 5

Question 1

What are the two systems of the circulatory system?

Answer 1

Lymphatic and cardiovascular

Question 2

Where does the lymphatic system transport pathogens to?

Answer 2

Lymph nodes

Question 3

What does the circulatory system do that is unique?

Answer 3

It touches every other system on a cell by cell basis

Question 4

What is the positive of phlebotomy?

Answer 4

One of the safest diagnostic methods we have.

Question 5

What are capillaries?

Answer 5

Site at which cells exchange products of metabolism with adjoining cells

Question 6

How does the cardiovascular system work with veins and arteries?

Answer 6

Arteries distribute blood away

From the heart and bring it back by way of veins.

Question 7

What helps the blood get re-oxygenated?

Answer 7

The respiratory system

Question 8

What are aterioles?

Answer 8

Last small branches of the arterial system and can dilute and contract depending on how much oxygen the tissue needs

Question 9

What is coagulation?

Answer 9

Chemical reactions take place at the site of vascular injury to protect the vessel walls

Question 10

What is it called when arteries join each other?

Answer 10

Bifurcation

Question 11

What is it called where veins join together?

Answer 11

Confluence

Question 12

What is the fluid between the cells of the human body known as?

Answer 12

Lymph

Question 13

What is the left chest area called?

Answer 13

Thorax

Question 14

What are the two upper chambers of the heart called?

Answer 14

Atria

Question 15

What are the lower chambers of the heart called?

Answer 15

Ventricles

Question 16

What is the outer layer of the heart called?

Answer 16

Epicardium

Question 17

What is the middle layer of the heart called?

Answer 17

Myocardium

Question 18

What is the epicardium do?

Answer 18

Contains the coronary arteries which supply the muscle of the heart with blood.

Question 19

What does the myocardium do?

Answer 19

Responsible for the contraction of the cardiac chambers.

Question 20

What is the inner layer of the heart called?

Answer 20

Endocardium

Question 21

What does the endocardium do?

Answer 21

Smooth surface keeps blood from clotting.

Question 22

What is a stroke?

Answer 22

Complete or partial obstruction of the cerebral arteries.

Question 23

What is the fibrous fluid-filled sac called?

Answer 23

Pericardium

Question 24

What is the patients right side of the heart called?

Answer 24

Pulmonary system

Question 25

What is the patients left side of the heart called?

Answer 25

Systemic circulation system

Question 26

What does the superior vena cava do?

Answer 26

Collects deoxygenated blood from the upper body of the heart

Question 27

What does the inferior vena cava do?

Answer 27

Collects deoxygenated blood from the lower body into the heart

Question 28

What is blood pressure?

Answer 28

The force the aqueous blood exerts on the arterial walls as the heart contracts.

Question 29

In the structure of blood vessels, is the tunica externa smaller in veins than arteries?

Answer 29

Yes

Question 30

In the structure of the blood vessels , is the tunica media smaller in veins than arteries?

Answer 30

Yes

Question 31

In the structure of blood vessels, is the tunica intima smaller, larger, or the same in veins and arteries?

Answer 31

The same

Question 32

What are the four chambers of the heart?

Answer 32

Right atrium Right ventricle Left atrium Left ventricle

Question 33

Which side of the heart is rich in oxygen?

Answer 33

Left

Question 34

Which side of the heart is rich in carbon dioxide?

Answer 34

Right

Question 35

What do arteries do?

Answer 35

Carry blood away from the heart to the capillaries

Question 36

What is the largest artery in the body?

Answer 36

The aorta

Question 37

What do veins do?

Answer 37

Carry blood back towards the heart for reoxygenation

Question 38

What do capillary beds do?

Answer 38

Exchange vessels that transport gasses and nutrients to the cells of the body.

Question 39

What does the lymphatic system consist of? 5

Answer 39

1. Lymph fluid, 2. lymph nodes, 3. tonsils, 4. spleen 5. Thymus gland

Question 40

What does the lymphatic system do? 3

Answer 40

1. Maintain fluid balance in tissue by filtering blood and lymph fluids 2. Provides defense against disease 3. Absorbs fats and other substances from the digestive track

Question 41

How does the lymphatic system play a role within the immune system?

Answer 41

By transporting pathogens to lymph nodes where immunity cells destroy them

Question 42

What is the function of the cardiovascular system? 3

Answer 42

1. Transport oxygen to all tissues and remove metabolic waste products 2. Transport cells to aid in nourishment and immunity of the body 3. Regulation of body temperature

Question 43

What does the right atrium do?

Answer 43

Upper chamber of the heart that Collects blood from the vena cava and propels it through the tricuspid valve

Question 44

What does the right ventricle do?

Answer 44

Propels blood into the right and left pulmonary arteries.

Question 45

What does the left atrium do?

Answer 45

Blood is returned into the heart after oxygenation by the right and left pulmonary arteries into the upper left atrium and exits through the bicuspid valve In the aorta.

Question 46

What does the aorta do?

Answer 46

Returns oxygenated blood back into the body

Question 47

What is a heart attack?

Answer 47

Complete or partial obstruction in the coronary arteries.

Question 48

What is the blood/heart circulation path?

Answer 48

Right atrium, right ventricle to the lungs. Then, left ventricle and then left atrium

Question 49

What are the largest veins in the body?

Answer 49

Superior/inferior vena cavas

Question 50

What does the cardio do?

Answer 50

Brings back carbon dioxide