Circulatory System

Question 1

What are the three types of vessels you will encounter in the system ?

Answer 1

1. Arteries
2. Capillaries
3. Veins

Question 2

What is the biggest largest artery ?

Answer 2

Aorta

Question 3

Name the order of the blood vessels

(6)

Answer 3

1. Aorta
2. Arteries
3. Capillaries (exchange)
4. Venules
5. Veins
6. Vena cava

Question 4

carry blood away from the heart and toward capillaries (Aorta is the largest artery in the body)

Answer 4

Arteries

Question 5

Arteries subdivide into ____ that become smaller that are called____ that control the flow into microscopic exchange vessels called the_____.

Answer 5

vessels

arterioles

capillaries

Question 6

carry blood from the arterioles to the venules. The venules then join with other venules and increase in size becoming the veins.

Answer 6

Capillaries

Question 7

This is where the exchange of nutrients and respiratory gases occurs between the blood and tissue fluid.

Answer 7

Capillaries

Question 8

carry blood toward the heart and away from capillaries.

Answer 8

Veins

Question 9

What are the three layers of the arteries ?

Answer 9

1. Tunica intima
2. Tunica media
3. Tunica externa

Question 10

What type of cell is the tunica intima ?

Answer 10

Endothelial cell

Question 11

What arteries are important for blood pressure regulation ?

Answer 11

Tunica media

Question 12

inner layer of endothelial cells. It is a single layer of squamous epithelial cells.

Answer 12

Tunica intima

Question 13

This single layer prevents the accidental formation of blood clots

Answer 13

Tunica intima

Question 14

middle layer, smooth muscle, thick in arteries; important in blood pressure regulation because the thicker muscle layer in the artery wall is able to resist great pressures generated by systole

Answer 14

Tunica media

Question 15

thin outer layer of elastic tissue. Made of elastic tissue so it won’t burst under pressure.

Answer 15

Tunica externa

Question 16

Capillaries only have one layer which is the

Answer 16

Tunica intima

Question 17

microscopic vessels

Answer 17

Capillaries

Question 18

Only one layer - the tunica intima. Extremely thin because substances such as glucose, oxygen, and wastes can quickly pass through it on their way to or from cells.

Answer 18

Capillaries

Question 19

What are the three layers of the veins ?

Answer 19

1. Tunica intima
2. Tunica media
3. Tunica externa

Question 20

inner layer; valves prevent retrograde movement of blood.

Answer 20

Tunica intima

Question 21

smooth muscle; thin in veins

Answer 21

Tunica media

Question 22

heavy layer of fibrous connective tissue in many veins.

Answer 22

Tunica externa

Question 23

The tunica media in arteries compared to veins is

Answer 23

Thicker

Question 24

Where is the tunica externa thicker in veins or arteries

Answer 24

Veins

Question 25

What’s a unique fact about the vein ?

Answer 25

It has a valve in it

Question 26

distribution of nutrients, gases, etc., from the heart to the capillaries in all parts of the body.

Answer 26

Arteries

Question 27

Assist in maintaining the arterial blood pressure by constricting or dilating

Answer 27

Arteries

Question 28

serve as exchange vessels for nutrients, wastes, and fluids

Answer 28

Capillaries

Question 29

collect blood from capillaries and return to the heart; low-pressure vessels.

Answer 29

Veins

Question 30

Partial blockage of an artery

Answer 30

Atherosclerosis

Question 31

If we have atherosclerosis what is one solution we can do ?

Answer 31

Balloon angioplasty

Question 32

abnormal widening of arterial wall

Answer 32

Aneurysm

Question 33

______ promote formation of thrombi that may obstruct vital tissues.

Answer 33

Aneurysms

Question 34

or stroke - ischemia (decrease of blood flow) of brain tissue caused by embolism or hemorrhage

Answer 34

Cerebrovascular accident (CVA)

Question 35

What are the two disorders of the arteries ?

Answer 35

1. Aneurysm 2. Cerebrovascular accident (CVA)

Question 36

Disorders of the vein usually happen due to …

Answer 36

Low pressure vessels

Question 37

enlarged veins in which blood pools rather than continue on towards the heart.

Answer 37

Varicose veins (varices)

Question 38

varicose veins in the rectum •Treatments include supporting affected veins and surgical removal

Answer 38

Hemorrhoids (Piles)

Question 39

vein inflammation (phlebitis) accompanied by clot (thrombus) formation.

Answer 39

Thrombophlebitis

Question 40

refers to the flow of blood through all the vessels, which are arranged in a complete circuit or circular pattern

Answer 40

Blood circulation

Question 41

What type of circulation Carries blood throughout the body

Answer 41

Systemic circulation

Question 42

Path goes from left ventricle (Oxygenated side) through aorta, smaller arteries, arterioles, capillaries, venules, venae cavae, to right atrium (Deoxygenated side)

Answer 42

Systemic circulation

Question 43

The systemic circulation path goes from left ventricle (oxygenated side) ->?>? > ?….. (7)

Answer 43

Aorta Smaller arteries Arterioles Capillaries Venules Venae cavae Right atrium (deoxygenated side)

Question 44

Unique blood route through the liver

Answer 44

Hepatic portal circulation

Question 45

Hepatic portal circulation •Unique blood route through the liver – Veins from the …. (5)

Answer 45

1. Spleen 2. Stomach 3. Pancreas 4. Gallbladder 5. Intestines

Question 46

Vein (hepatic portal vein) exits and drain into the ______

Answer 46

inferior vena cava

Question 47

Assists with homeostasis of blood glucose levels

Answer 47

Hepatic portal vein

Question 48

Liver cells remove ____ and store it as ____

Answer 48

excess glucose glycogen

Question 49

They also remove and detoxify various poisonous substances that may present in the blood.

Answer 49

Liver cells

Question 50

Hepatic portal circulation •Unique blood route through the ___

Answer 50

Liver

Question 51

The hepatic portal system lacks __

Answer 51

Valves

Question 52

In the Hepatic portal system blood flow can be in ___ depending on pressure gradient.

Answer 52

Any direction

Question 53

Refers to circulation before birth

Answer 53

Fetal circulation

Question 54

Fetal circulation •Refers to ….

Answer 54

Circulation before birth

Question 55

____ required for fetus to efficiently secure oxygen and nutrients from the maternal blood

Answer 55

Modifications

Question 56

Modifications required for fetus to efficiently secure ____ and ___ from the maternal blood

Answer 56

Oxygen nutrients

Question 57

Modifications required for fetus to efficiently secure oxygen and nutrients from the ____

Answer 57

maternal blood

Question 58

For exchange of nutrients and oxygen to occur between fetal and maternal blood, ______ must carry the fetal blood to the _____ where the exchange occurs and then return it to the fetal body

Answer 58

specialized blood vessels placenta

Question 59

For exchange of nutrients and oxygen to occur between fetal and maternal blood, specialized blood vessels must carry the fetal blood to the placenta where the exchange occurs and then return it to the _____

Answer 59

fetal body

Question 60

For exchange of nutrients and oxygen to occur between ___ and _____ , specialized blood vessels must carry the fetal blood to the placenta where the exchange occurs and then return it to the fetal body

Answer 60

Fetal Maternal blood

Question 61

In order for exchange of nutrients and oxygen to occur between fetal and maternal blood, specialized blood vessels must….

Answer 61

Carry the fetal blood to the placenta

Question 62

Fetal circulation •Three Important differences:

Answer 62

1. Umbilical vein 2. Ductus arteriosus 3. Foramen ovale

Question 63

carries oxygenated blood from mother to fetus.

Answer 63

Umbilical vein

Question 64

connects the aorta to the pulmonary artery.

Answer 64

Ductus arteriosus

Question 65

(duct between two arteries)

Answer 65

Ductus Arteriosus

Question 66

bypasses pulmonary circulation.

Answer 66

Foramen ovale

Question 67

(foramen between right and left atrium)

Answer 67

Foramen ovale

Question 68

Maintain homeostasis of the glucose level and to collect all the waste from all these organs and dump them back into IVC we do this to dump CO2 and to to collect O2 as well as nutrients.

Answer 68

Hepatic portal system

Question 69

The entire GI system has its unique circulatory system called the ____

Answer 69

Hepatic portal circulation

Question 70

The circulatory system that happens before birth.

Answer 70

Fetal circulatory system

Question 71

Where does the fetus get oxygen from ?

Answer 71

Blood that comes from the placenta

Question 72

Arteries are always going ___ from the heart

Answer 72

Away

Question 73

Veins are always going ___ the heart

Answer 73

Toward

Question 74

Red and blue make

Answer 74

Purple