Vessels And Circulation

Question 1

What are the three times of vessels?

Answer 1

1) Anastomosis
2) End arteries
3) companion vessels

Question 2

What is a anastomosis?

Answer 2

Two vessels that serve the same area

Question 3

What are end vessels?

Answer 3

Vessels that come to an end (they do not form anastomosis)

Question 4

What is an example of an end ateries?

Answer 4

A renal artery

Question 5

What is a companion vessel?

Answer 5

Vessels which run to the same area

Question 6

What are the 4 types of vessels?

Answer 6

1) lumen
2) tunica intima
3) tunica media
4) tunica externa

Question 7

What are lumens?

Answer 7

The open space within the vessels

Question 8

What is the tunic?

Answer 8

The walls of vessels

Question 9

What is the tunica intima?

Answer 9

The inner layer with endothelium tissue

Question 10

What is the tunica media?

Answer 10

The middle muscle layer

Question 11

What is tunica media involved with?

Answer 11

• vasoconstriction
• vasodilation

Question 12

What is the tunica externa?

Answer 12

The outer layer with connective tissue

Question 13

What are the 3 types of arteries?

Answer 13

1) elastic
2) muscular
3) arterioles

Question 14

Where are the elastic arteries?

Answer 14

They are close to the heart

Question 15

What do elastic arteries do after they expand?

Answer 15

They recoil back to the original shape

Question 16

What are 2 examples of elastic arteries?

Answer 16

The aorta, and the pulmonary arteries

Question 17

What are muscular arteries?

Answer 17

Typical arteries

Question 18

What are arterioles?

Answer 18

The smallest of the arteries right before the capillary

Question 19

What are the 3 types of capillaries?

Answer 19

1) continuous capillaries
2) fenestrated capillaries
3) sinusoids

Question 20

What are continuous capillaries?

Answer 20

The most common capillaries filled with interstitial fluid

Question 21

What are fenestrated capillaries used for?

Answer 21

Fluid transportation between blood and tissues

Question 22

Where are fenestrated capillaries found?

Answer 22

In the intestines, endocrine glands, and kidneys

Question 23

What are sinusoids?

Answer 23

They are wider and full of holes

Question 24

What do sinusoids allow for?

Answer 24

The allow for transport of materials

Question 25

Where are sinusoids found?

Answer 25

Found in the spleen, anterior pituitary, liver, and bone marrow

Question 26

What are the 4 types of veins?

Answer 26

1) veins 2) venule 3) one way valve 4) varicose veins

Question 27

Do veins have high pressure or low pressure?

Answer 27

They have low pressure

Question 28

What are venule?

Answer 28

The smallest type of veins right next to the capillaries

Question 29

Where are the one way values found?

Answer 29

They are only found in veins

Question 30

What is the function of the one way valves?

Answer 30

They allow blood only to flow in one direction

Question 31

What do one way valves have?

Answer 31

They have tunica intima

Question 32

What are varicose veins?

Answer 32

When failure of the one way valves happens and allows for build up (backflow) of blood

Question 33

What are the 7 parts of the ascending aorta?

Answer 33

1) right coronary artery 2) left coronary artery 3) brachiocephalic trunk 4) right common carotid artery 5) right subclavian artery 6) left common carotid artery 7) left subclavian artery

Question 34

What do the left/right coronary arteries do?

Answer 34

They send blood to the heart itself

Question 35

Where do the left/right coronary arteries branch off?

Answer 35

They branch off at the ascending aorta

Question 36

Where does the right common carotid artery supply blood to?

Answer 36

The right side of the head and neck

Question 37

Where does the right subclavian artery supply blood to?

Answer 37

The right arm and thoracic region

Question 38

Where does the left common carotid artery supply blood to?

Answer 38

The left side of the head and neck

Question 39

Where does the left subclavian artery supply blood to?

Answer 39

The left arm and thoracic region

Question 40

What do the right/left common carotid arteries split into?

Answer 40

The external and internal carotid arteries

Question 41

What do the external carotid arteries feed into?

Answer 41

It feeds into the external skull

Question 42

What does the external carotid arteries branches into?

Answer 42

They branch into the superficial temporal artery

Question 43

What does the internal carotid arteries feed into?

Answer 43

They feed into the internal skull

Question 44

What does the carotid sinus have?

Answer 44

Baroreceptors

Question 45

What are the barorecptors

Answer 45

The area where the external and internal split

Question 46

What do the vertebral arteries travel through?

Answer 46

The left and right vertebral arteries travel up the transverse foraminae of cervical vertebrae and through the foramen magnum to bring blood to the brain

Question 47

What is the basilar artery?

Answer 47

The merging of the vertebral arteries

Question 48

What is the circle of Willis and where does it get blood from?

Answer 48

1) R&L vertebral arteries 2) R&L internal carotid arteries 3) Basilar artery It gets blood from the vertebral arteries and internal carotid arteries

Question 49

What are the three thoracic organs?

Answer 49

1) lungs 2) esophagus 3) diaphragm

Question 50

What are the bronchial arteries filled with?

Answer 50

Oxygenated blood to the lungs themselves

Question 51

What do esophageal arteries supply blood too?

Answer 51

It supplies oxygenated blood to the esophagus

Question 52

What artery supplies blood to the abdominal portion of esophagus?

Answer 52

The left gastric artery

Question 53

What does the superior phrenic arteries arise from?

Answer 53

The descending thoracic aorta

Question 54

What do the musculophrenic arteries arise from?

Answer 54

The subclavian arteries

Question 55

What does the inferior phrenic arteries arise from?

Answer 55

The descending abdominal aorta

Question 56

What three arteries supply the GI tract?

Answer 56

1) celiac artery 2) superior mesenteric artery 3) inferior mesenteric artery