Blood Supply of the Back

Question 1

in the thoracic region, arteries are…

Answer 1

dorsal branches of posterior intercostal arteries

Question 2

In the lumbar region, arteries are…

Answer 2

dorsal branches of the four paired lumbar arteries

Question 3

posterior intercostal arteries (except the first 2) and all lumbar arteries are branches of the ____

Answer 3

descending aorta

Question 4

circulatory system is composed of…

Answer 4

arteries
veins
lymph vessels & nodes
heart

Question 5

right side of heart receives ____, and sends ____

Answer 5

receives de-oxygenated blood
sends deoxygenated blood to lungs for oxygenation

Question 6

left side of heart receives ____, and sends ____

Answer 6

receives oxygenated blood from lungs
sends it to rest of body

Question 7

Pulmonary circulation location

Answer 7

from the right ventricle to the lungs to the left atrium

Question 8

Systemic circulation location

Answer 8

from the left ventricle to the body to the right atrium

Question 9

Define anastomosis

Answer 9

a connection between blood channels
(i.e., arteries to arterioles, arterioles to capillaries)
(may occur between larger venous or arterial channels)

Question 10

where does exchange between blood & cells of body tissues occur?

Answer 10

capillaries

Question 11

Capillaries connect ____ on arterial side to ____ on venous side

Answer 11

arterioles
venules

Question 12

venules drain to…

Answer 12

larger veins

Question 13

Collateral circulation

Answer 13

an alternative route of circulation to a body part created by anastomoses
(of arterial or venous channels)

Question 14

collateral circulation is frequent around…

Answer 14

joints of the limbs

Question 15

Collateral vessels

Answer 15

Anastomostic vessels proceeding from superior to inferior

Question 16

Recurrent vessels

Answer 16

Anastomostic vessels proceeding from inferior to superior

Question 17

Ascending aorta branches

Answer 17

Right coronary artery, left coronary artery

Question 18

Arch of aorta branches

Answer 18

Brachiocephalic trunk, left common carotid artery, left subclavian artery

Question 19

arch of the aorta

Brachiocephalic trunk branches

Answer 19

Right subclavian artery, right common carotid artery

Question 20

arch of the aorta

Subclavian artery branches

Answer 20

• Vertebral artery
• thyrocervical trunk (with transverse cervical artery - superficial & deep branches),
• costocervical trunk (to highest intercostal a., & deep cervical a.)
• internal thoracic artery

Question 21

arch of the aorta

Common carotid artery branches

Answer 21

Internal carotid artery
External carotid artery (->Occipital artery)

Question 22

Descending thoracic aorta contains…

Answer 22

posterior intercostal arteries

Question 23

Internal thoracic artery contains…

Answer 23

anterior intercostal arteries

Question 24

Descending abdominal aorta contains…

Answer 24

lumbar arteries

Question 25

Venous return to the heart is via the…

Answer 25

vena cava (superior & inferior)

Question 26

what veins form the superior vena cava?

Answer 26

brachiocephalic veins

Question 27

lymph is very similar to ____

Answer 27

blood plasma
(drains to blood circulatory system)

Question 28

afferent lymph vessels

Answer 28

drain lymph to nodes

Question 29

efferent lymph vessels

Answer 29

drain lymph from nodes to larger lymph channels

Question 30

Thoracic duct primary function

Answer 30

major lymph channel of the body

Question 31

Thoracic duct receives drainage from…

Answer 31

whole body except R arm & R side of head/neck
left side of head and neck
left side of thorax
left arm
abdomen
pelvis and perineum
both legs