week 6 anatomy - circulatory system & supp notes

Question 1

what are the major neck arteries (4)

Answer 1

1. left internal carotid artery
2. right internal carotid artery
3. left external carotid artery
4. right external carotid artery

Question 2

what is the function of the internal carotid neck arteries

Answer 2

feeds the brain

Question 3

what is the function of the external carotid neck arteries

Answer 3

feeds the skin, head and neck muscles

Question 4

what are the pelvic arteries

Answer 4

1. external iliac arteries
2. internal iliac arteries

Question 5

what is the function of the external iliac arteries

Answer 5

arteries feed into the abdomen and lower extremities

Question 6

what is the function of the internal iliac arteries

Answer 6

feed the pelvic organs. feeds the peritoneum, gluteals and pelvic viscera and branches off the external iliac

Question 7

what is the function of the common iliac arteries

Answer 7

separates into internal and external iliac arteries which supply (carry) blood to the pelvic region and the legs

Question 8

what are the 5 upper leg arteries

Answer 8

1. common femoral artery
2. popliteal artery
3. anterior tibial artery
4. posterior tibial artery
5. dorsalis pedis artery

Question 9

function of the femoral artery

Answer 9

it feeds the glutes and anterior thigh and continues from the external iliac artery

Question 10

function of the popliteal artery

Answer 10

it feeds the hamstrings and calfs and continues from the femoral artery and splits into anterior and posterior tibial arteries

Question 11

function of the posterior tibial artery

Answer 11

it feeds the posterior leg and foot and continues from the femoral and popliteal artery and is deep to the gastrocnemius and soles

Question 12

function of the dorsals pedis artery

Answer 12

it feeds the foot and toes and continues from the anterior tibial artery

Question 13

order of the arm arteries

Answer 13

1. subclavian
2. axillary
3. brachial
4. radial and ulnar

Question 14

what artery feeds the shoulder and forearm

Answer 14

brachial artery

Question 15

what artery feeds the left arm and has vertebral branch

Answer 15

left subclavian artery

Question 16

what artery feeds the armpit

Answer 16

axillary

Question 17

what artery feeds the elbow and hand

Answer 17

radial artery

Question 18

what artery feeds the hand and arm

Answer 18

ulnar

Question 19

what are the superior heart arteries that branch off the aortic arch

Answer 19

1. brachiocephalic trunk
   
   • right subclavian artery
   • right common carotid artery
2. left common carotid artery
   
   • external carotid
   • internal carotid
3. left subclavian artery
   
   • axillary
   • brachial
   • radial
   • ulnar

Question 20

what does the brachiocephalic trunk split into

Answer 20

1. right subclavian artery
2. right common carotid artery

Question 21

what does the left common carotid artery split into

Answer 21

1. external carotids
2. internal carotids

Question 21

what are the 5 types of superior heart veins

Answer 21

1. left and right internal and external jugular veins
2. left and right subclavian veins
3. left and right brachiocephalic veins
4. super vena cave

Question 22

what does the left subclavian artery branch into

Answer 22

1. axillary
2. brachial
3. ulnar
4. radial

Question 23

what does the internal and external jugular veins drain

Answer 23

the brain, head and neck

Question 24

what does the subclavian veins drain

Answer 24

arm, shoulder and neck

Question 25

what does the brachiocephalic veins drain

Answer 25

head, neck, upper limbs, upper thorax

Question 26

what does the superior vena cava drain

Answer 26

above diaphragm

Question 27

order of drainage for veins

Answer 27

1. external and internal jugular veins drain into - subclavian veins drain into the - brachiocephalic veins drain into the - superior vena cava veins drain into the right atrium

Question 28

what are the main veins in the neck

Answer 28

1. interior 2. exterior 3. anterior jugular veins

Question 29

importance of jugular veins

Answer 29

they return blood from your brain back toward your heart

Question 30

what type of veins are the right and left common iliac

Answer 30

pelvic veins

Question 31

what type of veins are the right and left internal and external iliac veins

Answer 31

pelvic veins

Question 32

order of arm veins

Answer 32

1. radial veins - drains deep forearm into 2. ulnar vein - drains deep forearm into 3. brachial vein - drains deep and superficial arms into 4. axillary vein - drains arm and shoulder into a subclavian and brachiocephalic vein into 5. super vena cava - drains above the diaphragm into the right atrium

Question 33

components of blood

Answer 33

1. formed elements 2. plasma

Question 34

what are formed elements

Answer 34

living cells

Question 35

what is plasma

Answer 35

non-living fluid matrix

Question 36

what percentage of our blood is made of plasma

Answer 36

55% of total blood

Question 37

what percentage of our blood is made of WBC and platelets

Answer 37

less than 1% of total blood

Question 38

what percentage of blood is made of RBC

Answer 38

45% of total blood

Question 39

what is the buffy coat in blood also known as

Answer 39

WBC and platelets

Question 40

what is the hematocrit also known as

Answer 40

RBC