Lecture 20: Circulatory System II

Question 1

Answer 1

1. external iliac
   2/3: femoral
   4: anterior tibial

Question 2

general pattern of vein/artery distribution in core

Answer 2

big veins on right side
big arteris on left
arteries are more deep

Question 3

where does ileocolic artery supply

Answer 3

iliocecal jxn

*sup mesenteric

Question 4

what does inf. mes. art. supply

Answer 4

left third of
transverse colon, descending colon, sigmoid colon, rectum, and
upper part of anal canal.

Question 5

where does middle colic artery supply

Answer 5

transverse colon

*sup mesenteric

Question 6

where does superior rectal artery supply

Answer 6

rectum

**inf mesenteric

Question 7

Answer 7

1.thryocerical trunk: supplies anterior portion of axilla

Question 8

where does right colic artery supply

Answer 8

ascending colon
*sup mesenteric

Question 9

what are three branches of arch of aorta

Answer 9

1.brachiocephalic trunk-supplies arm/head
2. common carotid
3. subclavian

Question 10

what does superior mesenteric artery supply

Answer 10

lower half of
duodenum, small part of pancreas, small intestine (except the
upper half of duodenum), cecum, appendix, ascending colon,
and the right two-thirds of transverse colon.

Question 11

three branches of celiac trunk

Answer 11

1. splenic: spleen
2. common hepatic: liver
3. left gastric; stomach

Question 12

Answer 12

1. radial
2. common interossus
3. ulnar
4. deep palmar arch
5. superficial palmar arch: supplies palmar aponeurosis
6. palmar digital

Question 13

where does right vertebral artery (branch of subclavian) go

Answer 13

thru transverse processes of cervicalvertebrae, enter brain via foramen magnum.

supplies spinal cord, medulla, cerebellum

Question 14

what do branches of thoracic aorta become

Answer 14

intercostal arteries

Question 15

Answer 15

1.thryocerical trunk: supplies anterior portion of axilla

2. thoracoacromial: supplies anterior wall axilla
3. posteiror circumflex humeral
4. anterior circumflex humeral

both surround surgical neck humeros

Question 16

what does brachial artery branch into

Answer 16

radial and ulnar

Question 17

label tehse arteries

Answer 17

1.subclavian (from brachipcephalic trunk)

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

Question 18

where do common ilia arteries divide into internal/external iliac arteries

Answer 18

sacroliaci joitns

Question 19

Answer 19

1. right vertebral
2. right subclavian
3. right external carotid
4. right internal carotid
5. right common carotid
6. brachiocephalic trunk

Question 20

where does sigmoid arteries supply

Answer 20

sigmoid colon

**inf mesenteric

Question 21

what does renal artery supply

Answer 21

kidney, adrenals, uterus

Question 22

what are the parietal and visceral groups of abdominal aorta?

Answer 22

1.parietal (somatic): supply diaphragm and posterior abdo wall. lumbar arteries and inferior phrenic arteries

2. visceral branches: supply abdo viscera. celiac trunk, common hepatic, splenic branches

Question 23

what does the gastroomental artery supply

Answer 23

greater curvature of stomach. btw stomach and greater omentum

branch of splenic

Question 24

Answer 24

1. vertebral: supplies posterior circulation thru transverse foramen in cervical verts
2. internal thoracic: supply chest wlal
3. brachial supplies ant compartment arm
4. deep brachial (profunda) travles with radial nerve, behind humerus. supplies posterior arm

Question 25

what does celiac trunk arteries supply

Answer 25

abdominal esophagus, stomach, liver, gall bladder, spleen, most of the pancreas, and upper half of the duodenum.

Question 26

Answer 26

1. internal iliac 2. external iliac 3. superior gluteal 4. inferior gluteal 5. deep femoral 6. femoral 7. popliteal

Question 27

what happens when external iliac artery passes thru inguinal ligament?

Answer 27

becomes femoral artery

Question 28

where does left colic artery supply

Answer 28

descending colon **inf mesenteric

Question 29

basilar artery

Answer 29

made of R and L vertebral artries. supplies pons/cerebellum. divides into posterior cerebral arteries that supply cerebrum

Question 30

what happens when inferior mesenteric artery bifurcates

Answer 30

divides into internal and external iliac arteries

Question 31

Answer 31

1. femoral 2. popliteal 3. anterior tibial 4.posterior tibial 5. fibular

Question 32

Answer 32

1. brachiocephalic trunk 2. common carotid 3. subclavian 4.internal thoracic artiers (behind chest wall) 5. intercostal

Question 33

what do gonadal arteries supply

Answer 33

ovaries/testes

Question 34

Answer 34

top: arch of aorta mid: thoracic aorta low: abdominal aorta

Question 35

axillary artery

Answer 35

is the continuation of the subclavian artery within the axilla extends between the lateral border of the first rib and the lower margin of teres major muscle. The main branches of axillary artery include: 1. The thoracoacromial artery mainly supplies the anterior wall of axilla. 2. The lateral thoracic artery supplies the medial wall of axilla. 3. The subscapular artery contributes in blood supply of the scapular region. 4. The anterior and posterior circumflex humeral arteries that wind around the surgical neck of the humerus mainly assist in supplying deltoid muscle and shoulder JOmt.

Question 36

Answer 36

1. dorsal pedis 2. dorsal digital 3. medial plantar 4. lateral plantar 5. plantar digital

Question 37

Answer 37

1.common hepatic 2. greater curvature 3. left gastric 4. splenic

Question 38

what does short gastric artery supply

Answer 38

lesser curvature

Question 39

branches internal iliac artery

Answer 39

parietal: superior/inf gluteal artiers, obturator artery, internal pudendal visceral: pelvic viscera

Question 40

what are the three midline arteries of the abdomen

Answer 40

1.cephalic trunk-supplies foregut 2.superior mesenteric-supplies midgut 3.inferior mesenteric-supplies hind gut

Question 41

explain the branches of brachiocephalic artery which supply the head

Answer 41

subclavian. divides into internal thoraic, thyrocervical and vertebral artery. vertebral artery supplies brainstem, posterior cerebrum (basilary artery, posterior cerebral) common carotid divides into internal and external carotid. Internal carotid forms circle of willis, splits in opthalmic, anterior cerebral, and middle cerebral arteries external carotid supplies head/neck outside cranial cavity. branches include maxillary, superficial temporal, occipital, facial, lingual, superior thyroid

Question 42

what are the main branches of axillary artery

Answer 42

1. thoracoacromial: anterior wall axilla 2. lateral thoracic: medial wall axilla 3. subscapular: scapular region 4. anterior and posterior circumflex: shoulder/deltoid region