Ch 20 Quiz Questions

Question 1

the abdominal aorta divides at its distal end into which arteries?

Answer 1

the common iliac arteries

Question 2

which artery enters the skull through the foramen spinosum and supplies the inner surface if the parietal bone, dura matter, and parts of the temporal bone?

Answer 2

middle meningeal artery

Question 3

the cerebral arterial circle forms a loop around which structures?

Answer 3

pituitary gland and the optic chiasma

Question 4

where are elastic arteries located?

Answer 4

near the heart

Question 5

blood vessel that is easy to find in most people and used to draw blood?

Answer 5

median cubital vein

Question 6

layers of blood vessels innervated by sympathetic vasomotor fibers

Answer 6

tunica media

Question 7

blood vessel that arises from union of L and R brachiocephalic veins?

Answer 7

superior vena cava

Question 8

vascular anastomoses are

Answer 8

where vessels unite or interconnect

Question 9

smallest veins

Answer 9

venules

Question 10

smallest venules

Answer 10

post capillary venules

Question 11

blood vessel that ranges from 0.3mm-1cm in diameter and has a large tunica media relative to size of the lumen

Answer 11

muscular artery

Question 12

the R suprarenal and gonadal veins drain into

Answer 12

inferior vena cava

Question 13

the L suprarenal and gonadal veins drain into

Answer 13

L renal vein

Question 14

extensor muscles of the forearm are supplied by which artery?

Answer 14

posterior interosseous

Question 15

CT that forms tunica intima

Answer 15

endothelium

Question 16

CT that forms tunica media

Answer 16

smooth muscle and elastic fibers

Question 17

CT that forms tunica externa

Answer 17

collagen fibers

Question 18

smallest blood vessels

Answer 18

capillaries

Question 19

wide leaky capillaries

Answer 19

sinusoids

Question 20

Four ways molecules pass into and out of capillaries?

Answer 20

direct diffusion through endothelial cell membranes, intercellular clefts, fenestrations, pinocytotic vessels

Question 21

what regulates flow of blood into true capillaries?

Answer 21

precapillary sphinters

Question 22

which artery supplies the deep flexor muscles?

Answer 22

anterior interosseous artery

Question 23

internal carotid artery branches to form the

Answer 23

anterior cerebral, middle cerebral, and ophthalmic arteries

Question 24

what vessel in the fetus connects the pulmonary trunk to the aortic arch so that most of the blood bypasses the immature lungs?

Answer 24

ductus arteriosus

Question 25

what do muscular arteries regular blood flow to?

Answer 25

organs and groups of organs

Question 26

correct proximal to distal sequence of the three vessels branching from the aortic arch is

Answer 26

brachiocephalic, L common carotid, L subclavian

Question 27

fenestrated capillaries

Answer 27

have pores in their walls

Question 28

what prevents back flow of veins

Answer 28

valves

Question 29

venous blood from the hands can be drained towards the heart through the radial, ulnar, median, cephalic, and

Answer 29

basilic veins

Question 30

which arteries connect basilar artery and the internal carotid artery forming the posterior aspect of the cerebral arterial circle?

Answer 30

posterior communicating arteries

Question 31

pulse of the facial artery is palpated

Answer 31

anterior to the masseter muscle at inferior margin of mandible

Question 32

what are the branches of the celiac trunk

Answer 32

L gastric artery, common hepatic artery and splenic artery

Question 33

what branch of the abdominal aorta supplies the stomach

Answer 33

celiac trunk

Question 34

which artery arises from the inferior part of the abdominal aorta and supplies the distal half of the large intestine?

Answer 34

inferior mesenteric artery

Question 35

the foramen ovale in the heart normally closes

Answer 35

shortly after birth

Question 36

common theme to the development of atherosclerosis is

Answer 36

inflammatory response to damaged endothelium

Question 37

smallest arteries

Answer 37

arterioles

Question 38

what artery serves most of the intestines

Answer 38

superior mesenteric artery

Question 39

disorders of the blood vessels

Answer 39

DVT and atherosclerosis

Question 40

what is the foramen ovale

Answer 40

valve with 2 flaps that prevents blood from flowing in opposite direction