Bsc2086 Exam 1 Part 2

Front 1

pectinate muscles are found in the

Back 1

anterior wall of right atrium

Front 2

which bears a close structural relationship with fossa ovalis

Back 2

foramen ovale

Front 3

action that closes the right AV valve is called

Back 3

contraction of right ventricle

Front 4

internal wall surface of the ventricles have large, smooth and irregular muscular ridges called

Back 4

trabeculae carneae

Front 5

papillary muscles are attached to AV valves by

Back 5

chordae tendineae

Front 6

how many half moon shaped pocket like cusps are in each semilunar valve

Back 6

3

Front 7

what stops the back flow of blood inter the left ventricle

Back 7

Aortic semilunar valve

Front 8

what carries oxygenated blood from lungs to heart

Back 8

pulmonary veins

Front 9

end of left ventricle and entrance to aorta is

Back 9

aortic semilunar valve

Front 10

during cardiac cycle how many of the four chambers contract at once

Back 10

2

Front 11

the beginning of cardiac cycle is when

Back 11

atria contract

Front 12

during ventricular diastole

Back 12

semilunar valve closes and AV opens

Front 13

during ventricular systole

Back 13

semilunar valve opens and AV closes

Front 14

during early ventricular systole the atria are in

Back 14

diastole

Front 15

initial lubb sound is heard when

Back 15

AV valve closes

Front 16

in EKG the T wave is

Back 16

Repolarization of ventricles

Front 17

in EKG P wave is when

Back 17

atria depolarize

Front 18

the right border of the heart is supplied by the

Back 18

right marginal artery

Front 19

left and right coronary arteries travel within the

Back 19

coronary sulcus

Front 20

foramen ovale is an opening in the

Back 20

Interatrial septum

Front 21

gas, nutrients, and waste exchange are between ____ and tissue

Back 21

capillaries

Front 22

as arteries go farther from the heart they

Back 22

get smaller

Front 23

what has endothelium and sub endothelial layers of areolar connective tissue

Back 23

tunica intima

Front 24

what has circularly arranged layers of smooth muscle cells

Back 24

tunica media

Front 25

in arteries the thickest layer is

Back 25

tunica medica

Front 26

largest arteries in body are

Back 26

elastic arteries

Front 27

correct order of artery form heart to capillaries are

Back 27

A,C,B

(elastic arteries, muscular arteries, arterioles)

Front 28

vasoconstriction of arterioles result in an _____ in blood pressure

Back 28

increase

Front 29

the artery with internal and external elastic laminae is called

Back 29

muscular arteries

Front 30

systemic veins carry blood _____ in oxygen

Back 30

low

Front 31

most common capillary is called

Back 31

continuous

Front 32

valves in veins cause

Back 32

venous blood flow to go only one direction

Front 33

blood pressure is lowest in

Back 33

veins

Front 34

increased cardiac output ________ blood pressure

Back 34

increases

Front 35

end of aorta occurs when vessel bifurcates into

Back 35

common iliac arteries

Front 36

artery that bifurcates into right subclavian artery and right common carotid artery is

Back 36

brachiocephalic artery

Front 37

artery that supplies lower limbs are

Back 37

external iliac arteries

Front 38

artery for supplying to gums, teeth, nasal cavity and meninges are called

Back 38

maxillary

Front 39

artery that subdivide to form posterior cerebral arteries is called

Back 39

basilar artery

Front 40

superior vena cava is formed by

Back 40

brachiocephalic veins

Front 41

left and right renal, right suprarenal and right ganodal are in

Back 41

inferior vena cava

Front 42

anastomose arteries form 2 arteries in arches of the palm called

Back 42

radial and ulnar

Front 43

the __________ runs adjacent to the medical of upper limb to form axillary vein

Back 43

basilic vein

Front 44

artery that divides anterior and posterior tibial arteries is called

Back 44

popliteal

Front 45

there are _____ left and ____right pulmonary veins to carry oxygenated blood to the left atrium

Back 45

two,two

Front 46

pulmonary artery has _____ elastic tissue and ______ lumens that systemic arteries

Back 46

less, wider

Front 47

umbilical artery carries what kind of blood

Back 47

deoxygenated

Front 48

fetal shortcut form right atrium to left atrium is

Back 48

foramen ovale

Front 49

foramen ovale closes at birth because

Back 49

higher pressure in the left atrium which causes intertribal septum flaps to close

Front 50

artery that arises from descending aorta and is interior to the celiac trunk is the

Back 50

superior mesenteric