ch. 19 smart book missed questions

Question 1

the layer that lines the inner chambers of the heart is the

Answer 1

endocardium

Question 2

the ascending aorta is attached to which heart chamber

Answer 2

left ventricle

Question 3

which is a blood vessel attached to the right atrium

Answer 3

superior vena cava

Question 4

where is the posterior interventricular groove

Answer 4

between 2 ventricles

Question 5

the blood vessel that carries blood AWAY from the left ventricle is the

Answer 5

aorta

Question 6

which blood vessel is a branch off the pulmonary trunk

Answer 6

pulmonary artery

Question 7

the fibrous skeleton of the heart is a ________ of electricity

Answer 7

nonconductor

Question 8

functions of the fibrous skeleton

Answer 8

• anchors the cardiocytes and give them something to pull against
• provides structural support for the heart
• provides electrical insulation between the atria and ventricles

Question 9

what is the earlike extension of each atrium called

Answer 9

auricle

Question 10

the framework of collagenous and elastic fibers found in the walls of the heart form the ________ skeleton

Answer 10

fibrous

Question 11

a fibrous cord that attaches the pulmonary trunk to the aortic arch is the

Answer 11

ligamentum arteriosum

Question 12

what are the internal ridges of myocardium found in the right atrium and auricle

Answer 12

pectinate muscles

Question 13

what describes the location of the right atrium

Answer 13

the right atrium is superior to the right ventricle

Question 14

which describes the right ventricle of the heart

Answer 14

the right ventricle is inferior to the right atrium

Question 15

pulmonary arteries are branches of the

Answer 15

pulmonary trunk

Question 16

what is the location of the left ventricle

Answer 16

it is inferior to the left atrium

Question 17

the lower chambers of the heart that pump blood to the lungs and to the body are the

Answer 17

ventricles

Question 18

the thick-walled inferior chambers of the heart that pump blood into the arteries are called

Answer 18

ventricles

Question 19

which groove extends downwward from the coronary sulcus on the front of the heart

Answer 19

anterior interventricular sulcus

Question 20

the groove that extends downwward from the cornary sulcus on the back of the heart is the posterior ____ sulcus

Answer 20

interventricular

Question 21

which groove encircles the heart seperating the atria from the ventricles

Answer 21

cornary sulcus

Question 22

what are the internal ridges of myocardium seen in the ventricles called

Answer 22

trabeculae carnae

Question 23

which sulcus overlies the interventricular septum

Answer 23

anterior interventricular sulcus

Question 24

the posterior interventricular sulcus overlies whichstructure

Answer 24

interventricular septum

Question 25

along with the interventricular sulci which structure holds the largest of the coronary blood vessels

Answer 25

cornary sulcus

Question 26

what are the string-like structures that attach the AV valves to the papillary muscles called

Answer 26

tendinous cords

Question 27

the right atrioventricular valve is also called the ____ valve

Answer 27

tricuspid

Question 28

the groove that extends downward from the cornary sulcus on the front of the heart is anterior _____ sulcus

Answer 28

interventricular

Question 29

the right AV valve is also called which of the following

Answer 29

tricuspid valve

Question 30

the surface indentation that seperates the atria from the ventricles is aka _______ sulcus

Answer 30

coronary

Question 31

the passage of blood from the atria to the ventricles is regulated by which valves

Answer 31

atrioventricular

Question 32

the left atrioventricular valve is also called the ____ valve

Answer 32

bicuspid

Question 33

papillary muscles are attached to which of the following

Answer 33

tendinous cords

Question 34

the valves that regulate the openings between the atria and the ventricles are the _____ valves

Answer 34

atrioventricular

Question 35

correct flow of blood through the heart immediately after it returns from the venous ciculation

Answer 35

right atrium right ventricle left atrium left ventricle

Question 36

the blood vessels that supply nutrients and oxygen only to the heart muscle make up the specific type of circulation called the ______ circulation

Answer 36

coronary

Question 37

what valve is found between the right atrium and ventricle

Answer 37

tricuspid

Question 38

papillary muscles are attached to which of the following

Answer 38

tendinous cords

Question 39

the coronary circulation is made up of which of the following

Answer 39

blood vessels of the heart wall

Question 40

which artery travels under the left auricle and then divides into 2 branches

Answer 40

left cornary artery