ch. 19 smart book missed questions Flashcards

1
Q

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

A

endocardium

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2
Q

the ascending aorta is attached to which heart chamber

A

left ventricle

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3
Q

which is a blood vessel attached to the right atrium

A

superior vena cava

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4
Q

where is the posterior interventricular groove

A

between 2 ventricles

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5
Q

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

A

aorta

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6
Q

which blood vessel is a branch off the pulmonary trunk

A

pulmonary artery

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7
Q

the fibrous skeleton of the heart is a ________ of electricity

A

nonconductor

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8
Q

functions of the fibrous skeleton

A
  • anchors the cardiocytes and give them something to pull against
  • provides structural support for the heart
  • provides electrical insulation between the atria and ventricles
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9
Q

what is the earlike extension of each atrium called

A

auricle

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10
Q

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

A

fibrous

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11
Q

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

A

ligamentum arteriosum

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12
Q

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

A

pectinate muscles

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13
Q

what describes the location of the right atrium

A

the right atrium is superior to the right ventricle

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14
Q

which describes the right ventricle of the heart

A

the right ventricle is inferior to the right atrium

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15
Q

pulmonary arteries are branches of the

A

pulmonary trunk

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16
Q

what is the location of the left ventricle

A

it is inferior to the left atrium

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17
Q

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

A

ventricles

18
Q

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

A

ventricles

19
Q

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

A

anterior interventricular sulcus

20
Q

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

A

interventricular

21
Q

which groove encircles the heart seperating the atria from the ventricles

A

cornary sulcus

22
Q

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

A

trabeculae carnae

23
Q

which sulcus overlies the interventricular septum

A

anterior interventricular sulcus

24
Q

the posterior interventricular sulcus overlies whichstructure

A

interventricular septum

25
Q

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

A

cornary sulcus

26
Q

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

A

tendinous cords

27
Q

the right atrioventricular valve is also called the ____ valve

A

tricuspid

28
Q

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

A

interventricular

29
Q

the right AV valve is also called which of the following

A

tricuspid valve

30
Q

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

A

coronary

31
Q

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

A

atrioventricular

32
Q

the left atrioventricular valve is also called the ____ valve

A

bicuspid

33
Q

papillary muscles are attached to which of the following

A

tendinous cords

34
Q

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

A

atrioventricular

35
Q

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

A

right atrium
right ventricle
left atrium
left ventricle

36
Q

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

A

coronary

37
Q

what valve is found between the right atrium and ventricle

A

tricuspid

38
Q

papillary muscles are attached to which of the following

A

tendinous cords

39
Q

the coronary circulation is made up of which of the following

A

blood vessels of the heart wall

40
Q

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

A

left cornary artery

41
Q
A