Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Human Cadaver Anatomy > Thorax II (part 2) > Flashcards

Thorax II (part 2) Flashcards

1
Q

what is the coronary sulcus

A

is a groove that externally separates the atria and ventricles

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

The anterior and posterior __________ sulci are grooves that externally separate the left and right ventricles

A

interventricular

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

The sulci house the __________ vasculature

A

coronary

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

The firbrous skeleton of the heart is composed of two fibrous rings encircling the __________ and _________ valves, two fibrous coronets encircling the ________ and ________ valves two _______ and membranous portions of the _________- septum, _______ septum, and ___________ septum

A

mitral and tricupsid, pulmonary and aortic valves, trigones, interatrial spetum, interventricular septum, atrioventricular septum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

The right auricle is located on the right _______

A

atrium

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

the ________ auricle is a small flap like extension that uncreases capacity and overlaps the ascending aorta

A

right

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

the right atrium recieves oxygen-______ blood from the superior and inferior ______ _____, coronary sinus, and anterior _______ veins

A

poor, vena cavae, cardiac

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

the ____ _____ (posterior smooth wall) and _______ muscles (anterior wall) of the right atrium are seperated by the ______ __________

A

sinus venarum, pectinate, crista terminalis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

the interatrial septum in the right atrium has the _____ ______ (small oval depression that is the site of the closed foramen ovale during fetal development)

A

fossa ovalis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

the right atrium houses the ______ ______ (pacemaker)

A

sinoatrial node

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

the right ventricle recieves oxygen-__________ blood from the right _______ through the right ____________ orifice that is gaurded by the tricuspid valve

A

poor, atrium, atrioventricular

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

The walls of the right ventricle contain muscular ridges called the __________ _______ and _____ muscles that connect to valve cusps via chordae tendinea

A

trabeculae carnae, papillary

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

what are the papillary muscles in the right ventricle?

A

anterior, posterior, septal

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What are the 3 valve cusps in the right ventricle

A

anterior, posterior, septal

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What is the function of the chordae tendinae

A

prevents cusps from prolapsing back into right atrium during ventricular systole

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

the __________ septum (separating ventricles) has membranous and muscular portions

A

interventricular

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

the septimarginal trabecula carries the right bundle branches of the ________ bundle of the conducting system to the anterior papillary muscle

A

, atrioventricular

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

the supraventricular crest separates the muscular wall from the smooth _______ _______ that leads to the pulmonary orifice

A

, conus arteriosus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Blood is ejected into the pulmonary trunk through the pulmonary _____ and pulmonary ________ valve

A

orifice, semilunar

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Each concaved semilunar cusp is separated from the pulmonary trunk by the ______ sinus

A

pulmonary

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

the pulmonary valve is open during ventricular _________ and closed during ventricular ________

A

systole, diastole

22
Q

The _________ auricle is a small flap like extension that increases capacity and overlaps pulmonary trunk, contains pectinate muscle

A

left

23
Q

The left atrium receives oxygen-________ blood from the left superior and inferior and right superior and inferior pulmonary veins that enters on posterior wall

A

rich

24
Q

The left atrium is largely ________ walled and contains the floor of ____ ______, slightly thicker than the right atrium

A

smooth, fossa ovale

25
Q

The left ventricle is the ________ chamber of the heart

A

thickest

26
Q

left ventricle receives oxygen-_______ blood from the left atrium through the left ________ orifice that is guarded by mitral valve

A

rich, atrioventricular

27
Q

The walls of the left ventricle contain muscular ridges called _____ ______ and papillary muscles that connect to the valve cusps, via chordae tendinae

A

trabeculae carnae

28
Q

what are the papillary muscles in the left ventricle

A

anterior, posterior

29
Q

In the left ventricle, the smooth aortic vestibule leads to the __________ orifice

A

aortic

30
Q

In the left ventricle, the blood is ejected into the aorta through the ________ orifice and _______ semilunar valve

A

aortic, aortic

31
Q

In the left ventricle, each semilunar cusp (posterior, right, left) is separated from the aorta by an _________ sinus

A

aortic

32
Q

In the left ventricle the aortic valve is open during ventricular ______ and closed during ventricular ________-

A

systole, diastole

33
Q

The opening of the right coronary artery is in the __________ sinus, the opening of the left coronary artery is in the ________ sinus (closed valve fills coronary arteries)

A

right aortic, left aortic

34
Q

In the heart, the coronary arteries originate at the base of the _________ aorta

A

ascending

35
Q

The left coronary artery is short and divides into the anterior ___________ artery that supplies the right and left ventricles and the anterior portion of the -_____________ septum, and the __________ artery that supplies the left artium and left ventricle, and the left ________ artery that supplies the left ventricle

A

interventricular, interventricular, circumflex, marginal

36
Q

The right _______ artery supplies the right atrium and divides into the right _____ artery that supplies the right ventricle, and the posterior __________ artery that supplies the right and left _________ and the posterior portion of the interventricular spetum

A

marginal, interventricular, ventricles

37
Q

The anterior _______ veins return oxygen-________ blood from the right ventricle directly into the right __________ (can anastomose with small cardiac vein)q

A

cardiac, poor, atrium

38
Q

The great cardiac vein, middle cardiac vein, small cardiac vein, left posterior ventricular vein, left marginal vein, and oblique vein drain into the __________ sinus which returns oxygen-_______ blood from the rest of the heart to the right __________

A

coronary, poor, atrium

39
Q

What is atheroscelerosis?

A

plaque build up in an artery

40
Q

what is cardiac bypass/?

A

utilizing a vein from somewhere else to attach to coronary artery then just past the occulsion point to bypass the blockage

41
Q

T/F cardiac cells have their own intrinsic contraction rythm

A

T

42
Q

the _________ node sets the heart rate by conducting impulses to the atrial myocardium and to the _______ node

A

sinoatrial, atrioventricular

43
Q

Where is the sinoatrial node located?

A

in the wall of the right atrium adjacent to the superior vena cavaea

44
Q

where is the atrioventricular node located?

A

inferior region of interatrial septum near the opening of the coronary sinus

45
Q

The atrioventricular node conducts impulses via the atrioventricular bundle, right and left bundle branches, and the _____ fibers to papillary muscles and ventricular _________

A

purkinje, myocardia

46
Q

Where is the bundle of his located? what is it?

A

membranous portion of interventricular septum, the atrioventricular bundle

47
Q

Where are the left and right bundle branches located?

A

muscular portion of the interventricular septum

48
Q

The heart rate is set by the sinoatrial node but can be altered by the _________ fibers

A

autonomic

49
Q

The cardiac plexus is formed by _________sympathetic fibers from cervical and superior thoracic (T1-T5) ganglia of the _______ trunk and parasympathetic fibers from _________ branches of the vagus

A

postganglionic, sympathetic, cardiac

50
Q

_________ innervation increases heart rate and contraction strength by innervating the SA node, AV node, and myocardium

A

sympathetic

51
Q

_________ innervation decreases heart rate by innervating SA node and AV node

A

parasympathetic

52
Q
A

Human Cadaver Anatomy (39 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions