No No No Don’t Phunk With My Heart Anatomy COPY card 1-45

Question 1

what part of the heart is the base and where is it situated in relationship to the rest of the heart?

Answer 1

• the anterior part of the heart is the base
• The base is superior and posterior

Question 2

What part of the heart is the “apex” and where is it situated in relation to the rest of the heart?

Answer 2

• apex is the point, the bottom
• the apex is inferior and more anterior in the body in comparison to the base

Question 3

fibrous connective tissue bag surrounding the heart

Answer 3

fibrous pericardium

Question 4

Which layer of the pericardium is dense collagen fibers, not easily stretchable

Answer 4

fibrous pericardium

Question 5

Which layer of the pericardium is attached to the superior surface of the diaphragm?

Answer 5

fibrous pericardium

Question 6

Which layer of the pericardium is, blends with connective tissues surrounding the great vessels(aorta, vena cava, pulmonary trunk)?

Answer 6

fibrous pericardium

Question 7

Which layer of the pericardium is a thin, continuous, serous membrane that forms a double layer around the heart

Answer 7

serous pericardium

Question 8

Which layer of the pericardium is, it covers the external surface of the heart wall and great vessels and the internal surface of the fibrous pericardium.

Answer 8

serous pericardium

Question 9

Which layer of the pericardium is this?

• thin layer adheres to the fibrous pericardium
• very difficult to sperate from the fibrous pericardium in anatomical specimens

Answer 9

serous pericardium outer layer

(aka parietal pericardium)

Question 10

serous membrane , it secretes serous fluid into the pericardial cavity in order to reduce friction as the heart beats within its protective sac, the pericardium

Answer 10

serous pericardium inner layer (aka visceral pericardium)

Question 11

a potential space between the two layers of the serous pericardium containing a thin film of lubricating serous fluid

Answer 11

pericardial cavity

Question 12

Where is each layer located in relation to the layers of the heart wall and the other layer of the pericardium?

Answer 12

Question 13

what is the name of the serous pericardium on the external surface of the heart wall

Answer 13

epicardium

Question 14

the serous pericardium on the external surface of the heart

Answer 14

epicardium

Question 15

layer of cardiac muscle and the cardiac conducting system; thickness varies depending on the work required of the muscle

Answer 15

myocardium

Question 16

what lies between the myocardium and epicardium?

Answer 16

coronary vessels and a variable amount of fat

Question 17

simple squamous lining the of the heart; continuous with endothelium of blood vessels

Answer 17

endocardium

Question 18

which has the the thinnest wall of all the chambers?

Answer 18

right atrium

Question 19

venous return from the head, neck, upper limbs and chest wall?

in what chamber?

Answer 19

superior vena cava

right atrium

Question 20

venous return from everything inferior to the thoracic diaphragm

located in what chamber?

Answer 20

inferior vena cava

right atrium

Question 21

venous return from the coronary circulation?

located in what chamber?

Answer 21

coronary sinus

right atrium

Question 22

connects the right atrium and ventricle?

(aka right atrioventricular valve)

located in which chamber?

Answer 22

tricuspid valve

Question 23

what supports the tricuspid valve’s function?

located in which chamber?

Answer 23

papillary muscles and tendinous cords

right ventricle

Question 24

the pulmonary trunk opens from where?

Answer 24

the upper portion of the right ventricle

Question 25

regulates the flow of blood into the pulmonary trunk? located in which chamber?

Answer 25

pulmonic valve right ventricle

Question 26

there are usually a total of four pulmonary veins; two from each lung located in which chamber?

Answer 26

left atrium

Question 27

connects the left atrium and ventricle located in which chamber? aka left atrioventricular valve

Answer 27

mitral valve left atrium

Question 28

the \_\_\_\_\_is thickest wall of the heart chambers; \_\_\_\_times thicker than the right ventricle

Answer 28

left ventricle 3

Question 29

what supports the mitral valve's function? what chamber is mitral valve located?

Answer 29

papillary muscles and tendinous cords left atrium

Question 30

ascending aorta opens from the upper part of this ventricle

Answer 30

left ventricle

Question 31

regulates the flow of blood into the aorta what chamber is it located

Answer 31

aortic valve left ventricle

Question 32

what septum separates the left and right atria

Answer 32

interatrial septum

Question 33

what is the septa?

Answer 33

walls between the chambers

Question 34

a thin depression in the middle of the interatrial septum; remnant of the foramen ovale of the fetal heart

Answer 34

fossa ovalis part of interatrial septum

Question 35

what septum separates the left and right ventricle

Answer 35

interventricular septum

Question 36

most of the interventricular septum is formed of ____ \_\_\_\_ \_\_\_\_.

Answer 36

thick cardiac muscle | (muscular part)

Question 37

a small area in the upper part of the interventricular septum is composed of a thin membrane; most common site of interventricular septal defects

Answer 37

membranous part of interventricular septum

Question 38

the structure of \_\_\_\_\_\_\_\_\_\_is described as broad, flat valves cusps: flaps of dense connective tissue covered with endocardium

Answer 38

atrioventricular valve right av-tricuspid valve left av-mitral valve

Question 39

the cusp of the atrioventricular valves(tricuspid and mitral) are held in position by \_\_\_\_\_\_\_\_\_attached to ______ \_\_\_\_\_\_\_ in the \_\_\_\_\_\_, preventing cusps from _____ \_\_\_\_\_\_

Answer 39

the cusp of the atrioventricular valves(tricuspid and mitral) are held in position by **tendinous cords** attached to **papillary muscles** in the **ventricles**, preventing cusps from **being everted**

Question 40

three concave cups of roughly equal size

Answer 40

structure of semilunar valves

Question 41

which type of valve is composed of thin fibrous connective tissue covered by endocardium

Answer 41

cusp of semilunar valves

Question 42

what is the hollow space inside the closed valve cusp of a semilunar valve

Answer 42

sinus

Question 43

the semilunar valves are self supporting and have no _____ or \_\_\_\_\_\_

Answer 43

papillary muscles or tendinous cords

Question 44

what valve controls flow from the right ventricle into the pulmonary trunk

Answer 44

pulmonic valve (a semilunar valve)

Question 45

heart valves are \_\_\_\_\_\_structures: valve cusps are not directly opened and closed by the _____ \_\_\_\_\_\_ \_\_\_\_\_

Answer 45

passive pull of muscle contraction