hart Flashcards

1
Q

what is the word for a state of equilibrium w/in the body

A

homeostasis

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2
Q

what is the normal heart rate for adults

A

75 bpm

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3
Q

what is the cardiovascular system

A

the heart and blood vessels

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4
Q

what blood vessels carry blood away from the heart

A

arteries

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5
Q

what do arteries branch to form

A

arterioles

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6
Q

which blood vessels carry blood towards the heart

A

veins

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7
Q

what do veins branch to form

A

veinules

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8
Q

what are the veins and arteries entering/leaving the heart called

A

the great vessels

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9
Q

where does the right side of the heart direct blood to

A

the lungs for gas exchange and to be oxygenated

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10
Q

where does the left side of the heart direct blood to

A

body

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11
Q

what is in the pulmonary system

A

the right side of the heart
the pulmonary arteries
the pulmonary veins

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12
Q

what does the systemic circulation consist of

A

the L side of the heart
aorta, capillaries

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13
Q

what are the 2 layers of the pericardium

A

fibrous and serous

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14
Q

what are the 2 layers of the serous pericardium

A

parietal and visceral

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15
Q

the visceral layer of the serous pericardium is also called the

A

epicardium

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16
Q

what is the procedure called when a long needle is inserted into the pericardial cavity to drain excess fluid

A

pericardiocentesis

17
Q

what is the surgery that removes the entire pericardial sac called

A

pericardiectomy

18
Q

what are the 3 layers of the heart wall (superfiscial to deep)

A

epicardium
myocardium
endocardium

19
Q

what is the condition called where there is fluid/blood in the pericardial sac

A

cardiac tamponade

20
Q

what are some signs of cardiac tamponade

A

pulsus paradoxus
jugular vein distention

21
Q

what is removed in a pericardiectomy

A

fibrous pericardium and parietal layer of the serous pericardium

22
Q

what provides electrical insulation between atria and ventricals in the heart

A

fibrous skeleton

23
Q

what 2 things does the right atrium receive venous blood from

A

sup. and inf. vena cava

24
Q

what drains blood from the heart wall

A

coronary sinus

25
Q

what is the thin wall between the L and R artia called

A

interatrial septum

26
Q

what forms a thick wall between the left and right ventricles

A

interventricular septum

27
Q

what are the smooth, irregular muscular ridges found on the inner wall surface of each ventricle called

A

trabeculae carneae

28
Q

the right ventricle has 3 cone shaped, muscular projections called _____ ____

A

papillary muscles

29
Q

papillary muscles anchor thin strands of collegen called ____ _____

A

chordae tendinae