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Anatomy and Physiology - 300 > Heart Lecture 1 > Flashcards

Heart Lecture 1 Flashcards

1
Q

Mediastinum

A

Connective tissue protecting heart (heart location)

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2
Q

Heart position

A

2/3rds left body midline

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3
Q

Apex location

A

5th intercostal space

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4
Q

Base Location

A

3rd costal cartilage

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5
Q

Pericardium

A

membrane protecting heart

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6
Q

Fibrous pericardium function

A

Hold heart in place, prevents stretch, provide protection

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7
Q

Serous pericardium how many layers

A

Divided in 2 layers

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8
Q

Parietal pericardium layer

A

Outer layer fused to fibrous layer

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9
Q

Visceral pericardium

A

Adheres to heart surface

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10
Q

Pericardial cavity

A

Space b/w parietal and visceral layers

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11
Q

Pericardial fluid

A

Fluid b/w layers. Reduce friction

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12
Q

Pericarditis

A

Pericardium inflammation

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13
Q

Cardiac tamponade

A

excess pericardial fluid

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14
Q

Epicardium

A

Outer layer of heart

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15
Q

Myocardium

A

muscle tissue 95% heart mass

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16
Q

Endocardium

A

smooth lining inside the heart

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17
Q

how many chambers

A

4 total
2 atria
2 ventricles

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18
Q

Atria

A

Receives blood from body

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19
Q

Auricles

A

“little ears” to receive more blood

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20
Q

Septum

A

Connective tissue separate chambers

21
Q

Interventricular septum

A

separate ventricles

22
Q

Interatrial septum

A

Separate atrium

23
Q

Sulcus

A

Grooves b/w chambers, hold fat/blood vessels

24
Q

Coronary sulcus

A

separates atrium/ventricles

25
Q

Anterior interventricular sulcus

A

separate anterior ventricles

26
Q

Posterior interventricular sulcus

A

separate posterior ventricles

27
Q

Right atrium

A

receive from systemic circuit (body)

28
Q

Right ventricle

A

receive deoxygenated from right atrium into pulmonary circuit (lung)

29
Q

Left atrium

A

receives oxygenated blood from pulmonary circuit (lungs)

30
Q

Left ventricle

A

receive from left atrium into systemic circuit (body)

31
Q

Right Atrium receives blood from (3)

A
  1. superior vena cava
  2. inferior vena cava
  3. Coronary sinus
32
Q

RA Anterior wall rough because

A

pectinate muscles for contractions

33
Q

Bi-cuspid mitral valve function

A

control blood passage LA to LV

34
Q

Fossa ovalis

A

Oval depression from foramen ovale

35
Q

Ligament arteriosum

A

Connect pulmonary trunk to aorta. (Lungs to body)

36
Q

Ductus Arteriosus

A

duct connect pulmonary trunk to body

37
Q

Trabeculae carneae

A

muscle ridges

38
Q

Papillary muscles attach where

A

stick out of trabeculae carneae

39
Q

Chordae tendineae

A

attach to valves

40
Q

Pulmonary valve

A

Blood pass from RV to lungs

41
Q

Left ventricle, why stronger

A

Largest chamber, More muscle to pump blood further

42
Q

Aortic valve

A

Where blood passes from LV to aorta

43
Q

Myocarditis

A

Inflamed heart muscles (viral infections)

44
Q

Endocarditis

A

Inflamed endocardium (bacterial infections)

45
Q

Pericarditis

A

Pericardium Inflammation
(viral infection)

46
Q

which direction blood flows

A

One-way flow

47
Q

Pressure changes cause

A

open/closing valves causing blood flow

48
Q

valve b/w each ventricle/atrium

A

Atrioventricular valve

49
Q

At exit from each ventricle

A

Semilunar valves

Anatomy and Physiology - 300 (14 decks)

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