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Phyana Finals > HEART: Seeley's > Flashcards

HEART: Seeley's Flashcards

0
Q

Softer
Higher
Shorter

A

Dub (S2)

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1
Q

louder
Lower
Longer

A

Lub (S1)

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2
Q

Heart rate in 100bpm

A

Tachycardia

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3
Q

60bpm

A

Bradycardia

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4
Q

Composed of cardiac muscle cells

Responsible for contraction of heart chambers

A

Myocardium

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5
Q

Allows blood to move easily through the heart

A

Endocardium

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6
Q

Slow repolarization

A

Plateau phase

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7
Q

Sequence of AP in cardiac muscle

A

Depolarization
Plateau
Repolarization

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8
Q

Connect papillary muscles to tricuspid valve and mitral valve in heart

A

Chordae tendinae

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9
Q

Prevent back flow of blood into right atrium

A

Tricuspid valve

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10
Q

Ventricular contraction

A

Systole

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11
Q

Ventricular relaxation

A

Diastole

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12
Q

Blunt, rounded point of the heart

A

Apex

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13
Q

Larger, flat part at the opposite end of the heart

A

Base

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14
Q

Cavity that surrounds the heart

Formed by pericardium and pericardial sac

A

Pericardial cavity

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15
Q

Carries the blood from the body to the right atrium

A

Vena cava

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16
Q

Carrie blood from lungs to left atrium

A

4 pulmonary veins

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17
Q

2 arteries that exit the heart

A

Pulmonary trunk and aorta

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18
Q

Carry blood to the lungs

A

Pulmonary trunk

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19
Q

Carries blood from the rest of the body

A

Aorta

20
Q

Separates atria

A

Interatrial septum

21
Q

Separates ventricles

A

Interventricular septum

22
Q

It is thicker that RV

Contracts more and generates greater blood

A

Left Ventricle

23
Q

Between LA RA LV and RV

A

Atrioventricular Valves

24
Q

Supply blood to the wall of the heart

A

Coronary arteries

25
Q

Drains blood from the cardiac muscle

A

Cardiac veins

26
Q

Responsible for the contraction of the heart chamber

A

Myocardium

27
Q

Allows blood to move easily through the heart

A

Endocardium

28
Q

Action potentials (phases)

A

Depolarization
Plateau phase
Repolarization

29
Q

Slow repolarization

A

Plateau phase

30
Q

Record of electrical events

A

Electrocardiogram

31
Q

Normal ECG contains

A

P wave
QRS complex
T wave

32
Q

Results from depolarization of the atrial myrocardium

A

P wave

33
Q

Beginning of P wave proceeds to…

A

Onset of atrial contraction

34
Q

Result from depolarization of the ventricles

A

QRS complex

35
Q

Beginning of QRS COMPLEX proceed to…

A

Ventricular contraction

36
Q

Repolarization of the ventricles

A

T wave

37
Q

Beginning of T wave proceeds to…

A

Ventricular relaxation

38
Q

Bet. p wave and beginning of QRS

A

PQ Interval

39
Q

Bet. of QRS and end of T wave

A

QT interval

40
Q

Refers to the repititive pumping process that begins at cardiac muscle contraction and ends at the beginning of the next contraction

A

Cardiac cycle

41
Q

Contraction of 2 atria

A

Atrial systole

42
Q

Relaxation of 2 ventricles

A

Ventricular distole

43
Q

AP in cardiac muscle

A

Depo phase
Plateau
Repo

44
Q

AP in skeletal muscle

A

Depo phase

Repo

45
Q

Swishing sound

Result of faulty values

A

Murmurs

46
Q

Valve is narrowed

Closed because of the swishing sound

A

Stenosed

47
Q

How to compute cardiac output?

A

Stroke Volume x Heart rate

Phyana Finals (4 decks)

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