Cardiovascular System & Exercise Flashcards

0
Q

Ejection Fraction Percent of blood?

A

55%a

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1
Q

Equation for CO

A

CO=SVxHR

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2
Q

What is the name for Cardiac Output

A

Fick Equation

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3
Q

Fick’s Equation =

A

CO= [VO2/(A-V)] * 100

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4
Q

What does a-v stand for

A

how much O2 the muscles extract for work

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5
Q

Average cardiac output for male and female

A

male 5 L/min

female 4 L/min

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6
Q

how many ml O2/L of blood

A

200 ml O2/L of blood

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7
Q

if 5 L CO, whats the mL oxygen available?

A

1000ml O2

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8
Q

how much O2 in ml/min is used?

A

250-300 ml/min O2 @ rest

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9
Q

What is our O2 reserve?

A

750ml O2 reserve

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10
Q

1L blood = ? O2

A

200ml

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11
Q

Direct neural supply of HR is by

A

Ventro-Lateral Medulla

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12
Q

What are the 2 systems of indirect HR control (increasing HR?)

A

SNS and PNS

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13
Q

What 2 SNS chemicals and 2 effects on HR?

A

Catecholamines- epinephire and norepinephrine
+chronotropy
+inotropy

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14
Q

What is the 3rd indirect system (only) that decreases HR?

A

Vagus nerve

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15
Q

How does Vagus nerve affect HR? Chronotropy or Inotropy?

A
  • chronotropy (rate)

NO inotropy

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16
Q

when does mycardium reciegve blood

A

diastole

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17
Q

Is heart muscle aerobic or anaerobic

A

Myocardium is Aerobic

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18
Q

3 sources of energy for heart?

A

glucose
fatty acid
lactate from glycolysis in muscle

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19
Q

@ rest, heart extracts __? O2 from coronaries?

A

70-80% O2 from coronaries

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20
Q

equation for BP?

A

BP= CO * TPR

21
Q

TPR is reflected by Systole or Diastole?

A

TPR is refleted by diastole

22
Q

Capacitance system ___ % of blood at rest in the veins?

A

60%

23
Q

Volume of blood in each RESTING minute

__ml O2 entering bloodstream

A

250 ml O2

24
Q

Volume of blood in each RESTING minute

__ml CO2 diffusing into the lungs

A

200 ml CO2

25
Q

endurance atheletes increase O2 resting volume by

A

25x

26
Q

volume and capacities are ___% less in women

A

20-25%

27
Q

what type of volume/capacities refer to idenficiation of anatomical and functional impairments

A

static

28
Q

dynamic volume and capacities depend on what 2 factors on air

A

volume

speed

29
Q

Static, tidal volume is ___ ml

A

500-600 ml

30
Q

IRV is __ L

A

2-3 L

31
Q

ERV is ____ L

A

0.8 to 1.2 L

32
Q

RV is ___ ml

A

1000 - 12000 ml

33
Q

Sum of static volumes is calleed

A

TLC, total lung capacity

34
Q

what is the TLC in static volume

A

4-6 L

35
Q

What is TLC equation

A

IRV + Vt + ERV + RV

36
Q

what is TLC __L

A

4-6 L

37
Q

VC is ___ L

A

4 - 5 L

38
Q

VC equation

A

IRV + Vt + ERV

39
Q

Inspiratory capacity is ___ ml

A

3500 ml

40
Q

Inspiratory Capacity equation?

A

Vt + IRV

41
Q

Functional Residual Capacity FRC is ___ ml

A

2300 ml

42
Q

TLC male

A

6000 ml

43
Q

TLC female

A

4200 ml

44
Q

ERV male

A

1200 ml

45
Q

ERV female

A

800 ml

46
Q

IRV male

A

3000 ml

47
Q

IRV female

A

1900 ml

48
Q

TV male

A

600 ml

49
Q

TV female

A

500 ml

50
Q

FEV1 / FVC is ___% for normal

A

85%