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?

23
Q

Volume of blood in each RESTING minute

__ml O2 entering bloodstream

24
Volume of blood in each RESTING minute | __ml CO2 diffusing into the lungs
200 ml CO2
25
endurance atheletes increase O2 resting volume by
25x
26
volume and capacities are ___% less in women
20-25%
27
what type of volume/capacities refer to idenficiation of anatomical and functional impairments
static
28
dynamic volume and capacities depend on what 2 factors on air
volume | speed
29
Static, tidal volume is ___ ml
500-600 ml
30
IRV is __ L
2-3 L
31
ERV is ____ L
0.8 to 1.2 L
32
RV is ___ ml
1000 - 12000 ml
33
Sum of static volumes is calleed
TLC, total lung capacity
34
what is the TLC in static volume
4-6 L
35
What is TLC equation
IRV + Vt + ERV + RV
36
what is TLC __L
4-6 L
37
VC is ___ L
4 - 5 L
38
VC equation
IRV + Vt + ERV
39
Inspiratory capacity is ___ ml
3500 ml
40
Inspiratory Capacity equation?
Vt + IRV
41
Functional Residual Capacity FRC is ___ ml
2300 ml
42
TLC male
6000 ml
43
TLC female
4200 ml
44
ERV male
1200 ml
45
ERV female
800 ml
46
IRV male
3000 ml
47
IRV female
1900 ml
48
TV male
600 ml
49
TV female
500 ml
50
FEV1 / FVC is ___% for normal
85%