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Ther Ex II > CV exercise > Flashcards

CV exercise Flashcards

(50 cards)

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1
Q

cardiac output=

A

heart rate x stroke volume

HR x SV

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2
Q

normal resting HR

A

50-80 bpm

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3
Q

Max HR=

A

220-age

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4
Q

increase in HR during exercise is achieved by decreased time in…

A

diastole

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5
Q

SV=

A

End diastolic volume - End systolic volume

EDV-ESV

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6
Q

stroke volume is regulated by (3)

A
  1. EDV
  2. Average aortic BP
  3. Ventricular contraction strength
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7
Q

“Greater preload results in stretch of ventricles which increase force of contraction”

A

Frank-Starling mechanism

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8
Q

3 mechanisms for increasing venous return

A
  1. venoconstriction
  2. respiratory pump
  3. skeletal mm pump
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9
Q

increased mean arterial pressure will ____ stroke volume

A

decrease

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10
Q

BP normal

A

120/80 mmHg

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11
Q

BP increases w/ (4)

A
  1. CO
  2. Resistance
  3. Blood volume
  4. Blood viscosity
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12
Q

during exercise, which BP measurement increases the most?

A

systolic

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13
Q

Resistance is dependent upon (3)

A
  1. Radius
  2. Viscosity
  3. Length
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14
Q

the difference in oxygen levels in artery vs vein

A

A-V O2

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15
Q

“Blood is diverted away from systemic organs and to skeletal mm during exercise”

A

Wolf’s Law

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16
Q

Consists of trachea, main stem bronchi, L and R bronchi, terminal bronchioles

A

Conducting zone

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17
Q

Consists of respiratory bronchioles, alveolar ducts, alveolar sacs

A

Respiratory zone

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18
Q

volume of gas inspired or expired during an unforced respiratory cycle

A

tidal volume

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19
Q

max amount of gas that can be expired after a max inspiration

A

vital capacity

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20
Q

amount of gas left after maximal expiration

A

residual volume

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21
Q

amount of gas in lungs after a maximum inspiration

Study These Flashcards
A

total lung capacity

22
Q

CO2 is transported in blood by (3)

Study These Flashcards
A
  1. Bicarbonate (70%)
  2. Hemoglobin (20%)
  3. Dissolved (10%)
23
Q

Chemoreceptors send messages to _____ to provide initial drive for ventilation

Study These Flashcards
A

medulla oblongata

24
Q

With exercise, respiratory rate and tidal volume…

25
Chronic changes to CV function with training (3)
1. increased max CO 2. increased capillary density 3. decreased resting HR
26
Abnormal responses to exercise (3)
1. no HR rise 2. SBP rises over 20 mmHg or decreases 3. DBP increases over 15mmHg
27
What does FITT stand for?
Frequency Intensity Time Type
28
Frequency is dependent on (3)
1. pt goals 2. intensity/duration 3. previous fitness level
29
target HR range for overload for healthy person
60-90% of HR max
30
target VO2 range for overload for healthy person
50-85% VO2 max
31
target HR range for overload for unhealthy person
40-60% HR max
32
target VO2 range for overload for unhealthy person
40-50% VO2 max
33
Karvonen formula for target HR range
(HR max - HR rest) x intensity + HR rest
34
MET level =
VO2 / 3.5 mL/kg/min
35
VO2 max =
HR max X SV max X (a-VO2)max
36
How do you increase intensity? (3)
1. resistance 2. speed 3. remove stabilization
37
continuous training that is >30min 40-59% VO2 max
low intensity, long duration training
38
continuous training that is25-50 min, 80-90% VO2 max
high intensity training
39
Which training method is best for weight loss?
Low intensity, long duration continuous
40
which training method is best for increasing VO2max?
High intensity continuous
41
Cardiovascular training methods (3)
1. continuous 2. interval 3. circuit
42
High intensity, short duration training (>60 sec, 85-100 HR max) Work/rest intervals
Interval training
43
series of activities repeated several times
circuit training
44
arm exercises result in higher (2)
1. HR | 2. BP
45
work =
force x distance
46
power =
work/time
47
measurement of heat production as an indication of metabolic rate
direct calorimetry
48
measurement of oxygen consumption as an estimate of resting metabolic rate
indirect calorimetry
49
Difference between direct and indirect calorimetry
direct uses ATP
50
Indications to stop test (3)
1. Angina 2. SOB 3. SBP drops

Ther Ex II (9 decks)

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