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IB Sports, Exercise and Health Science > Unit 2 > Flashcards

Unit 2 Flashcards

1
Q

Cardiovascular Adaptations?

A

Increased left ventricle volume, increased number of capillaries in muscles, increased arteriovenous oxygen difference, increased VO2 max

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2
Q

Cardiac drift?

A

Due to thermoregulation and decreased blood volume, stroke volume decreases so heart rate increases

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3
Q

pulmonary circulation?

A

Deoxygenated blood from right side to lungs back to left side

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4
Q

systemic circulation?

A

oxygenated blood from left side to rest of body back to right side

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5
Q

Sympathetic nervous system

A

Fight or flight, increase heart rate (adrenaline)

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6
Q

Parasympathetic nervous system

A

Rest and digest, decrease heart rate (acetylcholine)

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7
Q

Intrinsic regulation?

A

sinoatrial node, atrioventricular node, bundle of his, purkinje fibers

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8
Q

Role of conducting airways?

A

Filter, warn/moisten, low resistance pathway

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8
Q

Role of conducting airways?

A

Filter, warn/moisten, low resistance pathway

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9
Q

Pulmonary ventilation

A

Exchange of air between atmosphere and lungs (breathing)

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10
Q

Tidal Volume

A

Volume of air breathed in and out in one breath

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11
Q

Expiratory Reserve volume

A

Volume of air in excess of tidal volume that can be exhaled forcibly

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12
Q

Inspiratory reseve volume

A

additional inspired air over tidal volume

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13
Q

Residual volume

A

Volume of air still contained in lungs after maximal exhalation

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14
Q

Vital capacity

A

Maximum volume of air that can be exhaled after a maximal inhalation

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15
Q

Calculate vital capacity?

A

Tidal volume + IRV + ERV

16
Q

Total lung capacity

A

Volume of air in the lungs after a maximum inhalation

17
Q

Calculate total lung capacity?

A

Vital capacity + residual volume

18
Q

Systolic Blood Pressure

A

The force exerted by blood on arterial walls during ventricular contraction

19
Q

Diastolic Blood Pressure

A

The force exerted by blood on the arterial walls during ventricular relaxation

20
Q

VO2 Max?

A

Maximum amount of oxygen the body can utilize during exercise

IB Sports, Exercise and Health Science (3 decks)

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