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Musculoskeletal system > Respiratory system > Flashcards

Respiratory system Flashcards

1
Q

Which nerves control your diaphragm ?

A

The left phrenic nerve sends signals to the left part of your diaphragm, while the right phrenic nerve controls your right side

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2
Q

What is atmospheric pressure ?

A

1 atm or 760 mmHg

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3
Q

Whether we are exhaling or inhaling what is interpleural pressure always below ?

A

760 mmHg or 1 atm

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4
Q

What does Tidal Volume (TV) mean ?

A

Tidal Volume: the amount of air going in and out of lungs during normal breathing.

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5
Q

What does Expiratory Reserve Volume (ERV) mean ?

A

Is the amount of extra air — above-normal volume — exhaled during a forceful breath out.

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6
Q

What does Inspiratory Reserve Volume (IRV) mean ?

A

Is the extra volume of air that can be inspired - above normal volume- inhaled during a forceful breath in.

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7
Q

What does Residual Volume (RV) mean ?

A

Residual volume is the amount of air that remains in a person’s lungs after fully exhaling.
Its the amount of air in the lungs at all times

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8
Q

What does Inspiratory Capacity (IC) mean ?

A

The total amount of air we can take in with forceful respirations. ( tidal volume + inspiratory reserve volume)

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9
Q

What does Functional Residual Capacity (FRC) mean ?

A

The amount of air left in the lungs after normal respiration

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10
Q

What is Vital Capacity (VC) ?

A

Vital capacity is the maximum amount of air a person can inhale after a maximum exhalation. It is equal to the sum of inspiratory reserve volume, tidal volume, and expiratory reserve volume.

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11
Q

What does Total Lung Capacity (TLC) mean ?

A

(TLC) is the volume of air in the lungs upon the maximum effort of inspiration. Among healthy adults, the average lung capacity is about 6 liters.

TLC = everything

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12
Q

What does Total Lung Capacity (TLC) mean ?

A

(TLC) is the volume of air in the lungs upon the maximum effort of inspiration. Among healthy adults, the average lung capacity is about 6 liters.

TLC = everything

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13
Q

Which muscles do you need for inspiration ?

A

Diaphragm
External intercostal muscles contract

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14
Q

What muscles do we need for expiration ?

A

Diaphragm
External intercostal muscles relax
Internal intercostal muscles contract

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Musculoskeletal system (29 decks)

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