Resistance and Compliance concepts Flashcards

1
Q

Resistance varies with what in regards to an ETT?

A

volume of gas passing through the tube per unit time

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2
Q

what is importance in determing resistance?

A

flow (V)

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3
Q

The ETT causes an increase work in breathing due to ?

A

small diameter and length

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4
Q

what law is associated with resistance and gas flow?

A

hagen-poiseuille

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5
Q

what is formula associated with laminar flow resistance?

A

P = (L x v x V) / r^4

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6
Q

True or false. In Laminar flow, Resistance indirectly proportional to flow rate

A

false. directly proportional

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7
Q

true or false. In turbulent flow, Resistance directly proportional to square of flow rate

A

true

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8
Q

what formula is associated with turbulent flow resistance

A

P = (L x V^2 x K)/ r^5

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9
Q

What is the measure of distensibility?

A

compliance

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10
Q

what is the formula for compliance?

A

C = V/P units are ml/cmH2O

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11
Q

what are properties of compliance?

A

Helps determine tidal volume

Most distensible components are reservoir bag & breathing tubes

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