N244 RESPIRATORY EXAM 2025 QUESTIONS AND ANSWERS

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N244 RESPIRATORY EXAM 2025 QUESTIONS AND ANSWERS

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N244 RESPIRATORY EXAM 2025 QUESTIONS AND ANSWERS

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N244 RESPIRATORY EXAM 2025
QUESTIONS AND ANSWERS

What measures oxygenation in the body? - ....ANSWER ...-chemoreceptors

Sa O2>60

CO2 <70

What is lung compliance? - ....ANSWER ...-measure the elasticityy of the

lungs and thorax

What is airway resistance? - ....ANSWER ...-opposition of gas flow in the

airways. Mainly due to the diameter of the airways.

***small changes in diameter produce large changes in resistance.

The amount of carbon dioxide in plasma dictates the? - ....ANSWER ...-

acidity of blood

What does shunt mean? - ....ANSWER ...-it means the amount of blood

circulating through the lungs that does not participate in gas exchange.

....COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED...TRUSTED & VERIFIED 1

, Normal shunt is

To estimate a patients shunt how do we calculate? - ....ANSWER ...-take the

patient Pa O2 and divide by FiO2.

What is hypoxia? - ....ANSWER ...-decrease tissue profussion.

What is hypoxemia? - ....ANSWER ...-decreased in arterial blood

transportation

Think RAT for hypoxia? - ....ANSWER ...-*restlessness

*agitation, anxiety

*tachycardia, tachypnea

What is acute respiratory failure characterized by? - ....ANSWER ...-PH

<7.35

PCO2>50

PaO2<60

Risk factors for ARF are? - ....ANSWER ...-*increased age

*comorbidities

*sepsis/shock

....COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED...TRUSTED & VERIFIED 2

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