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Respiratory Nurs 5315 UTA Exam Questions and Answers 100% Pass

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Respiratory Nurs 5315 UTA Exam Questions and Answers 100% Pass What makes up the conducting airway zone? - ANSWER-Extra- thoracic and Intra thoracic structures What are the extra thoracic structures? - ANSWER-Nose, pharynx, larynx, trachea What are the Intra- Thoracic structures? - ANSWER-Bron...

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respiratory nurs 5315 uta exam questions and answe

Institution Prep Tests 2025
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Respiratory Nurs 5315 UTA Exam
Questions and Answers 100% Pass

What makes up the conducting airway zone? - ANSWER✔✔-Extra- thoracic and Intra

thoracic structures

What are the extra thoracic structures? - ANSWER✔✔-Nose, pharynx, larynx, trachea

What are the Intra- Thoracic structures? - ANSWER✔✔-Bronchi, Bronchioles, trachea

What structures make up the respiratory zone? - ANSWER✔✔-Terminal bronchioles,

Alveoli, Alveolar capillaries

What 4 factors effect the muscles in the bronchi and bronchioles? And how do they aid

in muscle muscle movement? - ANSWER✔✔-1. Epinephrine - relax smooth muscle

2. Acetylcholine - aid in the contraction of bronchiolar and smooth muscle

bronchoconstriction

3. Leukotrienes- constriction

4. Histamines and substances from mast cells ( anaphylaxis) - constriction

What are the 3 ways that Intra thoracic pressure changes that result in air movement

into and out of the alveoli? - ANSWER✔✔-1. Pleural Pressure : normally-5cm H2O,

Copyright ©SOPHIABENNETT 2025 ACADEMIC YEARALL RIGHTS RESERVED. Page 1/28

,when chest expands pressure decreases to -7.5 cm H2O which leads to increase suction

forces pulling lungs with rib cage

2. Alveolar Pressure: pressure in alveoli= pressure in respiratory tree when glottis is

open= atmospheric pressure is 0 cm H2O

-expands and pressure decrease -1cmH2O moving air into lungs, recoil and pressure

increase to +1 cmH2O moving air out of lungs

3. Trans pulmonary Pressure: pressure difference between pleural and alveolar

pressure. Elastic forces that cause lung collapse at the end of exhalation are

counteracted by PEEP ( positive end expiratory pressure), surfactant, and closed glottis.

How does a pneumothorax disrupt Intra thoracic pressure and change air movement? -

ANSWER✔✔-The pleural space is breached introducing air and causing the lung to

collapse. Alveolar pressure becomes equal to pleural pressure causing the lung to not

move.

What are the 2 goals of respiration? - ANSWER✔✔-1. Provide O2 for the body to use to

make energy ( ATP)

2. Remove carbon dioxide( by-product of metabolism) from the body

What are the 4 steps in respiration? - ANSWER✔✔-1. Ventilation

Copyright ©SOPHIABENNETT 2025 ACADEMIC YEARALL RIGHTS RESERVED. Page 2/28

, 2. Gas exchange

3. Perfusion

4. Transport

Define ventilation - ANSWER✔✔-Movement of air in and out of the lungs

Define gas exchange - ANSWER✔✔-Diffusion of O2( oxygenation) and CO2 between

alveoli in the in the lungs and blood

Define perfusion - ANSWER✔✔-Movement of blood into and out of the capillary beds

Define transport - ANSWER✔✔-Movement of O2 and CO2 via blood and circulatory

system

What are Intra- thoracic respiratory structures dependent upon to maintain patency? -

ANSWER✔✔-Pressure

What lines the respiratory passages? - ANSWER✔✔-1. Goblet cells- secret mucous

2. Cilia- clear debris from airways and keep airways moist

What blocks the pharynx airway when eating? - ANSWER✔✔-Epiglottis

Where respiratory structure originates from the glottis? - ANSWER✔✔-Vocal cords

What respiratory structure isn't active in infants? - ANSWER✔✔-Epiglottis

Copyright ©SOPHIABENNETT 2025 ACADEMIC YEARALL RIGHTS RESERVED. Page 3/28

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