IUPUI Physiology Exam 5 (2025/2026) – 100+ Solved Questions | Pulmonary Ventilation, Alveoli, CFTR & V/Q Ratios

IUPUI Physiology Exam 5 2025/2026
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Pulmonary Ventilation - 🧠ANSWER ✔✔(breathing) movement of air into and out

of lungs


Inhalation (Inspiration) - 🧠ANSWER ✔✔breathing in


Exhalation (Expiration) - 🧠ANSWER ✔✔breathing out


Respiratory Cycle - 🧠ANSWER ✔✔one complete inspiration and expiration


*IMPORTANT* Respiratory cycle begins with an inhalation - 🧠ANSWER

✔✔*IMPORTANT* Respiratory cycle begins with an inhalation


Conduction Zone - 🧠ANSWER ✔✔Responsible for transporting air from the

external environment to the site of gas exchange (alveoli). It is also responsible for

humidifying, warming, and filtering the air so it don't irritate the tissues of the lung



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, Upper Respiratory Tract (Food and Air) - 🧠ANSWER ✔✔Nasal and/or Oral

Cavity

Pharynx

Upper Larynx


Respiratory Zone - 🧠ANSWER ✔✔The site where gas exchange actually takes

places


Lower Respiratory Tract (Air Only) - 🧠ANSWER ✔✔Lower Larynx


Respiratory Tree

Alveoli


Primary Bronchi - 🧠ANSWER ✔✔The first branches of the trachea. There are two

primary bronchi, one for each lung.


Secondary Bronchi - 🧠ANSWER ✔✔The primary bronchi split into these smaller

tubes within the lungs, There are 5 secondary bronchi, one for each lobes of the

lungs. Right lung 3 lobe, so 3 secondary bronchus. Left lung 2 lobes, so 2

secondary bronchus. In total, there are 5 secondary bronchus



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