2026 Exam Questions and
Answers | Already Graded A+
Upper airway - composed of: (6) - ANSWER ✔✔• Mouth
• Nose
• Larynx
• Trachea
• Two Main Bronchi
• Bronchiole
Lower airway - composed of: (2) - ANSWER ✔✔• Respiratory
bronchioles
, • Alveoli (gas exchange)
Ventilation - ANSWER ✔✔inspiration and expiration
Perfusion - ANSWER ✔✔oxygenated blood being delivered to tissues
of the body
Compliance - ANSWER ✔✔flexibility of lung tissue to
expand/contract
Pleural membrane - ANSWER ✔✔Area between membrane lining
(Should ONLY have surfactant in it to prevent friction)
Hypoxemia - ANSWER ✔✔lack of oxygen in the blood, leads to
hypoxia
Hypoxia - ANSWER ✔✔lack of oxygen in tissues
Hypercapnia - ANSWER ✔✔excessive carbon dioxide in the blood
Normal CO2 levels - ANSWER ✔✔35-45
Normal O2 levels - ANSWER ✔✔90-100%
Drive to breathe - ANSWER ✔✔Normal drive to breath is high CO2
levels. COPD patients drive to breath is low O2.