Chronic obstructive pulmonary disease (COPD) 95+ (Latest Edition) 100% Verified Q&A + Answer Key Solutions

Chronic obstructive pulmonary disease
(COPD)
(Latest 2025-2026 Edition) 100% Verified Q&A + Answer Key
95+
Solutions


VERIFIED ANSWERS


Question 1
What is the definition of chronic obstructive pulmonary disease (COPD)?
Correct Answer
Persistent respiratory symptoms with airflow limitation due to noxious exposure.


Question 2
What physiology defines COPD on spirometry?
Correct Answer
FEV1/FVC < 0.70.


Question 3
COPD airflow obstruction is ______ reversible.
Correct Answer
Partially.


Question 4
What three pathologies overlap to contribute to COPD?




Correct Answer
Asthma, emphysema, chronic bronchitis.

, Question 5
What structural loss causes small airway collapse on exhalation in emphysema?




Correct Answer
Loss of elastin/connective tissue.


Question 6
Define chronic bronchitis (time-based).
Correct Answer
Cough ≥3 months/year for 2 consecutive years.


Question 7
What cellular change drives chronic bronchitis mucus overproduction?




Correct Answer
Submucosal gland hypertrophy, goblet cell hyperplasia.


Question 8
What is the purpose of the mucociliary escalator?
Correct Answer
Clear particulates by moving mucus upward for swallowing. (cilia ~300 beats/second.)




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