NUR 228 - PULMONARY PHYSIOLOGY EXAM
QUESTIONS AND ANSWERS
What is dyspnea? - Respond to trouble breathing (SOB, laborious breathing, "air
hunger").
What are the causes of dyspnea? - ANSWER asthma, COPD, interstitial lung
disease, heart failure, pneumonia, mental issues, coughing, and airway blockage
What is clubbing? - ANSWER: Fingernail tips increase and the nail curls around.
What causes clubbing? - ANSWER: Low oxygen levels in the body.
Is clubbing chronic or acute? - ANSWER arises from persistent low oxygen levels
for a lot of years.
Does a huge alveolus have a low or high collapse pressure? - Answer: low.
Does a small alveolus have a low or high collapse pressure? - Answer: high.
Does a small alveolus containing surfactant have a low or high collapse pressure? -
Answer: low.
T/F Inspiration is a passive process, ANSWER false; active (muscles contract).
T/F expiration is a passive process - ANSWER: muscles relax.
What occurs to the diaphragm while inhaling and exhaling? - Inhalation: the
diaphragm curves downward.
, Exhalation: The diaphragm becomes more flat and smaller.
What is elastic recoil? - ANSWER The ability of the lung to return to its original
shape after expanding or straining.
What are some examples of age-related pulmonary changes? - ANSWER -
increased rigidity of chest wall
- decrease muscular mass.
- decreased mucociliary clearance.
-Reduced elastic fibers
-Increased cross-linked collagen
-larger alveolar ducts and alveoli.
-reduced lung size
T/F: Sputum is normal - ANSWER: True
What is sputum? - ANSWER Mucus released by the respiratory tract catches
inhaled particles.
What helps to get mucus and particles out of the lungs? - ANSWER: Cillia
The patient has dark yellow/green sputum. Which term would you use to describe
this type? - Answer: purulent
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