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NUR 209 EXAM 4 – NURSING STUDY GUIDE, PRACTICE QUESTIONS & EXAM REVIEW 2026/2027

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NUR 209 EXAM 4 – NURSING STUDY GUIDE, PRACTICE QUESTIONS & EXAM REVIEW 2026/2027

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NUR 209 EXAM 4 – NURSING STUDY GUIDE, PRACTICE QUESTIONS & EXAM
REVIEW 2026/2027

What is the active phase of ventilation called? - ANS ✔✔Inspiration

What is the passive phase of ventilation called? - ANS ✔✔Expiration

What is gas exchange in the lungs? - ANS ✔✔Intake of oxygen and releasing carbon dioxide

How is oxygen carried in the body? - ANS ✔✔Via plasma and red blood cells (RBCs) as oxyhemoglobin

What does hemoglobin carry besides oxygen? - ANS ✔✔Carbon dioxide (as carboxyhemoglobin)

Name one intervention to promote proper breathing. - ANS ✔✔Deep breathing

What is purse-lip breathing? - ANS ✔✔A technique to promote better oxygenation by controlling
exhalation

What is incentive spirometry used for? - ANS ✔✔To encourage deep breathing and lung expansion

How does pain affect breathing? - ANS ✔✔It may prevent deep breaths

What happens to respiratory rate during a fever? - ANS ✔✔It increases

What is a common effect of asthma and COPD on breathing? - ANS ✔✔Difficulty in taking deep breaths
and gas exchange

What is the significance of artificial surfactant for premature newborns? - ANS ✔✔It prevents alveoli
from collapsing

How does aging affect respiratory rate? - ANS ✔✔It decreases due to decreased elasticity in the lungs

What lifestyle factor can affect oxygenation? - ANS ✔✔Smoking

What is the normal range for pulse oximetry? - ANS ✔✔95-100%

What is the normal pulse oximetry range for COPD patients? - ANS ✔✔88-92%

What does capnography measure? - ANS ✔✔CO2 levels in the blood

What is thoracentesis? - ANS ✔✔A procedure to drain fluid from the lungs

What is the FiO2? - ANS ✔✔The concentration of oxygen in the gas mixture

What is the purpose of a nasal cannula? - ANS ✔✔To deliver supplemental oxygen

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Uploaded on: August 10, 2026
Number of pages: 3
Written in: 2026/2027
Type: Exam (elaborations)
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