NUR 215 Exam 3 [2026] LATEST UPDATE | VERIFIED Questions & Correct Answers | Detailed Answer Explanations | A+

NUR 215 Exam 3 [2026] LATEST UPDATE |
VERIFIED Questions & Correct Answers |
Detailed Answer Explanations | A+

• upper airway . CORRECT ANSWER: - not sterile
- nasal passage, mouth, and pharynx
- infections: common cold, pharyngitis, influenza, rhinosinusitis


• lower airway . CORRECT ANSWER: - sterile
- trachea, bronchi, bronchioles
- gas exchange
- infections: RSV, acute bronchitis, TB, pneumonia


• ventilation . CORRECT ANSWER: moving air in and out
- adequate ventilation necessary for O2 to blood - body - tissue


• respiration . CORRECT ANSWER: gase exchange in lungs
- external: CO2 - O2 (in lungs)
- internal: O2 - CO2 (in tissue) (capillary - tissue gas exchange)


• factors affecting ventilation . CORRECT ANSWER: - respiratory rate and depth
- hyper/hypoventilation
- lung compliance, elasticity
- airway resistance

, • factors affecting pulmonary function . CORRECT ANSWER: - developmental
state
- environment (stress. allergies, air quality)
- lifestyle (substances, exercise, occupation)
- smoking and 2nd hand
- CNS depressants (meds)


• alterations to gas exchange . CORRECT ANSWER: alveoli cant recoil (trapped
air)
- COPD
- emphysema


• pulmonary assessment . CORRECT ANSWER: - physical: inspect, palpate,
percuss, auscultate
- respiratory distress: gather symptoms (quick exam: adequacy of breathing,
circulating, oxygenation)
- healthy person: risk of respiratory disease - extensive questions and physical
exam


• eupnea . CORRECT ANSWER: normal breathing 12-20 BPM


• bradypnea . CORRECT ANSWER: less than 12 BPM


• tachypnea . CORRECT ANSWER: more than 20 BPM


• apnea . CORRECT ANSWER: period of no breathing