Inhaled air is first warmed and moistened by the:
Pharynx
Larynx
Nostrils/nares
Alveoli
The Correct Answer is C
A. Pharynx: Transports air but is not primarily responsible for warming/moistening.
B. Larynx: Functions in voice production and airway protection.
C. Nostrils/nares: Correct; nasal passages warm, moisten, and filter the air.
D. Alveoli: Site of gas exchange, not air conditioning.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. 90-95%: acceptable in some chronic conditions, but not the ideal normal.
B. 95-100%: this is the normal range for oxygen saturation in healthy adults.
C. 86-89%: indicates hypoxemia.
D. 80-85%: severely hypoxic, needs medical attention.
Correct Answer is B
Explanation
A. Yearly chest x-rays- this detects disease but does not prevent it.
B. Don’t smoke or quit smoking- smoking is the most significant modifiable risk factor for COPD and lung cancer.
C. Daily exercise- while beneficial for overall health, it does not prevent lung disease as effectively as avoiding smoking.
D. Healthy diet- good nutrition supports health but is less specific for preventing lung diseases.
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