Which statement correctly describes hypoxemia?
Correct answer: A. A reduced oxygen level in arterial blood
- A. A reduced oxygen level in arterial blood
- B. A reduced oxygen level in body tissues
- C. An increased carbon dioxide level in blood
- D. An increased respiratory rate during exercise
Explanation
Hypoxemia means decreased oxygen concentration in arterial blood, usually assessed by PaO2 or oxygen saturation. Hypoxia refers to inadequate oxygen at the tissue level, so the two terms are related but not identical.
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About Respiratory Nursing
Covers nursing assessment and management of asthma, chronic obstructive pulmonary disease, pneumonia, tuberculosis, pleural disorders and respiratory failure. Key areas include breath sounds, oxygen therapy, airway suctioning, inhaled medicines, arterial blood gases and the difference between hypoxia, hypoxemia and carbon dioxide retention.
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