NURS3143

Question 1

hypoxemia vs hypoxia

Answer 1

Hypoxemia: low O2 in arterial blood
Hypoxia: low O2 in cells and tissues

Question 2

Sign of hypoxia

Answer 2

Early
- increase BP, HR, RR
- Anxiety, drowsiness, restlessness
- Pallor
- Use of accessory muscle to breath

Late
- decrease BP
- cool extremities, central cyanosis
- confusion, coma

Question 3

Assess need of oxygen (3)

Answer 3

1. Arterial blood gas analysis
2. Pulse oximetry
3. Clinical evaluation