Partial pressure of arterial blood oxygen refers to ( )
A: Tension caused by oxygen molecules dissolved in arterial blood
B: Oxygen partial pressure when oxygen saturation of hemoglobin is 50%
C: Hemoglobin and oxygen binding capacity
D: The actual number of milliliters containing 02 in 100ml of blood
E: Tension created by chemically bound oxygen in the blood
A: Tension caused by oxygen molecules dissolved in arterial blood
B: Oxygen partial pressure when oxygen saturation of hemoglobin is 50%
C: Hemoglobin and oxygen binding capacity
D: The actual number of milliliters containing 02 in 100ml of blood
E: Tension created by chemically bound oxygen in the blood
举一反三
- Partial pressure of arterial blood oxygen refers to ( ) A: Tension caused by oxygen molecules dissolved in arterial blood B: Oxygen partial pressure when oxygen saturation of hemoglobin is 50% C: Hemoglobin and oxygen binding capacity D: The actual number of milliliters containing 02 in 100ml of blood E: Tension created by chemically bound oxygen in the blood
- 2. When isotonic hypoxemia occurs A: Reduced blood oxygen content B: Decreased partial pressure of arterial blood oxygen C: Decreased oxygen saturation of hemoglobin D: Normal blood oxygen content E: Tissue cell utilization oxygen disorder
- The oxygen partial pressure or the amount of oxygen in arterial blood is called:
- The blood delivers oxygen to the body.
- Which of the following is not the clinical features of severe COVID 19? () A: The high fever persists B: Respiratory distress, RR≥30 times / min C: Oxygen saturation≤93% at rest D: Arterial partial pressure of oxygen (PaO2) / concentration of oxygen<br/>(FiO2) ≤ 300mmHg E: Lung imaging showed that the lesion progressed to > 50% within<br/>24-48 hours