The strength of the isotonic normal saline is
举一反三
- The causes often lead to metabolic acidosis with a normal AG except<br/>for () A: Diarrhea B: Diabetic ketoacidosis C: Renal tubular acidosis D: Fast infusion of a large amount of saline solution E: Mild or moderate renal failure
- 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 main reason why spiral stirrups can improve the bearing capacity of the normal section of axial compressed columns is that ( ). A: the strength of spiral stirrups is high B: spiral stirrups can effectively restrain the longitudinal reinforcements and improve the compressive strength of longitudinal reinforcements C: spiral stirrups can effectively restrain the core concrete and improve its compressive strength D: spiral stirrups have strong deformation capacity
- The fire fighters sank down one by one,（） A: all their strength to exhaust B: all their strength exhausted C: all their strength to be exhaust D: all their strength to be exhausted
- 金属疲劳的判断依据是( )。 A: Strength B: Plastic C: Tensile strength D: Fatigue strength