Chronic infection is most common with which of the following types of viral hepatitis?

Sixty minutes after a patient is extubated, an arterial blood gas sample is drawn; the results are: pH = 7.20, PaCO2 = 60 mm Hg, PaO2 = 55 mm Hg, SaO2 = 80%, HCO3? = 23 mEq/L with a 2 L/min nasal cannula

The patient is SOB and complaining of chest pain. His blood pressure is 92/50 mm Hg. The most likely cause of this weaning failure is which of the following? a. Chronic obstructive pulmonary disease b. Acute left ventricular failure c. Ventilatory muscle weakness d. Hypophosphatemia

Immersion oil is used with the 40X and 100X objectives.

Answer the following statement true (T) or false (F)