The presence of which of the following in the urine suggests a bacterial infection in the urinary tract?

How can mechanical force be produced to treat edema during therapeutic interventions?

What will be an ideal response?

Which of the following clinical conditions have been identified from clinical research as predictors of the need for prolonged mechanical ventilation? I. failed extubation II. difficult intubation III. nosocomial pneumonia IV. pulmonary artery catheterization

A. I only B. I, II only C. I, III only D. II, III, IV only