Upon exam of an acutely dyspneic and hypotensive patient, you note the following (all limited to the left hemithorax): reduced chest expansion, hyperresonance to percussion, absent of breath sounds and tactile fremitus, and a tracheal shift to the right. These findings suggest:

Which of the following urine specimens is usually requested when quantitative tests are needed for different substances?

a. Random b. Fasting timed c. 24-hour d. Catheterized

You note a 5-year-old patient seizing as you approach him. Which observation or piece of information would be most alarming?

A) The patient has no history of seizures B) The patient has a history of leukemia C) The patient is incontinent of urine and feces D) The patient has been seizing for 12 minutes