A 42-year-old male patient with a history of poorly controlled asthma is seen in the emergency department by the respiratory therapist (RT). The patient is seated in a chair and clearly is in extreme respiratory distress, with inspiratory and expiratory wheezing throughout. He reports that he has had a fever for the past 2 days and has eaten and drunk very little. He also reports some chest pain, and his blood pressure is 95/55 mm Hg. At one point, the patient stands to move from the chair to the stretcher and has an episode of syncope. The differential diagnosis for this patient should include which of the following?1. Myocardial infarction (MI)2. Acute asthma exacerbation3. Dehydration4. Cerebrovascular accident (CVA; stroke)

Which of the following tests are considered for exercise testing?1. Stress ECG2. Ventilatory capacity3. Anaerobic threshold4. DLCO

What is the main advantage of tympanic thermometry over the classic forms of temperature measurement?

What is believed to be responsible for production of the first heart sound?

Which of the following is considered the most important part of the neurologic examination?

Which of the following clinical conditions is associated with central cyanosis?

You’re trying to ride through a concrete banked curve while testing out a bike.  You estimate that the curve is banked 30o above the horizontal and the radius of curvature is meters.  What is the constant velocity (in m/s) that you should ride through the curve without having to worry about the static friction between your tires and the concrete? (Remember to estimate g as 10 m/s2)

The main goal of assessing mental status is to determine which of the following?

What mineral plays an important role in oxygen transport?

Which of the following statements is false about vesicular or normal breath sounds?