Unlike type I dropped beats, type II second degree block, also known as a classic block, gives no indication of an impending dropped beat.

Given a request for a culture for isolation of Haemophilus ducreyi, what is the ideal medium for its isolation?

A) Chocolate agar with 3 mcg/mL vancomycin B) Chocolate agar C) Thayer-Martin agar D) JEMBEC

A cat presents to a clinic with difficulty breathing, lethargy, and cyanosis. The veterinarian auscultated the thoracic cavity and politely asked to have a radiograph taken of the thorax. Dx: pleural effusion. A thoracocentesis was performed and 300 cc of fluid was aspirated. Rx: Bronchodilator BID. A bronchodilator is a drug that:

A) widens the trachea B) narrows the upper airways C) widens the bronchi D) narrows the trachea E) A and C