All our dreams can come true — if we have the courage to pursue them. -Walt Disney Welcome back to episode 15! As promised, we are back to our weekly episodes leading into the ITE. We start this week with a rapid review of some of the infectious disease high-yield points that we have covered in the past few months, and then we dive right into the new material. Stay tuned for some comical outtakes at the end of the podcast for an inside look at the recording of Roshcast. We think you will enjoy it. Let’s get on with the rapid review. Now onto this week’s podcast * The most common cause of a painless, clean-based, sharply defined penile ulcer is a chancre, seen in syphilis. * The small shallow ulcer of LGV and the red beefy ulcer of granuloma inguinale are painless also. * Corneal abrasions can be treated with either erythromycin ointment or ciprofloxacin drops. Do not forget to update the tetanus vaccine if indicated. * Native valve endocarditis is seen most commonly in the mitral valve. * The most common cause of pneumonia in alcoholics is Streptococcus pneumoniae. Question 1 Which of the following is the most common infection associated with erythema multiforme? A. Borrelia burgdorferi B. Haemophilus influenzae Type b C. Hepatitis C virus D. Herpes simplex virus Teaching image  Question 2 Which of the following patients is at highest risk for developing a pneumothorax? A. A 33-year-old woman with AIDS  B. A 45-year-old man with COPD who is maintained on inhaled steroids C. A 56-year-old obese woman with sleep apnea who uses BiPAP at night D. A 65-year-old man with heart failure and NY Heart Association Class 3 Teaching image  Question 3 A 72-year-old man presents with chest heaviness associated with diaphoresis and shortness of breath. His ECG demonstrates complete heart block. Acute blockage of which of the following coronary arteries is most likely to be causing his dysrhythmia? A. Left anterior descending artery B. Left circumflex artery C. Left coronary artery D. Right coronary artery Teaching image Question 4 Which of the following can decrease levels of brain natriuretic peptide? A. Elderly age B. Female sex C. Kidney failure D. Obesity Teaching image Question 5 A 55-year-old woman presents to the ED for swelling of her tongue and lips. She recently started a new antihypertensive medication. Which of the following is the direct mediator for her condition A. Angiotensin  B. Bradykinin C. C1-esterase inhibitor D. Histamine Teaching image  Question 6  Which of the following signs of acute arterial occlusion requires emergent surgical intervention A. Pain B. Pallor C. Paralysis D. Poikilothermia Teaching image Question 7 A 3-year-old boy presents with stridor. His mother states that he was eating a grape and suddenly started choking. The patient has normal vital signs except for an increased respiratory rate.