A double blind study is conducted involving men who have been symptomatic from urinary frequency and hesitancy for 5 or more years. One group men receive a pharmacologic agent designed to reduce the synthesis of dihydrotestosterone in prostatic stromal cells. Another group receives a placebo. The group receiving the drug has a statistically significant decrease in symptoms. Which of the following enzymes is this pharmacologic agent most likely to block?

A “left shift” of developing neutrophils is most likely interpreted as which of the following?

Which of the following could lead to post-renal kidney damage?

A 34-year-old healthy woman develops sudden severe abdominal pain. On physical examination she is afebrile. The pain is centered in the mid-epigastric region with radiation to her back. Bowel sounds are absent. No masses are palpable. Which laboratory results are likely to found in this patient?

Which of the following vitamins when not absorbed can lead to poor vision?

A 22-year-old male underwent brain surgery to remove a tumor. Following surgery, he experienced a peptic ulcer. His ulcer is referred to as a(n) _____ ulcer.               

Following a vehicular accident with blood loss leading to prolonged, severe hypotension, a 30-year-old man is intubated and placed on a mechanical ventilator. He has progressively decreasing oxygen saturations despite increasing his FI02 to 100%. He remains afebrile. He dies 3 days later. At autopsy, the distal lungs show thickened interstitium, and many macrophages and neutrophils. Which of the following would have been observed on X-ray just prior to his death?  

You are working in the emergency room when the paramedics bring in a 12 year- old girl who has been febrile and disoriented for the past couple of days. Labs are drawn and reveal the following: ABG: pH 7.2 PCO2= 29 PO2 78 Chemistry panel: Na+ = 140 Cl- = 100 HCO3- =20 Glucose = 350 What is her likely pH status?

What gland is damaged in Sheehan syndrome?

Hyperglycemia is associated with which of the following?