What is the most common etiology for erectile dysfunction in a male > 50 years old?

A 57 year-old male presents to the urgent care clinic with chief complaint of severe abdominal pain, nausea, vomiting. His labs show elevated WBC, amylase three times the upper limit of normal, elevated lipase, and elevated hematocrit. He is unable to tolerate food or fluids. Upon exam, he is generally ill appearing, actively moaning and grabbing his abdomen, has diffuse tenderness to upper abdomen, and you notice discoloration around the umbilicus. What is the most appropriate treatment plan for this patient?

A 27 yo male presents with acute onset left testicular pain that started this morning.  He admits to unprotected intercourse with 3 different partners over the past week.  On exam, you notice his scrotal sac is warm, red and tender to touch.  The ultrasound ordered is normal.  Based on the patient’s history, which of the following is likely for this patient?

Your patient presents with mild to moderate LLQ abdominal pain that he describes as a steady, consistent achy pain. He has a low grade fever and his CBC shows a WBC of 13,000. He is tolerating oral fluids and no evidence for hemodynamic instability or significant comorbidity. He has a family history of diverticulitis and you suspect, based on your physical exam and excellent history taking skills, that he has a self-limiting case of diverticulitis. You decide the best treatment would be which of the following:    

A nurse practitioner would be justified to assess for ED among male patients who are taking which of the following medications?

A 26 year-old, moderately obese, Caucasian female that is 2-month post-partum presents to the clinic with a CC: heartburn, flatulence and anorexia. During her pregnancy she had experienced similar symptoms, but they have become more severe in the last week and she vomited twice. She has  intermittent pain in the epigastric and right upper quadrant area. She also thinks she pulled a shoulder muscle as she has an almost constant dull ache there.  The patient has physical exam findings that are unremarkable, except for RUQ tenderness with deep palpation and a positive Murphy’s sign. Which of the following becomes your primary differential diagnosis? 

List five (5) possible causes of low libido in men: (5-points)

Which cells are the most abundant cells of bones?

In each cycle, the action of Na+/K+ ATPase:

The structure of a Hemoglobin protein: