Match each hormone with its cellular source:   

A patient with anorexia nervosa develops dizziness and palpitations. Laboratory studies reveal hypokalemia. Which complication is most concerning?

A 25-year-old recreational soccer player presents after inverting his right ankle during a game 2 hours ago. He has swelling over the lateral malleolus and tenderness along the posterior edge of the distal fibula. He is unable to take more than two steps in the clinic because of pain.  What is the most appropriate next step according to the Ottawa Ankle Rules?

Which symptom is most concerning for cauda equina syndrome?

A full-thickness burn is typically:

The WHO three-step analgesic ladder was originally developed for cancer pain management but its principles have influenced pain management strategies for other pain conditions.

A patient presents with dizziness, heavy sweating, and signs of dehydration after prolonged heat exposure. His core temperature is 38.5°C (101.3°F), and he is fully oriented. Which diagnosis is most likely?

A patient with bulimia nervosa is at greatest risk for which electrolyte abnormality?

A 38-year-old woman with stable systemic lupus erythematosus (SLE) asks what long-term health problem she is most at risk for. Which condition occurs at an increased rate in patients with SLE?

A 60-year-old woman presents with neck pain for 8 weeks that radiates into her right thumb and index finger. She has completed NSAID therapy and physical therapy without improvement. On examination, she has weakness of right wrist extension and diminished brachioradialis reflexes. What is the most appropriate next step?