A 60-year-old man presents with fatigue and chronic constipation. He has been on iron supplements for months. Labs reveal microcytic anemia. What is the most likely cause of his anemia?

A 30-year-old woman presents with ptosis and fatigue that worsens throughout the day. Her symptoms improve after rest. What autoantibodies are likely present?

A nurse practitioner observes that a patient recovering from a stroke is unable to comprehend spoken language. Which area of the brain is most likely affected?

A 19-year-old female with asthma presents with worsening wheezing and shortness of breath. What long-term physiologic change contributes to persistent symptoms if uncontrolled?

A patient with Guillain-Barré syndrome develops rapid ascending paralysis. Which complication should be monitored most urgently?

A 67-year-old female presents with persistent diarrhea. She was recently treated with broad-spectrum antibiotics. What is the most likely diagnosis?

A 25-year-old male has polyuria, polydipsia, and dehydration. Serum sodium is high, and urine osmolality is low. What is the most likely diagnosis?

A 59-year-old man presents with hematuria, urgency, and suprapubic pain. Urine cytology is positive for malignant cells. What is the most likely diagnosis?

A nurse practitioner sees a patient post-MI with persistent muscle twitching and tetany. What electrolyte imbalance should be suspected?

A 24-year-old male is admitted with acute appendicitis. He develops diffuse abdominal pain, fever, and hypotension. Imaging shows free air under the diaphragm. What is the most likely complication?