MCCQE Practice Questions

A 25-year-old woman presents to the Emergency Department with a 4-hour history of severe left flank pain. Her vital signs are as follows:

Heart rate: 94/min

Blood pressure: 130/80 mm Hg

Temperature: 37.3 °C

A non-contrast computed tomography shows a 6 mm stone in the distal left ureter with mild associated hydronephrosis. In addition to appropriate analgesia, which one of the following is the best next step?

A 67-year-old woman presents with headaches, muscle weakness, pain in her shoulders and hips, weight loss, and depression. While also arranging appropriate investigations to confirm a diagnosis, which one of the following is the most important objective of treatment?

A 17-year-old boy is brought by his 2 roommates to the emergency department (ED) after a party where he had been drinking and smoking cannabis. He reportedly was having a good time when he suddenly wanted to jump out of a window. His roommates describe him as “normal prior to a breakup with his girlfriend a week ago.” He has since become anxious and unable to sleep. On examination, he is somnolent and appears intoxicated. Which one of the following is the most appropriate initial management?

A 35-year-old woman presents to your clinic for follow-up regarding her persistent primary immune thrombocytopenic purpura. She was admitted to hospital with a relapse and received treatment with dexamethasone, intravenous immunoglobulin, and rituximab. She was recently discharged from hospital with a platelet count of 55 × 10⁹/L (130–360), and also continues to take 10 mg of prednisone once daily. She is scheduled for a splenectomy in 4 weeks. Which one of the following is the best next step in preparation for the patient ' s surgical procedure?

A 40-year-old man presents to the emergency department with a 24-hour history of severe abdominal pain and recurrent vomiting. He has a long-term history of alcohol use disorder. His blood pressure is 90/60 mm Hg, and his heart rate is 120/min. The pain is located mostly in the epigastrium but radiates to the right upper quadrant and to his back. Radiographs of the abdomen and chest reveal some distended small bowel loops in his upper abdomen. Laboratory work results are pending. After fluid resuscitation, which one of the following is the best next step?

A mother brings her previously healthy 4-month-old girl for evaluation due to fussiness for 3 weeks. The infant becomes irritable and cries with occasional body arching 1-2 hours after feeding, frequently spits up after feeds, has developed feeding aversion, and shows slowing weight gain. She has been on cow ' s milk-based formula since birth. Stools are normal, and physical examination is unremarkable. Which one of the following is the most likely diagnosis?

A 57-year-old man presents with low back pain. Radiographs of the lumbar spine show a narrowed disk space at L4-L5, anterior osteophyte formation at this level, and sclerosis of the L4-L5 end plates. Which one of the following is the most likely diagnosis?

A health authority implements the first-ever colon cancer screening program in its territory. Which one of the following colon cancer indices will likely increase?

A 25-year-old woman presents to the Emergency Department with a 2-hour history of pelvic pain associated with no other symptoms. The first day of her last menstrual period was 14 days ago. On examination, her vital signs are as follows:

Blood pressure

108/72 mm Hg

Heart rate

110/min

Temperature

37 °C

Abdominal examination reveals rebound tenderness and guarding. Pelvic examination reveals exquisite left adnexal tenderness. Which one of the following is the most likely diagnosis?

A 12-year-old boy is brought to the Emergency Department with a 2-week history of a limp with malaise, fever and left leg pain. On examination, he looks sick, has a temperature of 38.5°C and is able to weight-bear. His hip examination reveals mildly decreased range of motion. Radiographs of the hip and femur show mild sclerosis of proximal femoral metaphysis. His C-reactive protein level is 15 mg/L ( < 8). Which one of the following is the most likely diagnosis?