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Medical Council of Canada MCCQE Exam Overview:

Medical Council of Canada MCCQE Exam Syllabus Topics:

Medical Council of Canada MCCQE Part 1 Sample Questions:

1. A patient ' s mother comes to you with a prospective cohort study linking autism to the measles, mumps and rubella vaccine. After reviewing the study carefully, you question the results because of problems with the study design and execution. Which one of the following sources of error would be most important in the study design or execution?

A) Recruitment of study families at an autism seminar
B) Not accounting for all potential confounders during recruitment
C) Vaccine company sponsorship of study
D) Parental recall of vaccine administration
E) Reporting standard error with point estimates of difference

2. A previously well 2-year-old girl is brought to the Emergency Department with difficulty breathing that has been gradually worsening over the last 24 hours. Her parents say she has a sore throat. On examination, you note that she appears ill. She has stridor and is in moderate respiratory distress, drooling and emitting a muffled voice. Vital signs are as follows: respiratory rate 34/min, heart rate 160/min, temperature 40.2°C.

Which one of the following is the most likely diagnosis?

A) Retropharyngeal abscess.
B) Laryngomalacia.
C) Acute viral bronchiolitis.
D) Croup.
E) Airway foreign body.

3. An 18-year-old woman presents to the Emergency Department with a 3-day history of vomiting and right upper quadrant pain. She is alert but appears unwell and jaundiced. She was previously healthy and has not travelled recently. She has no risk factors for blood-borne pathogens. She denies hematemesis or hematochezia. On further history, she reports that she took a full bottle of pills that she found in her parents' medicine cabinet several hours before she started vomiting. Without intervention, which one of the following is the most likely outcome?

A) Ventricular fibrillation
B) Rapid-onset cerebral edema
C) Fulminant hepatic failure
D) Status epilepticus
E) Acute renal failure

4. Following a potluck supper organized by the residency director of your training program, many of your fellow residents and other guests fall ill with gastroenteritis. Which one of the following is the best way to identify the source of this food-borne outbreak?

A) Calculate food-specific attack rates
B) Culture the stool of guests
C) Perform a hazard analysis of critical control points
D) Culture leftover food samples
E) Perform a cohort study

5. A 3-month-old girl is brought by her parents to the emergency department with a 3-day history of cough, coryza, and low-grade fever; she was previously well. In the last 24 hours, she has been noted to have rapid breathing with audible wheezing. Which one of the following pathogens is the most likely cause of the patient' s symptoms?

A) Chlamydia trachomatis.
B) Influenzavirus A.
C) Human metapneumovirus.
D) Human respiratory syncytial virus.
E) Human parainfluenzavirus 3.

Solutions: