Free MCCQE Mock Exam – Practice Online Confidently

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 38-year-old man is brought by his wife to the Emergency Department with fatigue, dizziness, and nauseaafter completing a hiking tour on a hot, humid day. His wife became worried after he had collapsed. He hasbeen sweating heavily and vomited twice on the drive in. His medical history is unremarkable, and he takesno medications. His vital signs on arrival are as follows:Blood pressure85/57 mm HgHeart rate120/minRespiratory rate18/minTemperature40.1 °COxygen saturation95%, room air—On physical examination, the patient's skin is dry, flushed, and warm to the touch. He has a diffuseerythematous papular rash. Findings of a thorough physical examination are otherwise unremarkable. Anelectrocardiogram shows sinus tachycardia. Which one of the following is the best next step?

During an office visit, your 14-year-old patient requests a prescription for oral contraceptives. The province where you are working does not have a statutory age of consent. Which one of the following is the best next step?

A 26-year-old man presents with pain, numbness, and weakness in his right upper extremity. He works as a computer programmer, and his BMI is 32. Symptoms have worsened since he started spending more time on the keyboard. He reports that his right hand feels clumsier while he is typing. Physical examination reveals mild weakness in the intrinsic muscles of that hand, with a positive Tinel sign at the ulnar nerve. Which one of the following is the best next step?

A 22-year-old woman is brought to the Emergency Department by her boyfriend, who says that she is experiencing a fentanyl overdose. She is unresponsive and cyanotic. She regains consciousness after naloxone is injected intravenously and demonstrates no further respiratory depression during 8 hours of observation. She states that she is 22 weeks' pregnant and wants to stop using opioids. Which one of the following is the best next step?