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| Section | Objectives |
|---|---|
| Topic 1: Physician Roles (CanMEDS Framework) | - Professional
|
네트워크 전성기에 있는 지금 인터넷에서Medical Council of Canada 인증MCCQE시험자료를 많이 검색할수 있습니다. 하지만 왜Itexamdump덤프자료만을 믿어야 할가요? Itexamdump덤프자료는 실제시험문제의 모든 유형에 근거하여 예상문제를 묶어둔 문제은행입니다.시험적중율이 거의 100%에 달하여Medical Council of Canada 인증MCCQE시험을 한방에 통과하도록 도와드립니다.
질문 # 26
You are asked to see a 50-year-old man 2 hours after he underwent a laparotomy for gastric resection. Lab results are as follows:
pH
7.28 (7.35-7.45)
PaCO#
60 mm Hg (35-40)
PaO#
60 mm Hg (85-105) with 4 L/min via nasal prongs
Bicarbonate (HCO#)
24 mmol/L (24-30)
Which one of the following is most consistent with this clinical presentation?
정답：B
설명：
This ABG reveals primary respiratory acidosis (#pH, #PaCO#, normal HCO#), likely from hypoventilation due to postoperative pain, sedation, or narcotics. PaO# is also low, suggesting inadequate oxygenation.
Toronto Notes 2023 - Respiratory, "Postoperative Respiratory Complications":
"Postoperative respiratory acidosis results from hypoventilation, often due to pain, sedatives, or poor respiratory effort. Assess airway, breathing, and support oxygenation." MCCQE1 Objectives (Internal Medicine > 44-3: Acid-Base Disturbances):
"Candidates must recognize respiratory acidosis on ABG and relate findings to common postoperative complications." Metabolic acidosis (C) would show #HCO#. Compensated alkalosis (D) would show opposite ABG changes.
Hypermetabolic states increase respiratory drive, not decrease it.
질문 # 27
A 26-year-old woman, gravida 1, para 0, aborta 0, presents to your office at 10 weeks' gestation to review the results of her antenatal blood work. She tested positive for hepatitis C. Which one of the following is most advisable to share with her regarding the risks to her and her unborn child?
정답：A
설명：
For pregnant women with hepatitis C infection , vertical transmission risk is approximately 5-6% and is higher with high maternal viral load or HIV coinfection. However, MCCQE objectives emphasize that breastfeeding is not contraindicated in mothers with hepatitis C, as HCV is not transmitted through breast milk. Breastfeeding should only be temporarily avoided if there are cracked or bleeding nipples, which could expose the infant to blood.
Termination of pregnancy is not recommended solely due to hepatitis C infection. Pregnancy does not reliably increase viral load in a clinically significant way, and routine antiviral therapy during pregnancy is generally not recommended because current direct-acting antivirals are not yet standard in pregnancy. The infant does not automatically require antiviral treatment; instead, postnatal monitoring with HCV RNA testing and/or antibody testing at the appropriate age is recommended. While chronic hepatitis C increases long-term risk of cirrhosis and hepatocellular carcinoma, this is not an inevitable outcome.
Therefore, reassuring her that breastfeeding is safe is the most appropriate counselling point.
질문 # 28
An 88-year-old married man is admitted following a cardiac arrest at home. He was not expected to recover, and after 2 weeks, he remains in a coma. His wife states, "I cannot let him go. That would be murder." As the attending physician looking after her husband, which one of the following is the best next course of action?
정답：E
설명：
In discussions about end-of-life care, it is critical to shift the focus from the substitute decision-maker's own feelings to what the patient would have wanted. This approach promotes ethically sound and patient-centered decisions. It is respectful, supportive, and maintains trust.
Toronto Notes 2023 - ELOM, "Advance Care Planning and End-of-Life Decisions":
"When a patient cannot express wishes, decisions must be based on known prior wishes or substituted judgment-what the patient would have wanted." MCCQE1 Objectives (ELOM > 90-2: Capacity, Consent, and End-of-Life Care):
"Candidates must guide surrogate decision-makers toward reflecting on the patient's values and previously expressed wishes." Options A and B are inappropriate-waiting without engagement or unilateral withdrawal is unethical. C does not address the wife's emotional or ethical concerns. E is premature unless the wife is clearly unable or unfit to act as decision-maker.
질문 # 29
A 21-year-old man presents to the office with persistent pain and swelling of the wrist 2 weeks after falling on his outstretched hand. Anteroposterior and lateral radiographs of the wrist taken at the time of the injury showed no evidence of fracture or dislocation. Which one of the following is the most likely cause of the patient's symptoms?
정답：D
설명：
Scaphoid fractures are often radiographically occult on initial presentation and can present later with persistent pain and swelling in the anatomical snuffbox. They typically occur following a fall on an outstretched hand. If missed, they can lead to avascular necrosis.
Toronto Notes 2023 - Orthopedics, Wrist Injuries:
"Scaphoid fractures are the most common carpal fractures. X-rays may be negative early, so high suspicion requires immobilization and repeat imaging after 10-14 days." MCCQE1 Objectives - Surgery > Musculoskeletal Trauma:
"Candidates must recognize that some fractures, such as scaphoid, may not appear on initial imaging but require clinical suspicion and follow-up imaging or immobilization." Other options (B and C) are less likely without radiographic evidence. De Quervain tenosynovitis (D) presents with radial wrist pain unrelated to trauma and worsens with thumb movement.
질문 # 30
A 2.5-year-old boy is brought to the Emergency Department after he consumed a button-shaped battery. Chest and abdomen radiographies are performed. Which one of the following locations mandates urgent removal of the battery?
정답：C
설명：
Button batteries lodged in the esophagus require urgent endoscopic removal due to risk of tissue necrosis, perforation, and tracheoesophageal fistula within hours. Batteries beyond the esophagus may pass spontaneously if the child is asymptomatic.
Toronto Notes 2023 - Pediatrics, "Foreign Body Ingestion":
"Button batteries in the esophagus are medical emergencies and must be removed immediately. Batteries in the stomach or intestines may be observed if the child is asymptomatic." MCCQE1 Objectives (Pediatrics > 78-2: Gastrointestinal Emergencies):
"Candidates must identify when foreign body ingestion poses immediate risk and requires emergency intervention." Batteries in the stomach or intestines (A-C, E) usually pass without complication, especially if the child is asymptomatic and the battery is <2 cm.
질문 # 31
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참고: Itexamdump에서 Google Drive로 공유하는 무료 2026 Medical Council of Canada MCCQE 시험 문제집이 있습니다: https://drive.google.com/open?id=1CTYXhfrrA9EjluIiZuzd0SnnPj0J2Lat