All practice questions

Match each specific physician scenario involving a potential conflict of interest with the most accurate regulatory or ethical violation category it represents.

Match each of the following hospital-associated infections or specific clinical conditions to the most appropriate tier of isolation precautions required by infection control guidelines.

A 68-year-old man undergoes an elective total knee arthroplasty. On postoperative day 2, he develops acute shortness of breath and pleuritic chest pain; a CT pulmonary angiogram confirms a pulmonary embolism. Review of the electronic medical record reveals that deep venous thrombosis prophylaxis was ordered by the primary surgeon, but the medication was never administered. The pharmacy system had placed an automated hold on the order because the patient's preoperative baseline creatinine was slightly elevated, but no notification was routed to the covering clinical team. The hospital's risk management department is tasked with addressing this adverse event. Which of the following is the most appropriate methodology to investigate and address this incident?

Match each of the following clinical scenarios with the specific cognitive bias that most accurately describes the diagnostic error.

A 45-year-old man is evaluated in the neurology clinic for progressive choreiform movements, irritability, and cognitive decline. Following a comprehensive clinical evaluation, genetic testing reveals a CAG trinucleotide repeat expansion in the HTT gene, confirming the diagnosis of Huntington disease. When the physician discusses the implications of this autosomal dominant condition, the patient becomes visibly distraught. The physician explains that the patient's 22-year-old biological daughter has a 50% chance of inheriting the mutation. The patient adamantly refuses to let his daughter know, stating, "She is starting graduate school next month. I forbid you from telling her; it would destroy her life right now." The physician strongly encourages the patient to discuss the diagnosis with his daughter and offers to facilitate a family meeting, but the patient persistently refuses to consent to any disclosure. Which of the following is the most appropriate next step by the physician regarding the patient's test results?

A 29-year-old man is evaluated in the outpatient clinic for a follow-up appointment. Three weeks ago, he was discharged from the inpatient psychiatric unit following an acute manic episode with psychotic features. He is currently prescribed lithium and quetiapine. During today's visit, the patient exhibits pressured speech, flight of ideas, and grandiosity. He announces that he has just liquidated his retirement accounts to fund a "global peace initiative." He then hands the physician an envelope containing $10,000 in cash, stating, "You have been the only one who truly understands my vision. I want you to use this to expand your practice so you can enlighten others." Which of the following is the most appropriate response to the patient's offer?

An otherwise healthy 42-year-old man presents to the emergency department with acute right lower quadrant abdominal pain. Suspecting appendicitis, the physician orders an abdominal CT scan with contrast. The preliminary read provided by the on-call radiology resident overnight notes a normal appendix but identifies a nonobstructing ureteral calculus. The patient is treated with analgesia and discharged home with instructions to follow up with urology. The next morning, the attending radiologist reviews the images and agrees with the preliminary findings, but also discovers a suspicious mass in the tail of the pancreas. The attending issues a final report with an addendum highlighting the mass. The electronic health record (EHR) updates the report silently, and no direct communication is made to the emergency department staff. Six months later, the patient presents with jaundice and significant weight loss, and is ultimately diagnosed with metastatic pancreatic adenocarcinoma. The hospital's patient safety division launches a formal investigation into the delayed diagnosis. Which of the following is the most appropriate recommendation to emerge from this investigation?

A 45-year-old man is brought to the emergency department by his wife for severe hematemesis. He has a history of peptic ulcer disease. On arrival, he is pale and diaphoretic. His blood pressure is 88/50 mm Hg, and his pulse is 120/min. He is alert, oriented to person, place, and time, and able to communicate clearly. The gastroenterologist recommends an emergent esophagogastroduodenoscopy with potential intervention and strongly advises a blood transfusion due to the severity of the bleeding. The patient consents to the procedure but explicitly refuses the blood transfusion, stating he is a devout Jehovah's Witness. The physician explains that without blood, he has a high risk of death. The patient reiterates his understanding of this risk and signs a refusal of consent form for the transfusion. During the procedure, the patient experiences massive hemorrhage, his blood pressure drops to 60/40 mm Hg, and he becomes unresponsive. The patient's wife, who does not share his religious beliefs, is immediately informed of his deterioration and tearfully demands that the medical team administer blood to save his life. Which of the following is the most appropriate next step in management?

A 24-year-old man presents to an outpatient clinic for evaluation of a painless penile ulcer. He is diagnosed with primary syphilis and receives intramuscular benzathine penicillin G. The patient is a college student who is currently enrolled as a dependent on his father's employer-sponsored health insurance plan. During the visit, the patient expresses significant distress regarding his privacy. He states, "My father cannot find out about this. If he sees a claim for syphilis treatment on the insurance statement, he will cut me off financially." He explicitly asks the physician to ensure that absolutely no information about this visit is shared with the health insurance company or his father.

Which of the following is the most legally and ethically appropriate response by the physician regarding the patient's request?

A 68-year-old man is admitted to the intensive care unit with acute-on-chronic respiratory failure secondary to advanced amyotrophic lateral sclerosis. He is currently receiving continuous noninvasive positive pressure ventilation (NIPPV). Despite optimization of the ventilator settings, he continues to experience severe dyspnea and air hunger. The patient has intact decision-making capacity and communicates clearly using a whiteboard. He writes, "I cannot live like this anymore. Please take this mask off." The attending physician discusses the consequences, and the patient demonstrates a clear understanding that removing the NIPPV will rapidly lead to his death. He then writes, "Before you take it off, please give me a medication that will end my life immediately so I do not have to suffocate." Which of the following is the most appropriate next step in management?

An intensive care unit team is managing a 72-year-old woman who sustained a massive ischemic stroke. She is unresponsive and lacks medical decision-making capacity. Her clinical prognosis is extremely poor, and she is unlikely to regain meaningful cognitive function.

The patient has a legally valid, signed Durable Power of Attorney for Healthcare designating her longtime friend as her healthcare proxy. The friend presents the document to the medical team and requests that the patient be transitioned to comfort care. The friend explains that the patient repeatedly expressed a desire never to be kept alive on life support without hope of recovery.

Shortly after, the patient's adult daughter arrives at the hospital. The daughter is distraught and insists that all life-sustaining measures, including placement of a percutaneous feeding tube, be initiated immediately. The daughter states she is the legal next of kin and threatens legal action if her mother's care is de-escalated. The patient's chart does not contain a separate written living will.

Based on standard legal and ethical principles, which of the following is the most appropriate action for the physician?

An attending cardiologist is the lead inventor of a novel transcatheter pacing system and holds a patent that was recently licensed to a major medical device manufacturer. The manufacturer pays the cardiologist royalties based on commercial sales. The cardiologist is evaluating a 75-year-old patient with symptomatic sick sinus syndrome who requires permanent pacemaker implantation. The cardiologist believes the novel pacing system is clinically superior for this specific patient. Concurrently, the cardiologist serves as a voting member of the hospital's Value Analysis Committee, which is meeting next week to determine whether to authorize a bulk purchase contract for this new device. Which of the following best outlines the physician's ethical and professional obligations in this scenario?

A 42-year-old woman presents to an urgent care clinic with sudden-onset shortness of breath and pleuritic chest pain. Upon rooming the patient, the medical assistant hands the chart to the physician and states, "The patient in room 2 is here for an anxiety attack, just like the one she had last month." The physician enters the room and immediately assumes the patient's dyspnea is secondary to a panic disorder exacerbation. To confirm this suspicion, the physician focuses the interview strictly on eliciting a history of recent psychological stressors and feelings of impending doom. During the physical examination, the patient repeatedly attempts to report a new, deep aching pain in her right calf that began the previous day. The physician dismisses this information, assuring the patient that muscle tension is a normal somatic manifestation of severe anxiety. The patient is discharged with a lorazepam prescription. Twelve hours later, she is brought to the emergency department in obstructive shock due to a massive saddle pulmonary embolism.

Which of the following cognitive errors most heavily contributed to the physician's diagnostic failure? (Select exactly two options)

Match each patient scenario with the most appropriate tier of isolation precautions required to prevent healthcare-associated transmission.

A 60-year-old man presents to the emergency department with severe, crushing chest pain that began 45 minutes ago. An initial electrocardiogram reveals ST-segment elevations in leads II, III, and aVF. The emergency physician diagnoses an acute inferior myocardial infarction. During the brief history, the patient mentions taking sildenafil 12 hours prior for erectile dysfunction. The physician, focusing on the acute coronary syndrome algorithm, immediately orders sublingual nitroglycerin and aspirin. The nurse administers the medications. Within minutes, the patient develops profound hypotension and cardiogenic shock. He requires emergent endotracheal intubation, initiation of vasopressors, and placement of an intra-aortic balloon pump. He survives but requires a 14-day intensive care unit stay. A subsequent hospital review reveals that the electronic health record drug-drug interaction alert system had been temporarily disabled by the information technology department for a system update without notifying the clinical staff. According to the taxonomy of medical errors and patient safety, which of the following best classifies the elements of this incident?

A 45-year-old man is evaluated in the emergency department for a 4-day history of increasing pain, redness, and swelling on his right forearm. He has a medical history of bipolar disorder and hypertension. His temperature is 37.8°C (100.0°F), blood pressure is 135/85 mmHg, and pulse is 92/min. Examination reveals a 5-cm fluctuant, erythematous, and exquisitely tender mass on the volar aspect of the right forearm. The physician recommends an incision and drainage of the abscess. The physician clearly explains that without drainage, the infection could spread, potentially leading to sepsis, loss of the limb, or death. The patient listens and responds, 'I understand the infection could spread to my blood and kill me if you don't drain it. But I have a severe phobia of scalpels from a past trauma. I absolutely refuse any cutting. I will only take antibiotic pills.' The patient is alert, oriented, and exhibits linear thought processes. The nursing staff notes that the patient's sister is listed as his legally designated healthcare proxy in the electronic medical record. The physician contacts the sister, who states, 'He is not thinking clearly. I have his medical power of attorney. I authorize you to do the procedure.' Which of the following is the most appropriate next step in management?

A 64-year-old woman with advanced breast cancer metastatic to the liver and axial skeleton is evaluated in the inpatient palliative care unit. She was admitted two days ago for intractable bone pain. Her home pain regimen consisted of extended-release morphine 90 mg every 12 hours and immediate-release morphine 30 mg every 4 hours as needed. Over the past 48 hours, her required frequency of breakthrough morphine has doubled. Today, she is profoundly agitated and complains of severe, diffuse pain, crying out even when the bedsheets lightly brush her skin. Her husband, who is her designated healthcare proxy, is distressed and states, "The cancer is spreading rapidly and she is in agony! You must increase her morphine dose immediately."

On physical examination, the patient is disoriented to time and place. She exhibits frequent, brief, shock-like involuntary muscle contractions in her upper and lower extremities. Vital signs are temperature 37.1°C (98.8°F), heart rate 92/min, blood pressure 110/70 mm Hg, and respiratory rate 16/min. Laboratory studies show a serum creatinine level of 3.4 mg/dL (baseline 0.9 mg/dL).

When approached by the care team, the patient intermittently yells, "I just want my normal pain pills, don't change them!"

Which of the following is the most appropriate next step in management?

An outpatient endoscopy center experiences a sentinel event when a patient develops severe hypoxemia and cardiac arrest during a routine colonoscopy. The patient requires cardiopulmonary resuscitation and emergent transfer to a hospital intensive care unit. The center's medical director immediately initiates a formal investigation into the incident. Arrange the following steps of the root cause analysis (RCA) process in the correct chronological order.

A 45-year-old man with a history of severe alcohol use disorder and Wernicke encephalopathy is hospitalized with acute necrotizing pancreatitis. The medical team strongly recommends starting enteral nutrition via a nasojejunal tube to improve his clinical outcome. However, the patient repeatedly pulls the tube out and adamantly refuses the intervention, stating, 'I am totally fine, there is nothing wrong with my stomach, I just need a beer.' The attending physician decides to perform a formal, structured evaluation of the patient's decision-making capacity regarding this specific refusal. According to the standard clinical protocol for evaluating capacity (the four pillars of capacity), arrange the following assessment domains and clinical actions in their logical, hierarchical sequence, starting from the most fundamental cognitive ability to the final clinical disposition.

A 68-year-old man is admitted to the telemetry step-down unit for an acute exacerbation of chronic obstructive pulmonary disease. He is placed on continuous pulse oximetry and electrocardiographic monitoring. Over the first 12 hours of the shift, the central nursing station monitor emits over two dozen audible alerts indicating transient oxygen desaturations. Each time, the bedside nurse determines the patient was merely coughing or repositioning in bed, causing the sensor to temporarily lose its signal. During the early morning hours, the monitor alarms again for an oxygen saturation of 76%. Assuming this is another false alert caused by patient movement, the care team mutes the notification from the central desk and does not immediately enter the room. Thirty minutes later, the patient is found unresponsive with acute hypercapnic respiratory failure requiring emergent intubation. Which of the following human factors principles best describes the primary cause of the delayed intervention in this scenario?