Tüm alıştırma soruları

Match each clinical scenario involving informed consent or refusal with the ethical or legal principle that most appropriately governs the physician's required action.

A 62-year-old man is diagnosed with metastatic colon cancer. A review of his electronic health record (EHR) reveals that a positive fecal immunochemical test (FIT) result from 18 months ago was automatically routed to a default "archived" folder in the system. As a result, no alert was generated for the primary care provider, the result was never reviewed, and the necessary diagnostic colonoscopy was delayed. The clinic's medical director is notified of this adverse event and plans to address the incident to prevent future occurrences. Which of the following is the most appropriate initial step in the investigation of this event?

A 58-year-old man is evaluated in the intensive care unit on hospital day 3. He was admitted following a severe motor vehicle collision that resulted in a traumatic brain injury and multiple rib fractures. The patient was intubated in the emergency department for airway protection and remains mechanically ventilated. Sedation is being carefully titrated to allow for neurological assessments. His temperature is $37.4^\circ\text{C}$ ($99.3^\circ\text{F}$), blood pressure is $132/82\text{ mm Hg}$, pulse is $88/\text{min}$, and respirations are $16/\text{min}$ (ventilator set rate). Pulse oximetry shows $98\%$ on an $\text{FiO}_2$ of $0.40$. Physical examination reveals a sedated patient who arouses to deep painful stimuli. Lung auscultation reveals clear breath sounds bilaterally. Laboratory studies show a leukocyte count of $11,500/\text{mm}^3$. The intensive care unit team is reviewing the patient's care plan to implement standardized measures to prevent hospital-acquired conditions. Which of the following is the most appropriate intervention to reduce this patient's risk of developing ventilator-associated pneumonia?

A 42-year-old woman is evaluated in the emergency department for progressive shortness of breath and a dry cough over the past week. She has a history of poorly controlled asthma and obesity. Over the past month, the region has experienced unprecedented wildfires, and the evaluating physician has managed dozens of severe asthma exacerbations. Upon initial assessment, the physician notes bilateral wheezing, immediately diagnoses an asthma exacerbation, and prescribes systemic corticosteroids and continuous bronchodilator nebulization.

Two hours later, the patient's hypoxia worsens despite therapy. The physician returns to the bedside and specifically questions the patient about her recent compliance with home inhalers and whether she has been keeping her windows open at home. During this conversation, the physician disregards the patient's new complaint of sharp, right-sided pleuritic chest pain, attributing it to muscle strain from forceful coughing. A subsequent CT pulmonary angiogram, ordered by a different physician during shift change, reveals a large saddle pulmonary embolism.

Which of the following cognitive biases best explains the initial physician's persistent focus on an asthma exacerbation despite the patient's worsening clinical trajectory and new symptoms?

A 75-year-old man is hospitalized with urosepsis. Over the next 24 hours, he develops acute kidney injury and severe oliguria. His blood pressure drops to 85/50 mm Hg, and he is transferred to the intensive care unit for vasopressor support and urgent hemodialysis. The patient is confused, disoriented, and repeatedly asks the nursing staff for his car keys. When the physician attempts to explain the need for dialysis, the patient is unable to demonstrate an understanding of his condition or the proposed treatment.

A valid advance directive (living will), signed by the patient three years ago when cognitively intact, is present in his medical record. It explicitly states: "In the event of a severe but potentially reversible illness, I want all necessary medical interventions, including life support and dialysis, to aid my recovery."

The patient's son, who is legally designated as the healthcare proxy in the advance directive document, arrives at the bedside. Seeing his father agitated and confused, the son says, "I know the document says he wants treatment, but seeing him suffer like this breaks my heart. As his medical power of attorney, I am instructing you to withhold the dialysis and just keep him comfortable."

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

A 78-year-old female with a history of type 2 diabetes mellitus and mild cognitive impairment is admitted to the medical ward for a non-healing foot ulcer complicated by biopsy-proven osteomyelitis. The vascular surgery team recommends a below-the-knee amputation to prevent progression to life-threatening sepsis. The patient adamantly refuses the procedure, stating, 'My foot is perfectly healthy; it just needs some healing lotion.' The attending physician notes she is oriented to person and place but struggles to articulate the risks of non-intervention, raising concerns about her ability to make medical decisions.

Arrange the following administrative and clinical steps in the correct sequential order for managing this patient's treatment refusal, starting with the immediate NEXT step (1) to the final escalation step (5).

Match each clinical scenario describing a hospitalized patient with the most appropriate and specific infection control precaution requirement according to CDC and IDSA guidelines.

A 28-year-old male athlete is evaluated in an ambulatory sports medicine clinic for unilateral left lower extremity pain and swelling that began three days ago. The initial nursing triage note prominently lists the primary concern as 'Possible deep vein thrombosis; patient returned from a 14-hour international flight two days prior to symptom onset.'

During the clinical interview, the patient discusses his intensive training regimen for an upcoming marathon. The attending physician recently returned from a national symposium that featured a keynote presentation on popliteal artery entrapment syndrome, a rare cause of leg pain in young athletes. Fascinated by this condition, the physician immediately adopts this as the primary working diagnosis.

Despite the significant travel history and unilateral swelling, the physician orders a specialized magnetic resonance angiogram of the popliteal artery to confirm the entrapment. Furthermore, the physician explicitly decides against obtaining a standard lower extremity venous duplex ultrasound, documenting in the chart that 'venous imaging will not assist in confirming the suspected arterial pathology.'

Based on the physician's decision-making process, identify the TWO cognitive errors that simultaneously drove this diagnostic approach. (Select two correct answers)

A local health department is investigating a new respiratory infection in a retirement community. On January 1, the community has a total population of 5,000 residents. Initial screening on that day reveals that 200 residents already have the infection. The remaining residents are followed for the next 12 months. During this 1-year period, 480 new cases of the infection are diagnosed. No residents die or leave the community during the year. What is the cumulative incidence of this infection in the community over the 1-year period?

Physicians frequently encounter situations that challenge the boundaries of the patient-physician relationship. Match each of the following clinical boundary dilemmas with the most appropriate ethical course of action.

For each of the following patient encounters concerning privacy, select the legally and ethically mandated physician response.

A resident physician sustains a percutaneous needlestick injury with a used hollow-bore needle after drawing blood from a newly admitted patient. The patient's infectious disease status is currently unknown. Arrange the following steps in the correct chronological order for the management of this occupational exposure, from the immediate first action to the final management step.

A 38-year-old man with a 10-year history of schizoaffective disorder is evaluated in the surgical ward for a rapidly spreading necrotizing soft tissue infection of his right lower extremity. Intravenous antibiotics have been initiated, but the surgical team determines that an urgent right above-knee amputation is required to prevent death from overwhelming sepsis. The physician discusses the procedure, risks, benefits, and the certainty of death without surgery. The patient refuses the amputation, stating, "I understand that if I don't have this leg cut off, the infection will spread to my blood and I will die in a few days. But my body is a temple, and I refuse to be mutilated. I would rather die intact." He calmly repeats the physician's explanations accurately and demonstrates clear understanding of his prognosis. His thought processes are linear, and he denies any current auditory or visual hallucinations commanding him to refuse. His sister, who is his emergency contact, arrives and demands that the surgery be performed, stating, "He has a severe mental illness; he's clearly not competent to make this choice. You have to save his life." Which of the following is the most appropriate next step in management?

Review the following complex clinical scenarios involving suspected physician impairment. Match each specific presentation with the most legally and ethically appropriate initial reporting pathway or intervention.

A 62-year-old man is recovering on the surgical ward two days after a right total hip arthroplasty. During the morning sign-out, the night-shift resident informs the day-shift physician, 'The patient developed tachycardia overnight, which is likely just secondary to postoperative pain and anxiety. I administered PRN analgesics.' Upon evaluating the patient, the day-shift physician assumes the tachycardia is pain-related. When the patient mentions experiencing mild chest discomfort, the physician attributes it to prolonged bed rest and positioning. An electrocardiogram is obtained and shows non-specific ST-segment changes. The physician quickly reviews the tracing, documenting that the findings are 'likely his baseline,' and decides not to order cardiac biomarkers or a computed tomography pulmonary angiogram. Later that afternoon, the patient suffers a cardiac arrest secondary to a massive myocardial infarction. Which of the following cognitive biases most significantly contributed to the day-shift physician's diagnostic error? (Select all that apply)

A 31-year-old man comes to the emergency department at 2:00 AM with a bleeding wound on his left anterior thigh. He states that he accidentally shot himself with a handgun while cleaning it in his garage. The wound is superficial, and there is no neurovascular compromise. After the bleeding is controlled and the wound is dressed, the patient is deemed medically stable for discharge. Before leaving, he becomes very anxious and begs the physician not to notify anyone about the incident. He explains that he has a prior felony conviction, is not legally permitted to possess a firearm, and will likely return to prison if the police are informed. Which of the following is the most appropriate next step by the physician?

A 32-year-old male patient is brought to the emergency department by ambulance due to a 4-day history of high fever, severe myalgias, and a progressive, diffuse vesicular rash. The patient recently returned from a trip abroad and was exposed to an individual with similar symptoms. Clinical suspicion for disseminated varicella-zoster virus is high. The triage nurse immediately moves the patient to an airborne infection isolation room (negative pressure). The admitting physician prepares to enter the room to perform a comprehensive physical examination. The hospital uses a standard sequence for personal protective equipment (PPE) to minimize transmission risk.

Arrange the following steps for donning personal protective equipment in the correct sequential order before entering the patient's isolation room.

A 34-year-old medical assistant working in a busy outpatient internal medicine clinic approaches the clinic physician at the end of the workday. She tearfully reports feeling increasingly depressed, fatigued, and anxious over the past three months due to severe marital difficulties. She explains that she has not established care with a primary care provider because of her demanding work schedule. The assistant asks the physician for a temporary prescription for sertraline to help her cope, stating, "I am familiar with the side effects of this medication, and I am legally competent to make this choice for myself." Which of the following is the most appropriate action for the physician to take?

Match each of the following clinical scenarios with the most appropriate legal or ethical physician action regarding mandatory reporting and confidentiality.

An occupational medicine physician evaluates a 52-year-old male construction worker after an incident where he was found asleep in the cabin of a tower crane. The patient's employer directed and funded this evaluation to determine if he can safely continue his duties. Polysomnography results confirm severe obstructive sleep apnea, and the physician concludes that the patient should not operate heavy equipment until the condition is adequately treated. The patient is informed of these findings. Later that afternoon, the company's human resources director contacts the physician by phone. The director requests the exact medical diagnosis, stating that the company requires it for their insurance and safety documentation since they paid for the assessment. The patient has not signed a specific release of information form authorizing the disclosure of his diagnosis. Which of the following is the most appropriate action by the physician?