Tüm alıştırma soruları

A female patient in her late fifties with widely metastatic ovarian cancer is admitted to the inpatient palliative care unit for management of intractable pain. She is somnolent, intermittently delirious, and has been explicitly determined to lack the capacity to make medical decisions. She is visibly grimacing, tachypneic, and moaning continuously despite receiving scheduled doses of intravenous morphine. The medical team concludes that initiating a continuous intravenous fentanyl infusion is required to provide adequate analgesia.

The patient's legally appointed healthcare proxy is her adult son. Her estranged husband, from whom she has been separated for five years but not legally divorced, is also present at the bedside. Upon discussing the pain management plan, the son refuses to provide consent for the fentanyl infusion. He states, "I know these continuous opioid drips can suppress respiratory drive and hasten death. Our religion strictly forbids any action that might shorten a person's life. You must use something else."

The physician explains that while respiratory depression is a known risk, the exclusive medical intent is to relieve her severe suffering, and non-opioid medications are entirely insufficient for this level of pain. The son remains steadfast in his refusal. The estranged husband approaches the physician privately and says, "She is in agony. I give you permission to start the fentanyl."

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

A 31-year-old man is evaluated in the emergency department for a deep forearm laceration sustained when he punched a glass window during an altercation at a local tavern. He is intoxicated, agitated, and uncooperative. While the physician is suturing the wound, the patient angrily states, "As soon as I get out of here, I'm going to my ex-girlfriend's house and I'm going to shoot her for causing this." He confirms he has a loaded handgun in his vehicle. Later in the interview, he casually mentions that he frequently "beats some sense" into his 8-year-old son when he gets drunk. Laboratory testing, drawn as part of a standard screening protocol, returns positive for *Neisseria gonorrhoeae*. The patient vehemently demands that the physician not share anything discussed or discovered during this visit with anyone.

Which of the following actions involving the disclosure of this patient's information without his consent are legally and ethically appropriate? (Select all that apply)

Match each of the following clinical and organizational scenarios with the most appropriate patient safety classification.

A 54-year-old man presents to an outpatient clinic with a puncture wound on his foot after stepping on a rusty nail. The physician thoroughly cleans and dresses the wound. The patient requests his medical records a month later for a new job's pre-employment screening and authorizes their release. Upon reviewing the chart, the patient realizes the physician forgot to ask about his tetanus immunization status and failed to administer a tetanus toxoid booster. The wound has completely healed without any signs of infection or tetanus. The patient files a medical malpractice lawsuit against the physician for this omission. Which of the following is the most likely legal outcome of this lawsuit, and the primary reason for it?

A 62-year-old man undergoes an elective laparoscopic cholecystectomy. During the procedure, the surgeon requests bupivacaine for local infiltration of the port sites. The scrub nurse retrieves a medication vial from the operating room's automated dispensing cabinet, draws the contents into a syringe, and hands it to the surgeon, who injects it. During the postoperative debrief, the circulating nurse audits the empty vials and discovers that tranexamic acid was administered instead of bupivacaine. Both medications are stocked in adjacent bins, and their vials are of identical size with identical blue caps. The patient's vital signs remain stable, and he suffers no adverse effects. The incident is reported to the hospital's quality improvement committee. According to the hierarchy of intervention effectiveness in patient safety, which of the following represents the best systemic strategy to prevent this specific error from recurring?

A 64-year-old woman is treated for a pulmonary embolism. During her hospitalization, she receives an incorrect dose of intravenous heparin due to a weight-conversion error (pounds instead of kilograms). The error results in a supratherapeutic partial thromboplastin time and minor mucosal bleeding, which resolves after the infusion is temporarily paused. The hospital's quality and safety committee initiates a formal root cause analysis (RCA) to investigate the incident and prevent future occurrences.

Arrange the following steps of the root cause analysis process in the correct chronological sequence.

An attending physician realizes they accidentally prescribed a ten-fold overdose of an anticoagulant, which a nurse has just administered to the patient. Arrange the following steps in the most appropriate chronological order for managing this medical error according to professional and ethical guidelines.

Match each clinical scenario regarding patient privacy to the most appropriate ethical or legal action.

A 34-year-old woman is evaluated in the urgent care center for left-sided facial pain and bruising. She initially states she tripped and fell against a doorknob. Physical examination reveals a healing ecchymosis over the left zygoma and a nondisplaced nasal bone fracture. After the nurse leaves the room, the patient becomes tearful and discloses that her live-in partner punched her in the face two days ago. She expresses intense fear, stating, "Please do not tell anyone. If he finds out I talked, he will become even more violent, and I have nowhere else to go." She is alert, fully oriented, and exhibits clear, logical thought processes. Which of the following is the most appropriate next step in management?

A 45-year-old man is hospitalized for the treatment of acute lymphoblastic leukemia. His chemotherapy regimen requires the administration of intravenous vincristine and intrathecal methotrexate on the same day. Due to a workflow delay in the pharmacy, both medications are prepared and delivered to the nursing unit simultaneously. The medications are supplied in standard syringes of similar size and shape. During administration, a cross-covering nurse inadvertently connects the vincristine syringe to the patient's intrathecal port and administers the medication. The patient subsequently develops fatal ascending polyneuropathy. The hospital's quality improvement committee convenes a multidisciplinary team to perform a root cause analysis. They aim to implement a system-level intervention that utilizes human factors engineering to prevent this specific error from ever recurring. Which of the following proposed interventions is considered a forcing function and represents the most reliable strategy to achieve this goal?

A tertiary care hospital is preparing to integrate a novel, highly automated intravenous chemotherapy administration system across its oncology wards. In an effort to proactively prevent adverse drug events before the system is implemented, the medical executive committee mandates a Failure Mode and Effects Analysis (FMEA). Arrange the following procedural steps of this prospective quality improvement tool in the correct chronological sequence, from initial action to final implementation.

A 71-year-old man is transferred from the surgical intensive care unit (ICU) to the general medical-surgical ward. He is postoperative day 2 following an exploratory laparotomy for mesenteric ischemia. At 3:00 PM, the transferring ICU physician gives a verbal sign-out to the receiving ward physician in a busy hospital corridor. During the brief exchange, the ICU physician mentions that a complete blood count (CBC) should be checked at 6:00 PM due to a subtle downward trend in the patient's hemoglobin. The ward physician is interrupted by a text page regarding another patient and subsequently forgets to place the order for the CBC. At 10:00 PM, the patient becomes acutely hypotensive and tachycardic, and a rapid response is called. A STAT CBC reveals a hemoglobin of 6.2 g/dL, and the patient requires an emergency massive transfusion. A subsequent multidisciplinary review identifies unstructured interdepartmental sign-outs as a frequent source of near-misses. Which of the following is the most appropriate action for the hospital's quality improvement committee to take to prevent similar events?

A 72-year-old man is admitted to the hospital with worsening dyspnea, orthopnea, and bilateral lower extremity edema. A chest radiograph reveals cardiomegaly and bilateral pleural effusions, and he is started on intravenous furosemide. The patient is fully alert, oriented, and demonstrates intact decision-making capacity. During morning rounds, he explicitly tells the physician, "Please do not discuss my hospitalization or my health with my son under any circumstances. We have been estranged for years." The following day, the son calls the nursing station. He faxes a legally valid document proving he is the patient's designated healthcare proxy and demands to know if his father is suffering from another chronic obstructive pulmonary disease (COPD) exacerbation. Which of the following is the most appropriate response by the physician?

Match each clinical scenario involving end-of-life decision-making with the ethical principle or legal framework that primarily justifies the appropriate medical management.

Match each of the following clinical scenarios to the most appropriate patient safety error classification.

A 68-year-old man is admitted to the progressive care unit for a severe exacerbation of chronic obstructive pulmonary disease. On admission, he is awake, alert, and fully oriented. The attending physician informs the patient that his respiratory status is precarious and that he may soon require mechanical ventilation if standard medical therapy fails. The patient demonstrates full understanding of his clinical situation and explicitly states, "I know how bad my lungs are. If I stop breathing on my own, I do not want a breathing tube under any circumstances. Just keep me comfortable." The physician determines the patient has full decision-making capacity and thoroughly documents this conversation in the electronic medical record. Six hours later, the patient develops profound respiratory acidosis, becomes severely lethargic, and is entirely unresponsive to verbal and tactile stimuli. He currently lacks decision-making capacity. The patient's daughter, who is his legally appointed healthcare proxy, arrives at the hospital. She presents a formal, notarized advance directive completed by the patient 4 years ago. The document explicitly requests "all available life-sustaining treatments, including intubation and mechanical ventilation, to prolong my life." The daughter is distraught and demands that the medical team intubate her father immediately. Which of the following is the most appropriate next step in the management of this patient?

A 54-year-old woman is intubated and sedated in the intensive care unit following a severe asthma exacerbation that progressed to hypoxic respiratory failure. She currently lacks decision-making capacity. The clinical team determines that a tracheostomy is medically indicated and needs consent to proceed. A thorough search of her medical records and personal belongings reveals no advance directive, living will, or designated healthcare proxy. Several individuals have arrived at the hospital, each expressing strong opinions about her care and offering to provide consent.

According to standard legal and ethical consensus for surrogate decision-making, arrange the following individuals in order of their statutory priority to act as the patient's surrogate decision-maker, from highest priority (first) to lowest priority (last).

A 35-year-old male patient schedules a follow-up appointment to review the results of predictive genetic testing. His father was diagnosed with Huntington disease six months ago, prompting the patient to seek testing. The laboratory analysis reveals a CAG trinucleotide repeat expansion in the HTT gene, indicating that he is destined to develop the condition. Upon hearing the news, he becomes visibly distressed. The patient is employed as a driver for the city's public transit system. A detailed neurologic assessment performed today reveals intact cranial nerves, normal tone and bulk, and no evidence of choreiform movements or coordination deficits. Cognitive testing is unremarkable. The patient states, 'You cannot share this with anyone, especially my boss. My family depends on my salary, and I am perfectly capable of doing my job.' Which of the following is the most appropriate action by the physician?

A 62-year-old woman is admitted to the intensive care unit for management of severe acute pancreatitis. She is receiving continuous enteral nutrition via a nasogastric tube and broad-spectrum intravenous antibiotics via a central venous catheter. During a shift change, a newly hired nurse inadvertently connects an enteral feeding syringe containing 50 mL of formula to the port of the central venous catheter and administers the dose intravenously. The patient rapidly develops acute respiratory distress syndrome and hemodynamic instability, requiring emergent endotracheal intubation. The patient is stabilized after aggressive resuscitation. A multidisciplinary committee is convened to review the incident. Which of the following is the most effective strategy to prevent this type of adverse event from recurring in this hospital?

A 41-year-old woman is evaluated in the emergency department following a minor motor vehicle collision. A computed tomography scan of the cervical spine is performed. The preliminary read by the resident radiologist notes no acute fractures, and the patient is discharged with instructions to take ibuprofen for muscle spasms. Four hours later, the attending radiologist issues the final report, which confirms the absence of fractures but notes an incidental 1.5-cm thyroid mass with highly suspicious features. The final report is automatically uploaded to the electronic health record. The finding is not communicated to the patient or her primary care physician. Three years later, she presents with severe dysphagia and is diagnosed with metastatic medullary thyroid carcinoma. A root cause analysis identifies a failure in the communication loop for incidental findings as the primary cause. Based on the hierarchy of intervention effectiveness, which of the following proposed solutions is most likely to prevent recurrence of this type of error?