Management USMLE 9 (1108-2000)

A 62-year-old woman presents to the ED with general weakness, shortness of breath, and substernal chest pain that radiates to her left shoulder. Her BP is 155/80 mmHg, HR is 92 beats per minute, and RR is 16 breaths per minute. You suspect that she is having an acute MI. Which of the following therapeutic agents has been shown to independently reduce mortality in the setting of an acute MI?

A 62-year-old man is suffering from arrhythmias on the night of his triple coronary bypass. Potassium has been administered. His urine output is 20 to 30 mL/h. Serum potassium level is 6.2. Which of the following medications counteracts the effects of potassium without reducing the serum potassium level?

A 62-year-old woman comes to the office for evaluation of a pigmented lesion on her left forearm. The lesion occasionally itches but is otherwise asymptomatic. She admits that she only came because her daughter had persuaded her to do so. On examination, there is a slightly elevated, brown-colored lesion measuring 7 mm in diameter with irregular borders. What is the best next step in management?

A 62-year-old woman comes to the physician because of bleeding from the vagina. She states that her last menstrual period came 11 years ago and that she has had no bleeding since that time. She has hypertension and type 2 diabetes mellitus. Examination shows a mildly obese woman in no apparent distress. Pelvic examination is unremarkable. An endometrial biopsy is performed that shows grade I endometrial adenocarcinoma. Which of the following is the most appropriate next step in management?

A 62-year-old woman has a 4-cm, hard mass under the nipple and areola of her rather small left breast. The mass occupies most of the breast, but the breast is freely movable from the chest wall. There is no dimpling or ulceration of the skin over the mass, and careful palpation of the axilla is completely negative. A core biopsy of the breast mass has established a diagnosis of infiltrating ductal carcinoma, and the mammogram showed no other lesions in that breast or the other one. A chest x-ray film and liver function tests are normal. She has no symptoms suggestive of brain or bone metastasis. Which of the following should be offered to this woman?

A 62-year-old woman presents to the ED with general weakness, shortness of breath, and substernal chest pain that radiates to her left shoulder. Her BP is 155/80 mmHg, HR is 92 beats per minute, and RR is 16 breaths per minute. You suspect that she is having an acute MI. Which of the following therapeutic agents has been shown to independently reduce mortality in the setting of an acute MI?

A 63-year-old male presents to the urgent care center with a four hour history of abdominal pain which he describes as severe, diffuse and constant. He has had one episode of non-bloody vomiting since the pain started. His past medical history is significant for coronary artery disease, diabetes, hypertension, chronic atrial fibrillation and chronic kidney disease. His current medications are lisinopril, digoxin, warfarin, metoprolol, and simvastatin and insulin glargine. On physical examination, his blood pressure is 130/70 mmHg and his heart rate is 100/min and irregular. Physical examination reveals an overweight male in moderate distress. His abdomen is diffusely tender to palpation with positive rebound tenderness. His laboratory findings are as follows: Hemoglobin 9.5 mg/dl, WBC count 7,500/mm3, Platelets 90,000/mm3, Sodium 137 mEq/L, Potassium4.5 mEq/L, Chloride 101 mEq/L, Bicarbonate 22 mEq/L, Glucose 210 mg/dl, Creatinine 1.8 mg/dl, INR 2.1, Blood digoxin level therapeutic. An upright abdominal x-ray shows free air under the diaphragm. Which of the following is the best initial treatment for this patient?

A 63-year-old woman presents with dyspnea and coughing up foul smelling purulent sputum. She has had many similar episodes in the past. There are no other constitutional symptoms and she denies excessive alcohol intake. On physical examination, she appears chronically ill with clubbing of the fingers. Heart sounds are normal, JVP is measured at 4 cm, and there are inspiratory crackles heard at the lung bases posteriorly. There is no hepatosplenomegaly or any palpable lymph nodes. CXR shows scaring in the left lower lobe, which on chest CT scan is identified as cystic changes with airway dilatation and bronchial wall thickening. Which of the following is the most appropriate initial next step in management?

A 63-year-old woman with chronic obstructive pulmonary disease (COPD) presents with a several-week history of fever, night sweats, weight loss, and cough. Her CXR is noted to have a density in the left upper lobe with a relatively thin-walled cavity. Bronchoscopy and computed tomographic (CT) scan are suggestive of a lung abscess rather than a malignant process. Which of the following is the most appropriate initial management of this patient?

A 64-year-old male patient with deep vein thrombosis is being treated with unfractionated heparin. On the 4th day of treatment, his platelet count drops to 80,000/cmm. His previous platelet count on day 2 was within normal range. He denies any bleeding-related complications, and is completely asymptomatic. His complete examination does not reveal any signs of bleeding. His blood pressure is 128/80mm of Hg, pulse is 78/min, and respirations are 20/min. He is afebrile. What is the most appropriate next step in the management of this patient?

A 64-year-old male, who rarely sees the doctor and doesn't believe in screening procedures, comes to office with the complaint of severe back pain. He has not felt comfortable for the past 4 months and is having severe pain in the back. He has found it difficult to sleep. He has hypertension, for which he takes hydrochlorothiazides regularly. He thinks that he has lost some weight. On examination, his BP is 165/90mm of Hg, while rest of vitals are stable. On rectal examination you find a rock hard 2 cm nodule in prostate. Biopsy shows poorly differentiated adenocarcinoma. Bone scans shows wide spread metastasis all over his skeleton. What is the most appropriate treatment for his metastatic disease?

A 64-year-old man with a history of a triple coronary artery bypasses 2 years ago presents with peripheral arterial occlusive disease. His only medication is a thiazide diuretic. Which of the following medications would be most appropriate in the medical management of his atherosclerosis?

A 65-year-old female is admitted to the hospital with increasing shortness of breath, weight gain and lower extremity edema. She has a history of hypertension, nonischemic cardiomyopathy with an ejection fraction of 30%, and hyperlipidemia. Her home medications include oral aspirin, digoxin, furosemide, metoprolol, lisinopril and atorvastatin. She is started on intravenous furosemide. On day three of hospitalization telemetry reveals six beats of wide complex ventricular tachycardia. Physical examination now shows decreased leg edema and clear lungs. Which of the following is the most appropriate next step in the management of this patient's tachycardia?

A 65-year-old Hispanic male is brought to the emergency department after having one seizure episode. His past medical history is significant for non-small cell lung carcinoma, which was diagnosed two years ago and treated surgically. He had no residual disease at that time. CT scan of the brain with contrast now shows a solitary cortical mass in the right hemisphere of the brain at the grey-white matter junction. His chest x-ray is clear. He is admitted for further management and started on phenytoin. Which of the following is the most appropriate management for this patient?

A 65-year-old lady comes to the office for the evaluation of her deteriorating memory. She has become increasingly forgetful over the last several months, and now appears very concerned about her memory loss. She used to pride herself for her sharp memory, but has been forgetting the most trivial things and has become "extremely inefficient." She also complains of easy fatigability, poor appetite, and frequent awakening at night. She feels worthless and has lost interest in her favorite hobby, which is gardening. On coughing or laughing, she loses urine involuntarily, and this is adding to her misery. She lives with her husband, who says that she has become very "cranky and irritable" lately. Her medical history is significant for hypercholesterolemia, for which she refuses to take medication. She is presently not on any hormonal therapy. The physical examination is completely normal. Laboratory studies are unremarkable. CT scan of the head is normal. What is the best next step in the management of this patient?

A 65-year-old male comes to the office and complains of nausea and early satiety for the past several months. His other complaints are anorexia and abdominal bloating. He denies any heartburn or epigastric pain. He has diabetes, and has been taking insulin for the last fifteen 15 years. His blood glucose readings using the home blood glucose monitor range between 40 to 400 mg/dL. Most of the low blood glucose readings occur after meals. Which of the following is the most appropriate management of this patient's symptoms?

A 65-year-old man presents to the emergency department with sudden onset of pain and weakness of the left lower extremity of 2-hour duration. Past history reveals chronic atrial fibrillation following a myocardial infarction 12 months ago. On examination, he is found to have a cool, pale left lower extremity with decreased strength and absent popliteal and pedal pulses. The opposite leg has a normal appearance with palpable pulses. Which of the following is the treatment of choice for this patient?

A 65-year-old man who smokes cigarettes and has chronic obstructive pulmonary disease falls and fractures the third, fourth, and fifth ribs in the left anterolateral chest. Chest x-ray is otherwise normal. Which of the following would be the most appropriate next step in his management?

A 65-year-old smoker previously diagnosed with chronic obstructive pulmonary disease presents to the emergency department complaining of worsening cough and sputum production. She reports feeling breathless when climbing the stairs to her first floor walk-up apartment, and has moderate difficulty in providing her history in complete sentences. X-ray of the chest shows hyper inflated lungs with flattened diaphragms, attenuated vascular markings, and a narrow mediastinum. What agent(s) will provide the greatest relief of symptoms in the emergency department?

A 65-year-old white man comes to the Emergency Room complaining of headache, insomnia, palpitations, and vomiting. His past medical history is significant for chronic obstructive pulmonary disease (COPD) treated with theophylline, ipratropium, and occasional albuterol. He had a puncture wound of the foot one week ago, and it is being treated effectively with amoxicillin-clavulanate and ciprofloxacin. For the past three days, his shortness of breath is worsening, and his primary care physician gave oral prednisone. His blood pressure is 150/80 mmHg and heart rate is 105/min with frequent ectopic beats. You suspect that drug toxicity may be responsible for this patient's complaints. Which of the following drugs is most likely responsible for his condition?

A 65-year-old woman has a life-threatening pulmonary embolus 5 days following removal of a uterine malignancy. She is immediately heparinized and maintained in good therapeutic range for the next 3 days, then passes gross blood from her vagina and develops tachycardia, hypotension, and oliguria. Following resuscitation, an abdominal CT scan reveals a major retroperitoneal hematoma. Which of the following is the best next step in management?

A 65-year-old woman is found to have osteoporosis on DEXA scan. She underwent right knee surgery five years ago and developed post-operative deep venous thrombosis, for which she was treated with 6 months of warfarin therapy. She also has severe gastroesophageal reflux disease and takes lansoprazole daily. Her mother died of breast cancer, her maternal aunt has endometrial cancer, and her paternal aunt has a history of ovarian cancer. She does not want to use bisphosphonates because of her reflux symptoms, and would like to consider raloxifene. Which of the following is a file:///D:/DES_Entry_2016MCQs/3C_USMLE/C-4Management/4Manag... 248 of 334 12/21/2016 3:59 PM contraindication to raloxifene in this patient?

A 65-year-old woman is very worried because she recently had a close family member and friend die, one after the other. First, her 85-year-old mother died of an ovarian cancer that was diagnosed 3 years ago. Last week, she lost her best friend to lung cancer that metastasized to the liver and brain. Today, her 58-year-old sister learned that she has breast cancer. She has regular pap smears and breast examinations. She has read in the paper that there are a few ways that have proved to be very successful in preventing breast cancer. Which of the following measures has the best evidence of preventing breast cancer in high-risk women?

A 66-year-old man complains of exertional dyspnea that has progressed over the last two years. As a result, he has had to limit his physical activities to avoid becoming short of breath. He denies any significant chest pain, but does note having a recurrent cough productive of whitish sputum. His past medical history is significant for hypertension controlled with hydrochlorothiazide. He has a 40 pack-year smoking history. His family history is significant for a stroke in his mother. His blood pressure is 160/90 mmHg and his heart rate is 80/min. Physical examination reveals a mildly overweight patient in no acute distress. His anteroposterior chest diameter is markedly increased. Breath sounds are decreased bilaterally with scattered expiratory wheezes. Which of the following agents is most likely to reduce this patient's symptoms?

A 66-year-old white male comes to the physician's office for the first time because of generalized muscle weakness. His review of systems is otherwise negative. He has a past medical history of hypertension, type- 2 diabetes, hyperlipidemia, chronic renal insufficiency and ischemic cardiomyopathy. Neurological examination shows mild weakness of the lower limbs, depressed reflexes and normal sensation. Laboratory studies show: Serum sodium 134 mEq/L, Serum potassium 6.0 mEq/L, Bicarbonate 24 mEq/L, Blood urea nitrogen (BUN) 38 mg/dl, Serum creatinine 2.8 mg/dl, Calcium 8.2 mg/dl, Blood glucose 298 mg/dl. A dose of sodium polystyrene sulfonate is given. Which of the following additional interventions is most important in this patient's management?

A 67 -year-old man presents to your office with a one month history of progressive fatigue and exertional dyspnea. He has no significant past medical history. Physical examination reveals enlarged, non-tender axillary lymph nodes bilaterally. His abdomen is soft and non-tender and the liver span is 10 cm. Serial fecal occult blood tests are negative. Laboratory values are as follows: Hemoglobin 7.8 mg/dl, MCV 90 fl, MCHC 33 g/dl, Reticulocytes 7%, WBC count 22,000/mm3, Platelets 200,000/mm3. Which of the following is most likely to improve this patient's symptoms?

A 67-year-old man presents to his primary care physician with a 1-cm skin lesion on his left forearm. On examination, it has a waxy appearance with rolled pearly borders surrounding a central ulcer. Which of the following is the most appropriate management of this patient?

A 67-year-old woman with a past medical history significant for hypertension, hypercholesterolemia, and type 2 diabetes calls 911 for severe shortness of breath. Her symptoms started 2 hours ago with chest pain and progressed rapidly to orthopnea and shortness of breath. Her blood pressure is 170/ 100 mmHg and heart rate is 120/min and regular. A third heart sound is present. Bilateral crackles are heard on chest auscultation. Her oxygen saturation is 78% with 40% inspired oxygen. She is intubated in the field by paramedics for progressive respiratory failure and is treated with nitrates and diuretics. After the initial resuscitation, breath sounds on the left side are markedly decreased. Which of the following is most likely to restore breath sounds to this hemithorax?