Colloquium 2015-1(147-180)
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A 52-year-old man comes to the physician with his wife because of a 1-year history of excessive daytime sleepiness. He does not think the symptoms are problematic, but his wife is concerned because he sometimes falls asleep on the sofa early in the evening when guests are present. He also once fell asleep while driving at night and drove off the road, narrowly avoiding injury. His wife says that he has always snored loudly, and over the past year, he has had episodes of choking or gasping for breath while sleeping. He is 178 cm tall and weighs 105 kg; BMI is 33 kg/m2. His pulse is 76/min, respirations are 14/min, and blood pressure is 150/76 mm Hg. Physical and neurologic examinations show no other abnormalities. Which of the following is most likely to confirm the diagnosis?

  • Laryngoscopy
  • Polysomnography (correct)
  • CT scan of the head
  • 24-Hour ambulatory ECG monitoring
  • Multiple sleep latency test
  • A 67-year-old woman has had fatigue, dry skin, brittle hair, swelling of the ankles, and cold intolerance for 1 year; she has gained 9 kg during this period. Her pulse is 55/min, and blood pressure is 150/90 mm Hg. She appears lethargic. Examination shows dry skin and a nontender thyroid gland that is enlarged to two times its normal size. There is mild edema of the ankles bilaterally. The relaxation phase of the Achilles reflex is greatly prolonged. Which of the following is the most likely diagnosis?

  • Chronic lymphocytic thyroiditis (Hashimoto disease) (correct)
  • Thyroid cyst
  • Thyroiditis
  • Multinodular goiter
  • Graves disease
  • A 19-year-old man has had fever, headache, sore throat, and swelling of the cervical lymph nodes for 5 days. His temperature is 40°C, pulse is 120/min, respirations are 20/min, and blood pressure is 125/85 mm Hg. The pharynx is red and swollen with enlarged tonsils and exudate. There is tender cervical adenopathy and palpable lymph nodes in the axillary and inguinal areas. The spleen tip is palpable. Leukocyte count is 14,000/mm3 (25% segmented neutrophils, 60% atypical lymphocytes, and 15% monocytes). A throat culture is obtained. Which of the following is the most likely pathogen?

  • Toxoplasma gondii
  • Epstein-Barr virus (correct)
  • Group A streptococcus
  • Cytomegalovirus
  • Adenovirus
  • A healthy 16-year-old boy comes to the physician for an examination prior to participation in school sports. He is at the 90th percentile for height and 75th percentile for weight. His temperature is 37°C (98.6°F), pulse is 66/min, respirations are 16/min, and blood pressure is 145/95 mmHg. Examination shows no other abnormalities. Which of the following is the most appropriate next step in management?

    <p>Repeat blood pressure measurement in 2 weeks</p> Signup and view all the answers

    A 15-month-old girl is brought to the emergency department after a generalized tonic-clonic seizure at home. The seizure stopped spontaneously after 2 minutes, and she seemed sleepy afterward. Her temperature prior to arrival was 39.6°C, and paramedics administered rectal acetaminophen. Her parents state that yesterday she had a mild runny nose but otherwise has been well. There is no personal or family history of serious medical illness or seizures. Development has been appropriate for age. On arrival, she is afebrile, alert, and interactive. Physical examination shows a supple neck. Neurologic examination shows no focal findings. Which of the following is the most appropriate next step in management?

    <p>Reassurance</p> Signup and view all the answers

    A 3-month-old boy is brought to the emergency department because of a 3-day history of vomiting and diarrhea. He has a low-pitched cry and responds only to painful stimuli. His temperature is 35.2°C, pulse is 203/min, respirations are 48/min, and blood pressure is 52/35 mm Hg. Peripheral pulses are barely palpable. Capillary refill time is delayed. Administration of 100% oxygen by nasal cannula is begun. Multiple attempts at establishing peripheral intravenous access are unsuccessful. Which of the following is the most appropriate next step in management?

    <p>Placement of an intraosseous catheter</p> Signup and view all the answers

    A 72-year-old female presents with a 6-week history of "carrot colored skin." She denies fever, malaise, or abdominal pain. Her only medications are hydrochlorothiazide and a baby aspirin daily. On examination she has icteric sclera and a single enlarged left supraclavicular lymph node which is nontender. Which one of the following is the most likely diagnosis?

    <p>Carcinoma of the head of the pancreas</p> Signup and view all the answers

    Hyperbaric oxygen treatment has been shown to be beneficial for which one of the following conditions?

    <p>Crush injury wounds</p> Signup and view all the answers

    Which one of the following medications should be discontinued in pregnancy?

    <p>Atenolol</p> Signup and view all the answers

    A 25-year-old female reports the absence of menses for the past 6 months. She has an elevated prolactin level and all her other labs and exams are normal. Which one of the following would be most appropriate at this point to further evaluate her pituitary gland?

    <p>MRI of the pituitary</p> Signup and view all the answers

    Which one of the following EKG abnormalities would dictate the use of a pharmacologic stress test as opposed to an exercise stress test?

    <p>Left bundle branch block</p> Signup and view all the answers

    An elderly immunosuppressed woman has not been feeling well for the last week. She is hospitalized and noted to have an increased respiratory rate. She has no fever or cough. A chest radiograph reveals diffuse bilateral interstitial infiltrates. Which one of the following is the most likely diagnosis?

    <p>Pneumocystis pneumonia</p> Signup and view all the answers

    Which one of the following medications is most likely cause of viamin B12 deficiency?

    <p>Omeprazole</p> Signup and view all the answers

    Tramadol should be avoided in patients with a history of which one of the following?

    <p>Seizures</p> Signup and view all the answers

    For patients on lithium monotherapy for bipolar disease, monitoring should include periodic blood levels of lithium, creatinine, and:

    <p>TSH</p> Signup and view all the answers

    A 35-year-old otherwise healthy male who is not on any medications complains of 3-4 episodes of watery diarrhea that started 2 days earlier. The diarrhea is accompanied by some nausea and abdominal cramping. He denies fever, dehydration, and bloody stool. Which one of the following is indicated at this time?

    <p>No testing</p> Signup and view all the answers

    A 6-year-old boy has right anterior cervical chain lymph node that was noted a week ago after he had recovered from an upper respiratory infection. It measures 2 cm in diameter and is somewhat firm, mobile, and nontender. The remainder of the examination is normal. Which one of the following would be most appropriate at this point?

    <p>Follow-up examination in 1 month</p> Signup and view all the answers

    Which one of the following is the treatment of choice for Campylobacter resistant to quinolones?

    <p>Azithromycin</p> Signup and view all the answers

    Diabetic retinopathy can be distinguished from hypertensive retinopathy by which one of the following?

    <p>Microaneurysms</p> Signup and view all the answers

    Post-thyroidectomy high dose radio-iodine therapy improves long-term survival in:

    <p>Papillary thyroid carcinoma</p> Signup and view all the answers

    Absolute indications for dialysis include:

    <p>Uremic pericarditis</p> Signup and view all the answers

    A 30 years old woman with subacute Streptococcus viridans endocarditis, has penicillin allergy. Which of the following would be the most appropriate alternative?

    <p>Intravenous vancomycin</p> Signup and view all the answers

    A low-risk patient is discharged from hospital after an acute coronary syndrome. His condition is stable. When can he resume driving for short distances?

    <p>In about 1 week</p> Signup and view all the answers

    For most patients, which one of the following modalities is the safest to confirm cirrhosis diagnosis?

    <p>Ultrasound</p> Signup and view all the answers

    High intake of which one of the following foods has been most strongly linked to the development of colorectal cancer?

    <p>Red meat</p> Signup and view all the answers

    Which one of the following is most sensitive for detecting alcohol use disorders?

    <p>Screening questionnaires</p> Signup and view all the answers

    Which one of the following psychiatric conditions is associated with acquired long QT interval?

    <p>Anorexia nervosa</p> Signup and view all the answers

    In chronic subdural hematoma, one is wrong:

    <p>increase by osmosis</p> Signup and view all the answers

    In case of acute headache presenting to the emergency room. The first thing to do:

    <p>Assessment for nucchal rigidity</p> Signup and view all the answers

    All the following are features of salicylates intoxication except one:

    <p>Convulsions</p> Signup and view all the answers

    All the following are critical features in accidental drug poisoning except one:

    <p>Vomiting</p> Signup and view all the answers

    Which of the following tests has a high positive predictive value for Juvenile Rheumatoid Arthritis?

    <p>None of the above</p> Signup and view all the answers

    Study Notes

    • Medical cases and questions are presented.
    • Patient demographics, symptoms, and physical exam findings are detailed for each case.
    • Relevant diagnostic tests and management approaches are suggested.
    • The questions posed are designed to assess the student's understanding of medical diagnoses and appropriate treatment plans.

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    Description

    This quiz presents a series of medical cases that include patient demographics, symptoms, and physical exam findings. Students will need to interpret the information and apply their knowledge of diagnostic tests and management approaches to answer the questions. This assessment is designed to enhance understanding of medical diagnoses and appropriate treatment plans.

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