Multiple Choice Questions (MCQ)

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Category: Critical Care Medicine-Pharmacology and Toxicology--->Toxicology and Drugs of Addiction
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Question 1# Print Question

The Rumack-Matthew nomogram is a risk stratification tool that should be employed when an overdose of which of the following medications is confirmed?

A. Warfarin
B. Salicylic acid
C. Acetaminophen
D. Digoxin

Question 2# Print Question

Which of the following, if present upon initial presentation in a patient with acute digoxin overdose, portends a poor prognosis?

A. Visual disturbance
B. An ECG showing a high-degree atrio-ventricular block
C. Serum digoxin levels greater than 1 ng/mL
D. A serum potassium concentration greater than 5.5 mEq

Question 3# Print Question

A patient is brought in to the emergency department after being found down by her mother. She admits to the attending physician that she ingested a large dose of her prescribed amitriptyline approximately seven hours prior.

Which of the following pieces of information would be MOST helpful in risk stratification of likelihood of having a major cardiac or neurologic event due to her medication overdose?

A. Ingested dose
B. Peak serum amitriptyline concentration
C. Serum potassium level
D. QRS duration

Question 4# Print Question

A 29-year-old female is transferred to the intensive care unit (ICU) with a temperature of 104.5°F. Her only medical history includes herpes labialis and migraines, for which she regularly takes sumatriptan combined with ondansetron or metoclopramide for the associated severe nausea. She was initially admitted to the hospital for a cholecystectomy, which was complicated by vancomycinresistant enterococcus (VRE) bacteremia, and she was treated with linezolid. She was started on appropriate empiric therapy and became acutely altered, tremulous, and febrile. Blood cultures were obtained and showed no growth.

Which of the following would be the BEST initial therapy for this patient?

A. Cyproheptadine
B. Change antibiotic regimen
C. Dantrolene
D. Acetaminophen

Question 5# Print Question

A 58-year-old female is admitted to the ICU for a suspected infection. She is started on moxifloxacin and fluconazole. She is intubated and sedated and subsequently treated for gastroparesis with erythromycin.

Which ECG finding is MOST likely associated with this patient’s medication regimen?

A. Prolonged QRS
B. Widened QT interval
C. Prolonged PR
D. Presence of Osborn wave

Category: Critical Care Medicine-Pharmacology and Toxicology--->Toxicology and Drugs of Addiction
Page: 1 of 2