ICU Specialty Board Exam Started: Jul 12, 2026 21:02 Page 13 of 15 Attempt #937 Overall: 0 / 71 questions answered Question 61 / 71 Not answered At a primary-care follow-up visit: A patient with DKA in ICU has potassium 3.0 mmol/L before insulin. What should be done first? A. Start insulin without potassium B. Replace potassium before starting insulin C. Give bicarbonate to all patients D. Restrict all fluids E. Give loop diuretic Show Answer & Explanation Correct Answer: B Explanation: [Intensive Care] Insulin shifts potassium intracellularly; significant hypokalemia should be corrected before insulin. Reference: ADA Standards of Care in Diabetes; critical care DKA protocols. Reference: Comments & Discussion No comments yet. Be the first to comment! Your Name * Your Comment * (Max 200 chars) 200 characters remaining Post Comment Comments remaining this hour: 10/10 Question 62 / 71 Not answered At a primary-care follow-up visit: A patient has pulseless ventricular fibrillation. What is the immediate management? A. Defibrillation with high-quality CPR B. Atropine only C. Synchronized cardioversion with a pulse D. Oral aspirin E. Observation Show Answer & Explanation Correct Answer: A Explanation: [Intensive Care] Pulseless VF requires immediate defibrillation and high-quality CPR. Reference: AHA Advanced Cardiovascular Life Support Guidelines. Reference: Comments & Discussion No comments yet. Be the first to comment! Your Name * Your Comment * (Max 200 chars) 200 characters remaining Post Comment Comments remaining this hour: 10/10 Question 63 / 71 Not answered At a primary-care follow-up visit: A patient after trauma has hypotension, distended neck veins, and muffled heart sounds. What is the diagnosis? A. Tension pneumothorax only B. Neurogenic shock C. Septic shock D. Anaphylaxis E. Cardiac tamponade Show Answer & Explanation Correct Answer: E Explanation: [Intensive Care] Beck triad after trauma suggests cardiac tamponade requiring urgent decompression. Reference: ATLS 10th edition. Reference: Comments & Discussion No comments yet. Be the first to comment! Your Name * Your Comment * (Max 200 chars) 200 characters remaining Post Comment Comments remaining this hour: 10/10 Question 64 / 71 Not answered At a primary-care follow-up visit: A ventilated patient has PaO2/FiO2 90 with bilateral infiltrates not explained by cardiac failure. What ventilation strategy improves outcomes? A. Tidal volume 15 mL/kg B. No PEEP ever C. Routine hyperoxia only D. Low tidal volume ventilation about 6 mL/kg predicted body weight E. Immediate extubation Show Answer & Explanation Correct Answer: D Explanation: [Intensive Care] ARDS management includes lung-protective low tidal volume ventilation. Reference: ARDSNet; Surviving Sepsis Campaign 2021. Reference: Comments & Discussion No comments yet. Be the first to comment! Your Name * Your Comment * (Max 200 chars) 200 characters remaining Post Comment Comments remaining this hour: 10/10 Question 65 / 71 Not answered At a primary-care follow-up visit: A patient has septic shock with lactate 5 mmol/L and hypotension after fluids. What vasopressor is first-line? A. Dopamine for all patients B. Epinephrine auto-injector only C. Norepinephrine D. Phenylephrine always first E. No vasopressor Show Answer & Explanation Correct Answer: C Explanation: [Intensive Care] Norepinephrine is recommended as first-line vasopressor in septic shock. Reference: Surviving Sepsis Campaign 2021. Reference: Comments & Discussion No comments yet. Be the first to comment! Your Name * Your Comment * (Max 200 chars) 200 characters remaining Post Comment Comments remaining this hour: 10/10 Cancel « ← Previous Page 13 of 15 Next → »