10 Random Questions
Which of the following muscle relaxants in an ED95 dose would have the longest duration of action in a patient with renal failure?
- (A) Atracurium
- (B) Metocurine
- (C) Pancuronium
- (D) d-Tubocurarine
- (E) Vecuronium
A 1150-g, 10-day-old infant is undergoing a bowel resection for necrotizing enterocolitis. Heart rate is 200 bpm and blood pressure measured through a femoral artery catheter is 45/24 mmHg. The most appropriate next step is administration of
- (A) calcium gluconate
- (B) epinephrine
- (C) esmolol
- (D) fentanyl
- (E) normal saline solution
In the diagram, point "X" represents a patient with severe left ventricular dysfunction. The points labeled 1, 2, and 3 each represent the results of a different therapeutic intervention. Which of the following represents the most likely intervention at each point?
- (A) 1-Dopamine, 2-Furosemide, 3-Nitroprusside
- (B) 1-Dopamine, 2-Nitroprusside, 3-Furosemide
- (C) 1-Furosemide, 2-Dopamine, 3-Nitroprusside
- (D) 1-Nitroprusside, 2-Dopamine, 3-Furosemide
- (E) 1-Nitroprusside, 2-Furosemide, 3-Dopamine
A 70-year-old man who underwent bilateral carotid endarterectomies two years ago is to undergo anesthesia and surgery. The denervation of the carotid bodies is likely to result in
- (A) chronic respiratory alkalosis
- (B) decreased ventilatory response to hypoxemia
- (C) increased ventilatory response to hypercarbia
- (D) labile hypertension
- (E) resting bradycardia
In performing a diagnostic left lumbar sympathetic block for lower extremity claudication, the tip of the needle ideally should lie at point
- (A) A
- (B) B
- (C) C
- (D) D
- (E) E
Anesthesia is induced with halothane in a 3-year-old girl. Sixty seconds after administration of succinylcholine 1 mg/kg intravenously, heart rate decreases rapidly from 120 to 60 bpm. The most likely cause is
- (A) acute hyperkalemia
- (B) failure to pretreat with a nondepolarizing relaxant
- (C) halothane overdose
- (D) muscarinic activity
- (E) sympathetic ganglionic blockade
A 19-year-old woman has severe nausea and vomiting following laparoscopy. After intramuscular administration of prochlorperazine 10 mg, she has muscle spasms in the face, neck, and tongue. Which of the following is the most appropriate management?
- (A) Baclofen
- (B) Diphenhydramine
- (C) Epinephrine
- (D) Hydrocortisone
- (E) Naloxone
The development of tachycardia is most hazardous in patients with which of the following conditions?
- (A) Aortic insufficiency
- (B) Cardiac tamponade
- (C) Mitral insufficiency
- (D) Mitral stenosis
- (E) Ventricular septal defect
Which of the following is the most appropriate drug to treat hypotension in patients with asymmetric septal hypertrophy (IHSS)?
- (A) Amrinone
- (B) Calcium chloride
- (C) Dopamine
- (D) Ephedrine
- (E) Phenylephrine
Which of the following is a cardiorespiratory effect of epidural block to a T4 sensory level?
- (A) Decreased expiratory reserve volume
- (B) Decreased tidal volume
- (C) Increased circulating catecholamine concentrations
- (D) Increased heart rate
- (E) Unchanged vital capacity