Anesthesia Hub -

10 Random Questions

Which of the following drugs increases cerebral blood flow while decreasing cerebral metabolic rate?

(A) Etomidate
(B) Fentanyl
(C) Isoflurane
(D) Lidocaine
(E) Midazolam

BASIC Pharmacology & Pharmacokinetics Neuro

The adult oxyhemoglobin dissociation curve will resemble that of the fetus in the presence of

(A) increased 2,3-diphosphoglycerate concentration
(B) chronic anemia
(C) hyperthermia
(D) metabolic alkalemia
(E) hyperkalemia

ADVANCED Respiratory & Critical Care Pediatric

Each of the following conditions is associated with upregulation of the acetylcholine receptor at the neuromuscular junction EXCEPT

(A) burn injuries
(B) myasthenia gravis
(C) prolonged bed rest
(D) prolonged use of neuromuscular relaxants
(E) upper motor neuron injury

BASIC Pharmacology & Pharmacokinetics

In a 65-year-old man, which of the following findings on preoperative pulmonary function testing is associated with the highest risk for respiratory insufficiency following pneumonectomy?

(A) Maximum voluntary ventilation at 65% of predicted
(B) Mean pulmonary artery pressure of 28 mmHg
(C) Predicted postoperative forced expiratory volume in one second (FEV1) of 800 ml
(D) Residual volume to total lung capacity (RV/TLC) ratio of 0.35
(E) Vital capacity of 3 liters

ADVANCED Respiratory & Critical Care

Which of the following vaporizer filling errors is most likely to result in inadvertent anesthetic overdose?

(A) Sevoflurane in a halothane vaporizer
(B) Sevoflurane in an isoflurane vaporizer
(C) Halothane in an sevoflurane vaporizer
(D) Halothane in an isoflurane vaporizer
(E) Isoflurane in an sevoflurane vaporizer

BASIC Equipment & Physics

A 6-year-old child with severe cerebral palsy is scheduled for general anesthesia. He is at increased risk for each of the following EXCEPT

(A) gastroesophageal reflux
(B) hypersensitivity to central nervous system depressants
(C) poor function of laryngeal reflexes
(D) postoperative pulmonary complications
(E) succinylcholine-induced hyperkalemia

ADVANCED Pediatric

A 25-year-old man with known rheumatic heart disease is being evaluated in the critical care unit. Despite decreasing cardiac output, mixed venous blood from a pulmonary artery catheter shows an increase in Sv02. Which of the following is the most likely cause?

(A) Decreasing hematocrit
(B) Hypothermia to 35°C
(C) Metabolic alkalosis
(D) Mitral regurgitation
(E) Wedging of the catheter

Following enflurane anesthesia, serum free fluoride concentration is most likely to be increased in association with long-term use of

(A) diazepam
(B) ethanol
(C) isoniazid
(D) phenobarbital
(E) phenytoin

BASIC Pharmacology & Pharmacokinetics

During induction of anesthesia for cesarean delivery, pancuronium is inadvertently substituted for succinylcholine. The neonate shows no clinical signs of muscle relaxation because pancuronium is

(A) highly ionized
(B) highly protein bound
(C) a large molecule
(D) lipid soluble
(E) unaffected by "ion trapping"

BASIC Pharmacology & Pharmacokinetics

Which of the following statements concerning pressure support ventilation is true?

(A) Continuous positive airway pressure is provided during inspiration and expiration
(B) Delivered tidal volume remains the same with decreasing lung compliance
(C) Inspiratory effort less than -2 cmH20 is not assisted
(D) The overall work of breathing decreases when weaning from mechanical ventilation
(E) The patient will need more sedation than during intermittent mandatory ventilation