10 Random Questions
Which of the following is the most likely cause of postural headache following spinal anesthesia?
- (A) Meningeal traction
- (B) Parasympathetic (vagal) block
- (C) Sympathetic block-induced hypotension
- (D) Transtentorial cerebral herniation
- (E) Vasopressin-induced vasoconstriction
A 33-year-old primigravid woman with myasthenia gravis, well-controlled with pyridostigmine, is in labor with the cervix dilated 7 cm. She has a headache and feels very nervous. Blood pressure is 160/115 mmHg, she has 3+ pitting edema, and urinalysis shows 4+ protein. Appropriate management of her labor should include
- (A) lumbar epidural block with bupivacaine 8 ml of 0.5% solution
- (B) chlorpromazine 2.5 mg administered intravenously
- (C) avoidance of narcotics
- (D) lumbar epidural block with 2-chloroprocaine 8 ml of 3% solution
- (E) chlorpromazine 10 mg administered intramuscularly
A patient is anesthetized using an inhaled anesthetic with a blood/gas partition coefficient of 13.0. Recovery time depends primarily on
- (A) oil/gas solubility of the drug
- (B) cardiac output
- (C) tidal volume
- (D) duration of administration
- (E) MAC of the drug
The twitch responses shown are from a healthy 80-kg patient anesthetized with fentanyl and nitrous oxide. Relaxant drugs X and Y are most likely
- (A) X: atracurium 30 mg, Y: vecuronium 4 mg
- (B) X: atracurium 30 mg, Y: vecuronium 8 mg
- (C) X: pancuronium 4 mg, Y: pancuronium 8 mg
- (D) X: vecuronium 4 mg, Y: atracurium 30 mg
- (E) X: vecuronium 4 mg, Y: pancuronium 8 mg
Which of the following is the best initial treatment of anaphylaxis that occurs during general anesthesia?
- (A) Diphenhydramine
- (B) Dopamine
- (C) Epinephrine
- (D) Hydrocortisone
- (E) Ranitidine
Which of the following statements best describes the decrease in cerebral metabolic rate that occurs with administration of volatile anesthetics?
- (A) It is independent of anesthetic dose
- (B) It is maximal when the EEG is isoelectric
- (C) It is more profound with halothane than isoflurane at equipotent doses
- (D) It is not affected by enflurane-induced EEG hyperactivity
- (E) It parallels changes in cerebral blood flow at mean arterial pressures of 50 to 150 mmHg
Normal pregnancy is associated with a decrease in each of the following EXCEPT
- (A) expiratory reserve volume
- (B) FEV1/FVC ratio
- (C) functional residual capacity
- (D) thoracic compliance
- (E) vital capacity
A successful ankle block for transmetatarsal amputation of the first and second toes should include each of the following nerves EXCEPT the
- (A) saphenous
- (B) deep peroneal
- (C) superficial peroneal
- (D) sural
- (E) tibial
The last muscle to be affected by an interscalene brachial plexus block is the
- (A) brachialis
- (B) brachioradialis
- (C) biceps
- (D) flexor carpi radialis
- (E) interosseous
An obese patient and a lean patient receive halothane for the same duration and at the same inspired tension. Postoperatively, the obese patient would demonstrate
- (A) higher serum creatinine concentration
- (B) higher serum fluoride concentration
- (C) lower eosinophil count
- (D) lower serum alkaline phosphate activity
- (E) lower serum bromide concentration