10 Random Questions
Which of the following drugs has the shortest elimination half-life?
(A) Diazepam
(B) Flumazenil
(C) Flumazepam
(D) Lorazepam
(E) Midazolam
Reveal Answer
BASIC
Pharmacology & Pharmacokinetics
The low fetal/maternal plasma ratio of bupivacaine compared with lidocaine is due to
(A) fetal tissue binding
(B) fetal plasma protein binding
(C) maternal plasma protein binding
(D) ionization in maternal blood
(E) ionization in fetal blood
Reveal Answer
ADVANCED
OB
Pharmacology & Pharmacokinetics
Three hours after total thyroidectomy, a 33-year-old man develops inspiratory stridor. The most likely cause is
(A) hematoma formation
(B) tracheomalacia
(C) tetany
(D) recurrent laryngeal nerve injury
(E) superior laryngeal nerve injury
Reveal Answer
During axillary brachial plexus anesthesia, motor block frequently precedes sensory block because of
(A) conduction velocity of motor fibers
(B) myelination of motor fibers
(C) size of motor fibers
(D) presence of septa between motor fibers
(E) peripheral location of motor fibers in the nerve bundle
Reveal Answer
ADVANCED
Regional & Pain
Assignment of a patient to an ASA physical status category is used to
(A) facilitate comparisons among different patient groups and institutions
(B) guide the choice of anesthetic technique
(C) permit accurate determination of charges for professional services
(D) predict anesthetic risk
(E) predict perioperative mortality
Reveal Answer
BASIC
General
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
Reveal Answer
ADVANCED
Pediatric
Administration of 200 mEq of sodium bicarbonate during cardiopulmonary resuscitation is associated with
(A) CSF alkalosis
(B) hypercalcemia
(C) hypercarbia
(D) hyperkalemia
(E) shift of the oxyhemoglobin dissociation curve to the right
Reveal Answer
BASIC
General
Which of the following conditions is a contraindication to the use of succinylcholine?
(A) Burns of 50% body surface area occurring 12 hours ago
(B) Cirrhosis
(C) Myotonic dystrophy
(D) Seizure disorder
(E) Spinal cord transection within the past six hours
Reveal Answer
ADVANCED
Pharmacology & Pharmacokinetics
A waste-gas scavenger has an active disposal system. Which of the following safety features is necessary to prevent removal of excess gas from the breathing circuit?
(A) Positive-pressure relief mechanism
(B) Negative-pressure relief mechanism
(C) Low-volume scavenging reservoir
(D) High-volume scavenging reservoir
(E) Maximum vacuum flow rate of 5 L/min
Reveal Answer
BASIC
Equipment & Physics
Which of the following is a sign of cyclosporine toxicity?
(A) Abnormal hepatic enzyme activity
(B) Decreased hemoglobin concentration
(C) Increased serum creatinine concentration
(D) Nodular density on radiograph of the chest
(E) ST-T wave changes on ECG
Reveal Answer
BASIC
Pharmacology & Pharmacokinetics