10 Random Questions
The drug that causes dose-dependent EEG evidence of both central nervous system excitation and depression is
(A) lidocaine
(B) halothane
(C) thiopental
(D) nitrous oxide
(E) midazolam
Reveal Answer
BASIC
Pharmacology & Pharmacokinetics
In the majority of cases, fetal heart rate decelerations in a variable pattern are associated with
(A) decreased uteroplacental perfusion
(B) fetal head compression during contractions
(C) umbilical cord compression
(D) low Apgar scores at birth
(E) low neurobehavioral scores eight hours post partum
Reveal Answer
ADVANCED
OB
Administration of magnesium sulfate for treatment of preeclampsia results in a decreased dose requirement for each of the following drugs EXCEPT
(A) bupivacaine
(B) halothane
(C) midazolam
(D) succinylcholine
(E) vecuronium
Reveal Answer
ADVANCED
OB
The condition LEAST likely to be associated with sustained pain relief following a nerve block is
(A) causalgia
(B) myofascial pain
(C) diabetic neuropathy
(D) acute herpes zoster
(E) reflex sympathetic dystrophy
Reveal Answer
ADVANCED
Regional & Pain
Systemic hypothermia to 30°C is accompanied by
(A) a shift to the right of the oxyhemoglobin dissociation curve
(B) a decrease in carbon dioxide dissolved in plasma
(C) a decrease in the glomerular filtration rate
(D) an increase in MAC of volatile inhalation agents
(E) low-voltage, high-frequency EEG pattern
Reveal Answer
In a patient with a history of grand mal seizures, which of the following is most useful in distinguishing a seizure from normal anesthetic emergence?
(A) Mydriasis
(B) Myoclonic activity
(C) Nystagmus
(D) Positive Babinski sign
(E) None of the above
Reveal Answer
Which of the following is most likely to increase hepatic blood flow during general anesthesia?
(A) Addition of positive end-expiratory pressure
(B) Discontinuation of isoflurane and administration of enflurane
(C) Increased PaCO2
(D) Moderate controlled hypotension
(E) Subarachnoid administration of morphine
Reveal Answer
BASIC
General
A 50-year-old man with an 80 pack-year history of cigarette smoking has a forced expiratory volume in one second of 1.5 L and a forced vital capacity of 3.5 L. Which of the following statements concerning intraoperative anesthetic management is true?
(A) An I:E ratio of 1:1 will improve carbon dioxide removal more than an I:E ratio of 1:2.5
(B) Antagonism of neuromuscular block will most likely trigger acute bronchospasm
(C) Functional residual capacity will increase during an acute exacerbation of bronchospasm
(D) Induction with ketamine will increase airway resistance
(E) Nitrous oxide is contraindicated
Reveal Answer
BASIC
Respiratory & Critical Care
Which of the following statements best describes the decrease in functional residual capacity that accompanies the induction of general anesthesia?
(A) It does not change compliance
(B) It is greater with spontaneous ventilation than with controlled ventilation
(C) It is independent of body position
(D) It is not corrected by application of positive end-expiratory pressure
(E) It occurs within the first 10 minutes of anesthesia
Reveal Answer
BASIC
Respiratory & Critical Care
General
During insertion of a Harrington rod with deliberate hypotension for correction of spinal scoliosis, accurate interpretation of somatosensory evoked potentials requires
(A) core temperature greater than 35∞C
(B) hematocrit of at least 25%
(C) mean arterial pressure greater than 70 mmHg
(D) P02 of at least 80 mmHg
(E) reversal of neuromuscular block
Reveal Answer