10 Random Questions
Which of the following findings differentiates the pickwickian syndrome from morbid obesity?
(A) Carbon dioxide retention
(B) Upper airway obstruction
(C) Decreased forced expiratory volume
(D) Increased shunt fraction
(E) Increased functional residual capacity
Reveal Answer
ADVANCED
Respiratory & Critical Care
In clinical anesthesia practice, the term "informed consent" is best described as a legal concept in which patients
(A) agree to anesthesia care based on full disclosure of facts needed to make the decision intelligently
(B) are told of all possible risks of anesthesia and anesthetic procedures
(C) delegate all decisions regarding anesthesia care to the anesthesiologist
(D) release the physicians from liability
(E) sign global consent forms for surgical procedures that cover the administration of anesthesia care
Reveal Answer
BASIC
General
During Harrington rod instrumentation for scoliosis, monitoring somatosensory evoked potentials
(A) is unreliable if halothane is used
(B) eliminates the need for a wake-up test
(C) accurately assesses proprioceptive integrity
(D) accurately assesses motor function integrity
(E) is unreliable if nondepolarizing muscle relaxants are used
Reveal Answer
ADVANCED
Pediatric
Neuro
A 60-year-old obese man who has an antithrombin III deficiency is scheduled for radical prostatectomy. Prior to the operation this patient should receive
(A) fresh frozen plasma
(B) vitamin K
(C) epsilon-aminocaproic acid
(D) heparin
(E) none of the above
Reveal Answer
ADVANCED
Transfusions & Fluids
Cardiac
During active labor, 10 ml of bupivacaine 0.5% with epinephrine 1:200,000 is administered epidurally. Fifteen minutes later, maternal blood pressure is 70/50 mmHg and heart rate is 70 bpm; fetal heart rate is 90 bpm for 45 seconds, with loss of beat-to-beat variability. The most likely explanation for the fetal vital signs is
(A) fetal bupivacaine cardiotoxicity
(B) maternal bupivacaine cardiotoxicity
(C) maternal hypotension
(D) uterine artery vasoconstriction
(E) umbilical cord compression
Reveal Answer
ADVANCED
OB
Compared with adults, caudal anesthesia in children is associated with
(A) higher risk for subarachnoid puncture
(B) more severe hypotension
(C) more rapid onset of sensory block
(D) smaller volume of anesthetic per kilogram of body weight
(E) toxic effects at lower serum levels of bupivacaine
Reveal Answer
ADVANCED
Pediatric
Regional & Pain
Compared with healthy nonhypertensive patients, in patients with untreated hypertension undergoing anesthesia and operation,
(A) cerebral ischemia may occur at higher blood pressures
(B) intravenous fluid should be restricted before induction
(C) left ventricular hypertrophy enhances compensation for intraoperative fluid loss
(D) responses to sympathetic stimulation are decreased
(E) the incidence of intraoperative hypotension is lower
Reveal Answer
ADVANCED
General
Which of the following situations is most likely related to paraplegia following repair of a descending thoracic aortic aneurysm?
(A) Decreased cerebrospinal fluid pressure
(B) Epidural hematoma
(C) Hypertension proximal to the aortic cross clamp
(D) Improper placement of surgical retractors
(E) Prolonged aortic cross-clamp time
Reveal Answer
ADVANCED
General
In a patient undergoing liver transplantation, sodium bicarbonate and calcium chloride are administered immediately before reperfusion of the transplanted liver to counteract
(A) coagulopathy
(B) decreased cardiac output
(C) hyperkalemia
(D) hypermagnesemia
(E) hypotension
Reveal Answer
ADVANCED
General
Microatelectasis 48 hours after abdominal surgery is most consistently manifested by
(A) decreased PaO2
(B) ground glass infiltrate on a roentgenogram of the chest
(C) scattered fine inspiratory rales
(D) increased PaCO2
(E) scattered areas of dullness to chest percussion
Reveal Answer
BASIC
Respiratory & Critical Care