10 Random Questions
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 is an effect of nitrous oxide?
(A) Decreased pulmonary vascular resistance
(B) Depression of uterine contractility
(C) Inhibition of methionine synthetase
(D) Stimulation of lymphocyte chemotaxis
(E) Stimulation of myocardial contractility
Reveal Answer
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
Reveal Answer
ADVANCED
Respiratory & Critical Care
Normal pseudocholinesterase
(A) is highly concentrated at the motor end-plate
(B) hydrolyzes succinylcholine by Hofmann elimination
(C) is produced primarily at nerve terminals
(D) is antagonized by acetylcholinesterase inhibitors
(E) resists dibucaine inhibition more than its atypical variant
Reveal Answer
BASIC
Pharmacology & Pharmacokinetics
Which of the following physiologic changes occurs with immersion in water during extracorporeal shock wave lithotripsy?
(A) Decreased cardiac output
(B) Decreased central venous pressure
(C) Increased expiratory reserve volume
(D) Increased functional residual capacity
(E) Increased stroke volume
Reveal Answer
ADVANCED
General
A 65-year-old man has a history of alcohol abuse. Which of the following preoperative serum concentrations would provide the best assessment of synthetic hepatic function?
(A) Albumin
(B) Alkaline phosphatase
(C) Bilirubin
(D) Globulin
(E) Transaminases
Reveal Answer
BASIC
General
Each of the following factors decreases uterine blood flow EXCEPT
(A) aortocaval compression
(B) hypocarbia
(C) hypoxia
(D) sympathetic block
(E) uterine contractions
Reveal Answer
ADVANCED
OB
The most beneficial effect of continuous positive airway pressure in a newborn with respiratory distress syndrome is
(A) increased functional residual capacity
(B) decreased airway resistance
(C) promotion of surfactant formation
(D) increased alveolar PO2
(E) maintenance of functional closure of the foramen ovale
Reveal Answer
ADVANCED
Pediatric
Each of the following is a recognized complication during a transurethral resection for which glycine is used as an irrigant EXCEPT
(A) disseminated intravascular coagulopathy
(B) hemolysis
(C) hyperammonemia
(D) shoulder pain
(E) transient blindness
Reveal Answer
ADVANCED
Pharmacology & Pharmacokinetics
General
Which of the following is most likely to occur during mediastinoscopy?
(A) Chylothorax
(B) Compression of the innominate artery
(C) Injury to the superior laryngeal nerve
(D) Tracheal tear
(E) Venous air embolism
Reveal Answer