Anesthesia Hub -

10 Random Questions

Each of the following values is associated with acute tubular necrosis EXCEPT

(A) urine osmolality of 200 mOsm/L
(B) urine sodium concentration of 15 mEq/L
(C) urine specific gravity of 1.009
(D) urine/serum osmolality ratio of 1.2
(E) fractional excretion of sodium of 4%

BASIC General

An sevoflurane vaporizer is filled with isoflurane and the vaporizer dial is set at 1%. Which of the following will occur?

(A) Less than 1% isoflurane will be delivered
(B) More than 1% isoflurane will be delivered
(C) Thymol precipitation will prevent vaporization
(D) The vaporizer bypass will not open
(E) The vaporizer will be damaged

BASIC Equipment & Physics

Properly performed local anesthetic block of the celiac plexus

(A) requires that the needle tip be positioned anterior to the vertebral body of LI
(B) preserves efferent parasympathetic outflow
(C) produces urinary retention
(D) is not associated with hypotension
(E) produces truncal cutaneous hypesthesia

ADVANCED Regional & Pain

Each of the following conditions is a cause of agitation in a patient following transurethral resection of the prostate EXCEPT

(A) bladder distention
(B) glycine absorption
(C) inadequate analgesia
(D) serum sodium concentration of 127 mEq/L
(E) systolic pressure of 60 mmHg

A 40-year-old man is scheduled for emergency laparotomy for bowel obstruction. He is nauseated but has not vomited. Which of the following drugs administered intravenously preoperatively will decrease the risk for pulmonary aspiration?

(A) Atropine
(B) Droperidol
(C) Metoclopramide
(D) Ranitidine
(E) None of the above

In a patient taking a beta-adrenergic blocker, the drug most likely to produce atrioventricular junctional block is

(A) diltiazem
(B) fentanyl
(C) halothane
(D) nifedipine
(E) verapamil

BASIC Pharmacology & Pharmacokinetics

Which of the following is the greatest disadvantage of pressure-cycled ventilation?

(A) Increased I:E ratio
(B) Increased mechanical dead space
(C) Increased risk for barotrauma
(D) Variable respiratory rates
(E) Variable tidal volumes

BASIC Equipment & Physics Respiratory & Critical Care

A 5-month-old infant with tetralogy of Fallot is scheduled for elective inguinal herniorrhaphy. Which of the following would require the operation to be postponed?

(A) Current propranolol therapy
(B) Hematocrit of 65%
(C) History of "tet spells"
(D) Patent ductus arteriosus
(E) Room air oxygen saturation of 82%

ADVANCED Pediatric Cardiac

Monitoring sensory evoked potentials may be useful in detecting functional derangement of each of the following EXCEPT

(A) cranial nerve pathways during posterior fossa operations
(B) motor pathways during anterior cervical discectomy
(C) dorsal column pathways during operations for spinal tumors
(D) visual pathways during operations on the sphenoid wing
(E) cortical pathways during carotid artery operations

ADVANCED Neuro

An oxygen-driven anesthesia ventilator with a bellows that ascends during exhalation develops a small hole in the bellows. Which of the following is the most likely effect?

(A) Alveolar hyperinflation
(B) Decreased inspiratory flow rate
(C) Decreased inspired oxygen concentration
(D) Increased concentration of inhalational agent
(E) Rebreathing of exhaled gases