Anesthesia Hub -

10 Random Questions

Inhalation induction of anesthesia is more rapid in a 6-month-old infant than in an adult because infants have

(A) greater ratio of alveolar ventilation to functional residual capacity
(B) greater ratio of blood volume to body weight
(C) greater solubility of anesthetic in blood
(D) lower anesthetic requirement
(E) lower distribution of cardiac output to vessel-rich organs

ADVANCED Pharmacology & Pharmacokinetics Pediatric

The syndrome of inappropriate ADH secretion is characterized by

(A) ADH secretion unrelated to serum osmolality
(B) decreased ADH secretion in response to hypovolemia
(C) highly dilute urine
(D) hypernatremia
(E) negative water balance

ADVANCED General

Following a right lower lobectomy, a patient develops a bronchopleural fistula and becomes hypoxic. He is orally intubated and mechanically ventilated with pure oxygen. PaO2 is 65 mmHg, PaCO2 is 70 mmHg, and pH is 7.25. Which of the following will produce the most favorable change in the blood gases?

(A) Increasing ventilatory frequency
(B) Increasing suction on the chest tube
(C) Applying 10 cmH2O positive end-expiratory pressure
(D) Using a double-lumen tube for differential ventilation
(E) Starting negative-pressure ventilation

ADVANCED Respiratory & Critical Care General

Numbness and tingling on the lateral aspect of the thigh 24 hours after uneventful vaginal delivery is most likely a complication of

(A) forceps delivery
(B) lithotomy position
(C) pudendal nerve block
(D) lumbar epidural anesthesia
(E) spinal anesthesia

ADVANCED OB

A 26-year-old woman has persistent uterine bleeding following a normal spontaneous delivery without anesthesia. The uterus is firm on manual examination. Which of the following anesthetics is most appropriate for manual extraction of the placenta?

(A) Halothane
(B) Pudendal block with lidocaine
(C) Subarachnoid tetracaine
(D) Thiopental
(E) Vecuronium

A patient has severe pain after total knee arthroplasty. Systemic opioids are most likely to modify the pain through action at which of the following sites?

(A) Corpus callosum
(B) Hippocampus
(C) Substantia gelatinosa
(D) Substantia nigra
(E) Ventral horn of the spinal cord

BASIC Pharmacology & Pharmacokinetics

Which of the following drugs has the shortest elimination half-life?

(A) Diazepam
(B) Flumazenil
(C) Flumazepam
(D) Lorazepam
(E) Midazolam

BASIC Pharmacology & Pharmacokinetics

An elderly man has an acute dissection of the descending thoracic aorta. Which of the following antihypertensive therapies is most likely to extend the dissection?

(A) Esmolol infusion
(B) Nitroglycerin infusion
(C) Nitroprusside infusion
(D) Nitroprusside infusion combined with a beta-adrenergic blocker
(E) Trimethaphan infusion

ADVANCED General

During nitrous oxide anesthesia, which of the following expands most rapidly?

(A) Air bubble in the blood
(B) Air in the intestine
(C) Endotracheal tube cuff
(D) Pneumothorax
(E) Sulfahexafluoride bubble in the vitreal cavity

BASIC Pharmacology & Pharmacokinetics

Which of the following statements concerning anesthesia machine flowmeters is true?

(A) At high gas flows, viscosity is the predominant determinant of flow rate
(B) At low flow rates, gas density is the predominant determinant of flow rate
(C) Flowmeters should be upstream from the oxygen fail-safe device
(D) The oxygen flowmeter should be upstream from other flowmeters
(E) Tapered flow tubes allow a constant decrease in pressure across the float

BASIC Equipment & Physics