Anesthesia Hub -

10 Random Questions

Four days after subarachnoid hemorrhage and surgical clipping of a cerebral aneurysm, a patient develops cerebral artery vasospasm. Appropriate treatment includes each of the following EXCEPT

(A) administration of nimodipine
(B) controlled hypertension
(C) hemodilution to hematocrit of 33%
(D) hyperventilation to PaC02 of 25 to 30 mmHg
(E) increasing preload

Compared with adults, neonatal respiratory function is characterized by

(A) a lower ratio of dead space to tidal volume
(B) a more compliant chest wall
(C) a more positive intrapleural pressure at end-expiration
(D) less susceptibility to atelectasis
(E) the same oxygen requirement per kilogram of body weight

ADVANCED Pediatric

Each of the following affects the induction dose of thiopental EXCEPT

(A) acute ethanol intoxication
(B) chronic use of barbiturates
(C) intravascular volume
(D) rate of hepatic extraction of thiopental
(E) serum albumin concentration

BASIC Pharmacology & Pharmacokinetics

Each of the following conditions causes resistance to nondepolarizing neuromuscular blockade EXCEPT

(A) chronic severe infections
(B) major burns
(C) myotonia congenita
(D) prolonged immobilization
(E) upper motor neuron injury

BASIC Pharmacology & Pharmacokinetics

Volume-cycled flow generators are preferred over pressure-cycled ventilators in critical care units because they

(A) have a lower compression volume
(B) limit peak airway pressure
(C) maintain constant ventilatory volume with changes in lung compliance
(D) more readily compensate for gas leaks
(E) permit more accurate measurement of the patient's minute volume

Left ventricular end-diastolic volume is most likely to be underestimated by pulmonary artery occlusion pressure in patients with

(A) acute myocardial ischemia
(B) aortic insufficiency
(C) mitral stenosis
(D) primary pulmonary hypertension
(E) tricuspid stenosis

ADVANCED Cardiac

Which of the following is the most common infection transmitted through transfusion of blood products?

(A) Epstein-Barr virus
(B) Hepatitis B
(C) Hepatitis C
(D) Human immunodeficiency virus
(E) Toxoplasmosis

Administration of succinylcholine 1 mg/kg to a pregnant woman rarely causes fetal neuromuscular blockade. Which characteristic of succinylcholine best explains this phenomenon?

(A) High protein binding
(B) Ionization
(C) Lack of passive placental diffusion
(D) Lipid solubility
(E) Metabolism in the fetal liver

ADVANCED Pharmacology & Pharmacokinetics OB

During controlled ventilation, which of the following will cause an increase in end-tidal carbon dioxide tension with a normal waveform on the capnograph?

(A) Bronchospasm
(B) Rapid blood loss
(C) Ventricular fibrillation
(D) Endobronchial migration of the endotracheal tube
(E) Release of a thigh tourniquet

BASIC General

A patient suddenly makes a respiratory effort during craniotomy for clipping of a cerebral aneurysm in a 15-degree head-up position with controlled ventilation. The most likely cause is

(A) air embolism
(B) cerebral hypoxia
(C) direct stimulation of the respiratory center
(D) intraventricular hemorrhage
(E) stimulation of the motor cortex

ADVANCED Neuro