Anesthesia Hub -

10 Random Questions

Preoperative evaluation of a patient who has marked malnutrition will demonstrate each of the following EXCEPT

(A) decreased respiratory muscle function
(B) decreased serum albumin concentration
(C) decreased metabolic rate
(D) suppressed immune function
(E) decreased extracellular fluid volume

To eliminate all pain during the second stage of labor, a lumbar epidural block must extend from

(A) T6 to LI
(B) T10 to LI
(C) T10 to SI
(D) T10 to S4
(E) LI to S5

Which of the following neurophysiologic monitoring modalities is LEAST affected by administration of volatile anesthetic agents?

(A) Brain stem auditory evoked potentials
(B) Electroencephalogram
(C) Motor evoked potentials
(D) Somatosensory evoked potentials
(E) Visual evoked potentials

BASIC Equipment & Physics

During transurethral resection of the prostate under spinal anesthesia with a sensory level to T10, a patient has sudden onset of sharp upper abdominal pain and nausea. Arterial blood pressure increases from 120/80 to 150/90 mmHg; the patient becomes diaphoretic. Which of the following is the most likely diagnosis?

(A) Bladder perforation
(B) Hemolysis
(C) Hypervolemia
(D) Hyponatremia
(E) Myocardial ischemia

ADVANCED General

A 69-year-old man is confused and agitated one hour after preoperative intramuscular administration of scopolamine for awake fiberoptic laryngoscopy. SpO2 measured by pulse oximetry is 97%. Which of the following drugs is most appropriate for treatment of the change in mental status?

(A) Fentanyl
(B) Flumazenil
(C) Midazolam
(D) Neostigmine
(E) Physostigmine

BASIC Pharmacology & Pharmacokinetics

Which of the following is the most effective treatment of shivering following general anesthesia?

(A) Administration of droperidol
(B) Administration of morphine
(C) Administration of midazolam
(D) Administration of warm intravenous fluids
(E) Skin-surface warming

BASIC General

The effect of succinylcholine is terminated at postsynaptic effector cells by

(A) binding and uptake by effector cells
(B) diffusion into capillaries
(C) hydrolysis by junctional cholinesterase
(D) hydrolysis by pseudocholinesterase
(E) spontaneous degradation to succinylmonocholine

BASIC Pharmacology & Pharmacokinetics

A patient has an anterior neck injury, hoarseness, labored respirations, subcutaneous emphysema, and laryngeal crepitus following a motor vehicle accident. Which of the following is the best method of securing the airway in this situation?

(A) Blind nasotracheal intubation
(B) Lightwand intubation
(C) Retrograde wire-guided intubation
(D) Tracheostomy
(E) Transtracheal jet ventilation

Which of the following results in decreased mixed venous oxygen saturation?

(A) Cardiogenic shock
(B) Decreased metabolic rate
(C) Increased cardiac output
(D) Left-to-right intracardiac shunt
(E) Pulmonary vasodilation

BASIC Respiratory & Critical Care General

Halothane

(A) has no effect on reflex hypoxic pulmonary vasoconstriction
(B) protects the myocardium from beta-adrenergic stimulation
(C) has a direct, negative chronotropic effect on the sinoatrial node
(D) metabolites decrease renal concentrating ability
(E) is unsafe for use with epinephrine-containing local anesthetics

BASIC Pharmacology & Pharmacokinetics