Anesthesia Hub -

10 Random Questions

A patient has pain in the left thoracic wall associated with metastatic rib lesions. An intrathecal neurolytic block with 6% phenol in glycerin is planned for pain relief. Prior to performing the block, the patient should be placed in which of the following positions?

(A) Left lateral semisupine
(B) Right lateral semisupine
(C) Left lateral semiprone
(D) Right lateral semiprone
(E) Prone

ADVANCED Regional & Pain

Which of the following factors is LEAST predictive of postoperative cardiac complications?

(A) Congestive heart failure
(B) Major vascular surgery
(C) Premature ventricular contractions
(D) Preoperative hypertension
(E) Recent myocardial infarction

BASIC General

Fentanyl-induced bradycardia is

(A) independent of the speed of injection
(B) independent of dose
(C) caused by direct inhibition of adrenal catecholamine release
(D) caused by vagal stimulation
(E) caused by direct SA node depression

BASIC Pharmacology & Pharmacokinetics

Measurement of blood pressure with a Doppler device involves

(A) reflection of ultrasound waves off blood elements
(B) detection of oscillations in cuff pressure
(C) amplification of Korotkoff sounds with a miniature microphone
(D) transillumination with a near infrared light
(E) detection of variations in blood vessel diameter

BASIC Equipment & Physics

Each of the following changes is expected with deliberate hypothermia EXCEPT

(A) decreased unloading of oxygen from hemoglobin
(B) a 5% decrease in MAC for each 1°C decrease in temperature
(C) increased arterial oxygen and carbon dioxide contents
(D) a 50% decrease in cerebral metabolic rate at 28°C
(E) spike and dome EEG activity at temperatures below 30°C

BASIC General Cardiac

Which of the following anesthetic techniques is most appropriate for a woman in the second stage of labor?

(A) Epidural opioids
(B) Local infiltration of the perineum
(C) Lumbar sympathetic block
(D) Paracervical nerve block
(E) Pudendal nerve block

ADVANCED OB Regional & Pain

The gauge pressure on a cylinder of nitrous oxide

(A) varies with the size of the cylinder
(B) is the same for full and half-full cylinders
(C) is the same as that of a full cylinder of oxygen if both are full
(D) is independent of the temperature of the cylinder
(E) reliably indicates the amount of nitrous oxide in the cylinder

BASIC Equipment & Physics

Compared with healthy persons, patients with myasthenic (Eaton-Lambert) syndrome have increased

(A) resistance to vecuronium
(B) response to neostigmine during reversal of muscle paralysis
(C) sensitivity to succinylcholine
(D) susceptibility to development of malignant hyperthermia
(E) weakness with repetitive activity

Five minutes after initiating one-lung ventilation using a double-lumen endobronchial tube, a 70-year-old patient has a decrease in Sp02 from 99% to 90%. Tidal volume and respiratory rate are unchanged. Fiberoptic bronchoscopy verifies appropriate positioning of the tube. Which of the following is the most likely cause of the desaturation?

(A) Blood flow to the nondependent lung
(B) Failure of hypoxic pulmonary vasoconstriction in the dependent lung
(C) Inadequate filling of the bronchial cuff
(D) Inadequate minute ventilation
(E) Surgical manipulation of the nondependent lung

ADVANCED General Respiratory & Critical Care

A 70-kg, 50-year-old man is scheduled for muscle flap closure of a decubitus ulcer over the sacrum. He has been quadriplegic at the level of C6-7 for six years. Which of the following is most likely to result from subarachnoid anesthesia with tetracaine 10 mg for this procedure?

(A) Atrioventricular block
(B) Decreased risk for autonomic dysreflexia
(C) Impaired expiratory muscle function
(D) Impaired inspiratory muscle function
(E) Inadequate block of spastic movements

ADVANCED General Regional & Pain