Anesthesia Hub -

10 Random Questions

Compared with the adult airway, the neonatal airway has which of the following characteristics?

(A) More cephalad larynx
(B) Narrowest diameter at the vocal cords
(C) Relatively smaller epiglottis
(D) Smaller tongue relative to the size of the oral cavity
(E) Vocal cords perpendicular to the trachea

ADVANCED Pediatric

Which of the following is the most likely cause of a decrease in end-tidal carbon dioxide tension during general anesthesia with a constant minute ventilation?

(A) Administration of sodium bicarbonate
(B) Intravenous administration of hypertonic glucose solution
(C) Decrease in cardiac output
(D) Decrease in fresh gas flow in a Bain circuit
(E) Malfunction of the inspiratory valve in a circle system

BASIC Respiratory & Critical Care General

The primary mechanism for pharmacologic reduction of intraoperative blood loss is

(A) decreased blood viscosity
(B) decreased cardiac output
(C) decreased venous return
(D) direct myocardial depression
(E) hypotension

In a 5-kg boy with Treacher Collins syndrome who is to undergo cleft palate repair, endotracheal intubation is best accomplished with

(A) awake nasal intubation after topical anesthesia
(B) halothane anesthesia with spontaneous ventilation
(C) light isoflurane anesthesia and a muscle relaxant
(D) thiopental and succinylcholine sequence intravenously
(E) nasal intubation after administration of ketamine intramuscularly

ADVANCED Pediatric

Each of the following is associated with an increased alveolar-arterial oxygen tension difference EXCEPT

(A) advanced age
(B) atelectasis
(C) decreased cardiac output
(D) decreased Fl02
(E) right-to-left intracardiac shunt

During anesthesia with nitrous oxide and isoflurane in a 70-kg, 25-year-old patient, airway resistance would be decreased by

(A) a decrease in lung volume
(B) insertion of a 9-mm endotracheal tube
(C) administration of atropine
(D) neuromuscular block with d-tubocurarine
(E) movement of the patient from the supine to the sitting position

BASIC General

A radial artery catheter is to be used for blood pressure measurement during a sitting craniotomy. When zeroing the transducer, which of the following describes the best levels for placement of the transducer and opening of the system to air? (Transducer, Opening to Air)

(A) Head Wrist
(B) Head Head
(C) Head Heart
(D) Heart Heart
(E) Heart Wrist

BASIC Equipment & Physics Neuro

A celiac plexus block effectively relieves pain at which of the following sites?

(A) Abdominal viscera above the pelvis
(B) Parietal peritoneum above the pelvis
(C) Pelvic parietal peritoneum
(D) Pelvic viscera
(E) Visceral pleura

A 57-year-old man has back pain, a heart rate of 90 bpm, decreased pulse in the left arm, and blood pressure of 200/110 mmHg. During infusion of nitroprusside, heart rate increases to 115 bpm and blood pressure decreases to 140/80 mmHg. The most appropriate management at this time is administration of

(A) droperidol
(B) nifedipine
(C) normal saline solution
(D) propranolol
(E) verapamil

ADVANCED General

Which of the following is the most likely cause of postural headache following spinal anesthesia?

(A) Meningeal traction
(B) Parasympathetic (vagal) block
(C) Sympathetic block-induced hypotension
(D) Transtentorial cerebral herniation
(E) Vasopressin-induced vasoconstriction