Anesthesia Hub -

10 Random Questions

Which of the following is the primary physiologic response in a neonate exposed to a hypothermic environment?

(A) Hyperventilation
(B) Increased 2,3-DPG concentration in erythrocytes
(C) Metabolism of brown fat
(D) Shivering
(E) Vasoconstriction

ADVANCED Pediatric

Which of the following drugs increases gastric pH while decreasing gastric volume?

(A) Glycopyrrolate
(B) Magnesium trisilicate
(C) Metoclopramide
(D) Ranitidine
(E) Sodium citrate

Addition of 20 cmH2O positive end-expiratory pressure to a patient receiving controlled mechanical ventilation decreases cardiac output and left ventricular function by

(A) increasing right ventricular preload
(B) increasing right ventricular afterload
(C) increasing left ventricular preload
(D) increasing left ventricular afterload
(E) producing myocardial ischemia

BASIC Respiratory & Critical Care General Cardiac

A healthy 60-kg 52-year-old woman undergoing reduction mammoplasty is anesthetized with isoflurane and oxygen, and deliberate hypotension to 80/40 mmHg is induced with nitroprusside. Urine output through an indwelling urethral catheter has been 10 mL during the past hour. You should now

(A) administer furosemide 40 mg intravenously
(B) infuse normal saline solution until urine output reaches 35 mL/hr
(C) administer dopamine at 3 mcg/kg/min
(D) expect normal urine flow with restoration of normal blood pressure
(E) discontinue nitroprusside administration

BASIC General

Which of the following is the most common cause of peroneal nerve damage?

(A) Crossed legs in the supine position
(B) Lateral decubitus position
(C) Prone position
(D) Reverse Trendelenburg position
(E) Improper placement of a pelvic retractor

In a patient who is receiving nitroglycerin intravenously after a coronary artery operation, peripheral oxygen saturation is 85% and PaO2 is 200 mmHg. The most appropriate management is administration of

(A) exchange transfusion
(B) hydroxocobalamin
(C) methylene blue
(D) pure oxygen at 3 atmospheres
(E) thiocyanate

ADVANCED Pharmacology & Pharmacokinetics

A 26-year-old woman has headache, nausea, and photophobia 36 hours after cesarean delivery for chorioamnionitis using subarachnoid block. Temperature is 38.8°C and leukocyte count is 14,200/mm3. Which of the following is the most appropriate next step in management?

(A) Oral ibuprofen
(B) Intravenous caffeine sodium benzoate
(C) Intravenous hydration
(D) Epidural blood patch
(E) Diagnostic lumbar puncture

ADVANCED OB

Which of the following features is characteristic of the airway in a neonate?

(A) Glottis that is located at the level of the C6 vertebral body
(B) Larger tongue relative to the head than in an adult
(C) Laryngeal mucosa that is densely adherent to the cartilages
(D) More posterior glottis than that of an adult
(E) Narrowest portion of the airway that is located at the arytenoid cartilages

ADVANCED Pediatric

A 32-year-old patient with end-stage renal failure has irreversible neuromuscular blockade two hours after tracheal intubation with a muscle relaxant. Which of the following is the most likely cause?

(A) Atracurium
(B) Doxacurium
(C) Mivacurium
(D) Pancuronium
(E) Vecuronium

BASIC Pharmacology & Pharmacokinetics

An anesthesia machine is set to deliver oxygen 2 L/min, nitrous oxide 2 L/min, and sevoflurane. After 30 minutes of stable anesthesia, which of the following, is the most likely cause of a decrease in the oxygen analyzer reading from 50% to 30%?

(A) A leak in the ventilator bellows
(B) Accumulation of water on the oxygen sensor membrane
(C) Calibration at 100% oxygen using less than 100% oxygen
(D) Disconnection of the wall oxygen hose
(E) Presence of the oxygen analyzer in the expiratory limb

BASIC Equipment & Physics