10 Random Questions
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
Reveal Answer
Which of the following findings differentiates the pickwickian syndrome from morbid obesity?
(A) Carbon dioxide retention
(B) Upper airway obstruction
(C) Decreased forced expiratory volume
(D) Increased shunt fraction
(E) Increased functional residual capacity
Reveal Answer
ADVANCED
Respiratory & Critical Care
The low fetal/maternal plasma ratio of bupivacaine compared with lidocaine is due to
(A) fetal tissue binding
(B) fetal plasma protein binding
(C) maternal plasma protein binding
(D) ionization in maternal blood
(E) ionization in fetal blood
Reveal Answer
ADVANCED
OB
Pharmacology & Pharmacokinetics
During laser excision of a vocal cord polyp, the tracheal tube ignites. Which of the following is the most appropriate next step?
(A) Continue ventilation with air
(B) Ensure patency of the endotracheal tube
(C) Extubate the trachea
(D) Flood the surgical field with saline solution
(E) Increase the concentration of nitrous oxide
Reveal Answer
ADVANCED
Equipment & Physics
General
The acute onset of hypotension without a decrease in mixed venous oxygen saturation is most likely associated with the onset of
(A) hemorrhage
(B) myocardial infarction
(C) pulmonary edema
(D) pulmonary embolus
(E) sepsis
Reveal Answer
ADVANCED
Respiratory & Critical Care
General
The human immunodeficiency virus (HIV)
(A) is inactivated by irradiation
(B) is transmitted by cryoprecipitate
(C) is transmitted by 5% albumin
(D) passes through intact dermis
(E) provokes an immediate antibody response
Reveal Answer
BASIC
General
During total cardiopulmonary bypass, metabolic acidosis and decreasing mixed venous oxygen saturation are noted. The most likely cause is
(A) hypothermia
(B) hypoperfusion
(C) hypocarbia
(D) rewarming
(E) light anesthesia
Reveal Answer
ADVANCED
Cardiac
Perception of pain from cutaneous sources involves each of the following EXCEPT
(A) frontal lobe gyri
(B) lateral spinothalamic tracts
(C) periaqueductal gray matter
(D) spinal dorsal horn lamina V
(E) unmyelinated C fibers
Reveal Answer
BASIC
Regional & Pain
An 8-kg, 5-month-old infant undergoes craniotomy for an arteriovenous malformation. During the procedure, severe hemorrhaging occurs and packed red blood cells 3 units are transfused rapidly. During infusion of the third unit, hypotension, nodal bigeminy, and prolongation of the QT interval are noted. The most appropriate management includes administration of
(A) bicarbonate
(B) calcium
(C) ephedrine
(D) lidocaine
(E) potassium
Reveal Answer
ADVANCED
Transfusions & Fluids
Pediatric
A 60-year-old obese man who has an antithrombin III deficiency is scheduled for radical prostatectomy. Prior to the operation this patient should receive
(A) fresh frozen plasma
(B) vitamin K
(C) epsilon-aminocaproic acid
(D) heparin
(E) none of the above
Reveal Answer
ADVANCED
Transfusions & Fluids
Cardiac