10 Random Questions
A woman has weakness of the right quadriceps and a decreased knee jerk reflex on the right one day after forceps delivery under epidural anesthesia. The most likely cause is
(A) epidural hematoma
(B) intrapelvic nerve trauma
(C) lithotomy positioning
(D) reaction to the preservative in the anesthetic solution
(E) trauma from the epidural needle
Reveal Answer
ADVANCED
OB
Regional & Pain
Desflurane at a stable alveolar concentration of 7%
(A) causes bradycardia
(B) decreases cerebrovascular resistance
(C) degrades in soda lime
(D) increases systemic vascular resistance
(E) stimulates the respiratory centers
Reveal Answer
BASIC
Equipment & Physics
Pharmacology & Pharmacokinetics
Compared with similar use in adults, routine use of succinylcholine in children is hazardous because of the increased risk for which of the following?
(A) Anaphylactoid reaction
(B) Phase II blockade
(C) Pseudocholinesterase deficiency
(D) Pulmonary aspiration
(E) Undiagnosed myopathy
Reveal Answer
ADVANCED
Pharmacology & Pharmacokinetics
Pediatric
Which property of oxygen is detected by the fail-safe device on the anesthesia machine?
(A) Concentration
(B) Flow
(C) Pressure
(D) Partial pressure
(E) Reserve volume
Reveal Answer
BASIC
Equipment & Physics
Which of the following is a side effect of beta-adrenergic blockade?
(A) Cerebral vasodilation
(B) Decreased left ventricular filling pressures
(C) Hypokalemia
(D) Increased airway resistance
(E) Uterine relaxation
Reveal Answer
BASIC
Pharmacology & Pharmacokinetics
Which of the following is indicated by an alarm condition in the line-isolation monitor?
(A) An electrical shock to the patient
(B) A power surge in the main hospital power supply
(C) Disconnection of the patient from an electrocautery grounding pad
(D) Overload of the operating room circuits
(E) The presence of a current leak between an operating room electrical device and ground
Reveal Answer
BASIC
Equipment & Physics
When compared with a healthy 30-year-old man, which of the following respiratory parameters is decreased in an otherwise healthy 80-year-old man?
(A) Alveolar to arterial oxygen gradient
(B) Lung compliance
(C) Ratio of functional residual capacity to total lung capacity
(D) Resting tidal volume
(E) Ventilatory response to carbon dioxide
Reveal Answer
BASIC
Respiratory & Critical Care
Each of the following affects the induction dose of thiopental EXCEPT
(A) acute ethanol intoxication
(B) chronic use of barbiturates
(C) intravascular volume
(D) rate of hepatic extraction of thiopental
(E) serum albumin concentration
Reveal Answer
BASIC
Pharmacology & Pharmacokinetics
A 30-year-old man who is breathing spontaneously has a ventilatory pattern of sustained deep inspiration and occasional expiratory gasps during emergence from general anesthesia after posterior fossa craniotomy. Which of the following is the most likely cause?
(A) Air in the cerebral ventricles
(B) Expiratory obstruction from subglottic edema
(C) Injury to the C3-5 nerve roots
(D) Injury to the pons
(E) Residual neuromuscular paralysis
Reveal Answer
ADVANCED
Neuro
Following antagonism of a nondepolarizing muscle relaxant with neostigmine, twitch height is normal. To achieve this effect, the percentage of the acetylcholine receptor pool that must be free of muscle relaxant is
(A) 10
(B) 25
(C) 33
(D) 50
(E) 75
Reveal Answer
BASIC
Equipment & Physics
Pharmacology & Pharmacokinetics