10 Random Questions
Which of the following statements concerning awareness (recall) during opioid anesthesia is true?
(A) It is usually not associated with pain
(B) It correlates well with intact auditory evoked responses
(C) It is prevented if the dose of opioid blocks the hemodynamic response to stimuli
(D) It is prevented if the dose of opioid is adequate to prevent movement without muscle relaxants
(E) It is predicted by a specific EEG pattern
Reveal Answer
BASIC
General
Which of the following is the most sensitive indicator of impending renal failure following trauma?
(A) Central venous pressure
(B) Creatinine clearance
(C) Fractional excretion of sodium
(D) Hourly urine output
(E) Urine osmolality
Reveal Answer
ADVANCED
General
The most likely cause of a fetal heart rate pattern of variable decelerations to 90 bpm is
(A) aortocaval compression
(B) compression of the fetal head
(C) fetal acidosis
(D) maternal hypotension
(E) umbilical cord compression
Reveal Answer
ADVANCED
OB
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
The principal rationale for the use of warmed humidified inspired anesthetic gases in children is to
(A) decrease postoperative respiratory complications
(B) decrease postoperative shivering
(C) preserve ciliary function
(D) prevent dehydration
(E) prevent evaporative heat loss
Reveal Answer
ADVANCED
Equipment & Physics
Pediatric
Left ventricular end-diastolic volume is most likely to be underestimated by pulmonary artery occlusion pressure in patients with
(A) acute myocardial ischemia
(B) aortic insufficiency
(C) mitral stenosis
(D) primary pulmonary hypertension
(E) tricuspid stenosis
Reveal Answer
BASIC
Cardiac
During axillary brachial plexus anesthesia, motor block frequently precedes sensory block because of
(A) conduction velocity of motor fibers
(B) myelination of motor fibers
(C) size of motor fibers
(D) presence of septa between motor fibers
(E) peripheral location of motor fibers in the nerve bundle
Reveal Answer
ADVANCED
Regional & Pain
A 32-year-old woman is anesthetized for suboccipital craniotomy. During positioning, the capnograph shows an abrupt decrease in the slope of the expiratory upstroke. Which of the following is the most likely cause?
(A) Air embolism
(B) Incompetent expiratory valve
(C) Incomplete neuromuscular block
(D) Kinked endotracheal tube
(E) Tracheal extubation
Reveal Answer
ADVANCED
Equipment & Physics
Neuro
The condition LEAST likely to be associated with sustained pain relief following a nerve block is
(A) causalgia
(B) myofascial pain
(C) diabetic neuropathy
(D) acute herpes zoster
(E) reflex sympathetic dystrophy
Reveal Answer
ADVANCED
Regional & Pain
Inhalation induction of anesthesia is more rapid in a 6-month-old infant than in an adult because infants have
(A) greater ratio of alveolar ventilation to functional residual capacity
(B) greater ratio of blood volume to body weight
(C) greater solubility of anesthetic in blood
(D) lower anesthetic requirement
(E) lower distribution of cardiac output to vessel-rich organs
Reveal Answer
ADVANCED
Pharmacology & Pharmacokinetics
Pediatric