10 Random Questions
Positive end-expiratory pressure is effective for treatment of hypoxia resulting from each of the following EXCEPT
(A) cardiogenic pulmonary edema
(B) intraoperative Trendelenburg position
(C) lateral position during total hip replacement
(D) lung contusion
(E) status asthmaticus
Reveal Answer
BASIC
Respiratory & Critical Care
An 18-month-old child with tetralogy of Fallot is anesthetized with halothane and nitrous oxide. Following intubation, oxygen saturation decreases abruptly from 85% to 45%. The most effective treatment is
(A) discontinuation of halothane
(B) hyperventilation
(C) intravenous epinephrine
(D) intravenous phenylephrine
(E) positive end-expiratory pressure
Reveal Answer
ADVANCED
Pediatric
Cardiac
Which of the following is an effect of ketorolac administered after vaginal hysterectomy?
(A) Euphoria
(B) Prolonged prothrombin time
(C) Respiratory depression
(D) Suppression of inflammation
(E) Thrombocytopenia
Reveal Answer
BASIC
Pharmacology & Pharmacokinetics
The EEG begins to flatten during carotid endarterectomy when regional cerebral blood flow (in ml/min/100 g brain) decreases to
(A) 55
(B) 45
(C) 30
(D) 20
(E) 10
Reveal Answer
ADVANCED
Neuro
The vapor pressure of a volatile anesthetic depends on
(A) temperature only
(B) ambient pressure only
(C) temperature and ambient pressure
(D) pressure and volume of the system
(E) none of the above
Reveal Answer
BASIC
Equipment & Physics
Which of the following factors is the LEAST important determinant of postdural puncture headache?
(A) Age of the patient
(B) Gauge of the spinal needle
(C) Gender of the patient
(D) Pregnancy
(E) Time until ambulation
Reveal Answer
ADVANCED
OB
Regional & Pain
In patients homozygous for atypical pseudocholinesterase, which of the following best explains the prolonged action of succinylcholine?
(A) An increased proportion of the dose reaches the neuromuscular junction
(B) Diffusion away from the neuromuscular junction is slowed
(C) Hepatic clearance of succinylcholine is decreased
(D) Prejunctional activity is unopposed
(E) Succinylmonocholine induces neuromuscular block
Reveal Answer
In the majority of cases, fetal heart rate decelerations in a variable pattern are associated with
(A) decreased uteroplacental perfusion
(B) fetal head compression during contractions
(C) umbilical cord compression
(D) low Apgar scores at birth
(E) low neurobehavioral scores eight hours post partum
Reveal Answer
ADVANCED
OB
Which of the following statements concerning the choice of nitroprusside or nitroglycerin to induce deliberate hypotension is true?
(A) Nitroglycerin is more potent
(B) Nitroglycerin produces hypotension by acting on both arterial and venous capacitance vessels
(C) Nitroprusside produces less rebound hypertension on discontinuation
(D) The toxic effects of nitroprusside are independent of dose
(E) The therapeutic effects of nitroprusside may persist on discontinuation
Reveal Answer
Which of the following statements concerning the metabolism of atracurium is true?
(A) It is related to cardiac output
(B) It is decreased by hyperthermia
(C) It is unaffected by increasing age
(D) It is decreased by low plasma cholinesterase activity
(E) It is decreased in renal failure
Reveal Answer
BASIC
Pharmacology & Pharmacokinetics