10 Random Questions
Which of the following is the most reliable indicator of adequate reversal of neuromuscular block?
(A) Inspiratory force equal to -30 cmH20
(B) Sustained head lift for 5 seconds
(C) Train-of-four ratio of 0.7
(D) Twitch height at 100% of control
(E) Vital capacity of 15 ml/kg
Reveal Answer
BASIC
General
Neostigmine administered intravenously without atropine can produce each of the following EXCEPT
(A) arousal
(B) bradycardia
(C) bronchoconstriction
(D) increased gastric motility
(E) increased urinary bladder tone
Reveal Answer
BASIC
Pharmacology & Pharmacokinetics
Which of the following is greater in an obese patient than in a nonobese patient of equal height?
(A) Milliliters of local anesthetic required for epidural block
(B) Milligrams of succinylcholine required for intubation
(C) Clearance of diazepam
(D) Clearance of fentanyl
(E) Oxygen consumption per body surface area
Reveal Answer
During anesthesia, the ventilation/perfusion ratios change
(A) to preferential ventilation of the dependent portion
(B) due to cephalad shift of the diaphragm
(C) by insignificant amounts from that in the awake state
(D) to preferential perfusion of the superior portion
(E) from changes in pulmonary compliance
Reveal Answer
BASIC
Respiratory & Critical Care
A 75-year-old man is confused, restless and disoriented two days after an aortic aneurysm repair. Serum sodium concentration is 112 mEq/L, serum osmolality is low, and urine is hypertonic. The most appropriate treatment is
(A) restriction of fluid intake
(B) administration of isotonic saline solution
(C) administration of hypertonic (3%) saline solution
(D) administration of spironolactone
(E) infusion of mannitol 25 g
Reveal Answer
ADVANCED
General
Which of the following statements best describes the decrease in cerebral metabolic rate that occurs with administration of volatile anesthetics?
(A) It is independent of anesthetic dose
(B) It is maximal when the EEG is isoelectric
(C) It is more profound with halothane than isoflurane at equipotent doses
(D) It is not affected by enflurane-induced EEG hyperactivity
(E) It parallels changes in cerebral blood flow at mean arterial pressures of 50 to 150 mmHg
Reveal Answer
Which of the following drugs is contraindicated in patients with Parkinson's disease?
(A) Atropine
(B) Dopamine
(C) Droperidol
(D) Fentanyl
(E) Isoflurane
Reveal Answer
Which of the following is the primary factor regulating normal coronary blood flow?
(A) Aortic diastolic pressure
(B) Coronary perfusion pressure
(C) Heart rate
(D) Myocardial oxygen consumption
(E) Systolic wall tension
Reveal Answer
BASIC
Cardiac
A successful ankle block for transmetatarsal amputation of the first and second toes should include each of the following nerves EXCEPT the
(A) saphenous
(B) deep peroneal
(C) superficial peroneal
(D) sural
(E) tibial
Reveal Answer
ADVANCED
Regional & Pain
An oxygen-driven anesthesia ventilator with a bellows that ascends during exhalation develops a small hole in the bellows. Which of the following is the most likely effect?
(A) Alveolar hyperinflation
(B) Decreased inspiratory flow rate
(C) Decreased inspired oxygen concentration
(D) Increased concentration of inhalational agent
(E) Rebreathing of exhaled gases
Reveal Answer