10 Random Questions
Which of the following parts of the infant's airway determines the appropriate diameter of a nasotracheal tube?
(A) Nares
(B) Glottis
(C) Vocal cords
(D) Cricoid cartilage
(E) Third tracheal ring
Reveal Answer
ADVANCED
Pediatric
Each of the following conditions causes resistance to nondepolarizing neuromuscular blockade EXCEPT
(A) chronic severe infections
(B) major burns
(C) myotonia congenita
(D) prolonged immobilization
(E) upper motor neuron injury
Reveal Answer
BASIC
Pharmacology & Pharmacokinetics
A patient with cirrhosis presenting for liver transplantation is likely to exhibit each of the following EXCEPT
(A) decreased cardiac output
(B) decreased serum glucose concentration (0 decreased serum sodium concentration
(D) decreased systemic vascular resistance
(E) increased alveolar-arterial oxygen tension difference
Reveal Answer
BASIC
General
Compared with isoflurane, desflurane
(A) causes higher plasma norepinephrine levels
(B) has greater biodegradability
(C) has a higher blood/gas partition coefficient
(D) has a lower MAC value
(E) has a lower vapor pressure
Reveal Answer
BASIC
Pharmacology & Pharmacokinetics
Intraocular pressure is
(A) decreased by glycopyrrolate
(B) increased by hyperventilation
(C) decreased by halothane
(D) increased by nondepolarizing muscle relaxants
(E) increased by phenylephrine eye drops
Reveal Answer
BASIC
Pharmacology & Pharmacokinetics
After termination of cardiopulmonary bypass, a patient who is chronically digitalized receives digoxin 0.5 mg in error. An ECG shows sinus bradycardia with intermittent sinus arrest; blood pressure is 90/60 mmHg. Which of the following drugs is contraiindicated in this patient?
(A) Atropine
(B) Calcium chloride
(C) Ephedrine
(D) Magnesium sulfate
(E) Phenylephrine
Reveal Answer
ADVANCED
Pharmacology & Pharmacokinetics
Cardiac
In an unpremedicated, spontaneously breathing patient, an alveolar halothane concentration of 0.74% in oxygen is consistently associated with
(A) absence of overt response to skin incision
(B) constricted pupils
(C) flaccidity of abdominal muscles
(D) normal glomerular filtration rate
(E) normal myocardial contractility
Reveal Answer
basic
Which of the following is the most likely cause of the rapid onset of local anesthesia when sodium bicarbonate is added to lidocaine?
(A) Decreased extracellular calcium ion concentration
(B) Increased extracellular pH
(C) Increased intracellular pH
(D) Increased ionized lidocaine diffusion
(E) Increased nonionized lidocaine concentration
Reveal Answer
BASIC
Pharmacology & Pharmacokinetics
A newborn is in respiratory distress. Examination shows a scaphoid abdomen, cyanosis while breathing oxygen by mask, and heart sounds in the right hemithorax. Which of the following is the most appropriate next step?
(A) Assisted ventilation with a bag and face mask
(B) Insertion of a chest tube on the left side
(C) Insertion of a nasogastric tube
(D) Tracheal intubation and assisted ventilation
(E) Tracheal intubation and expansion of the left lung
Reveal Answer
ADVANCED
Pediatric
Which of the following statements concerning absorption of irrigation fluid during transurethral resection of the prostate is true?
(A) Hydrostatic pressure has minimal effect on the amount of fluid absorbed
(B) Typically 10 to 30 ml of fluid per minute are absorbed
(C) Use of iso-osmotic solutions decreases the risk of hyponatremia
(D) CNS complications are independent of the type of fluid used
(E) Spinal anesthesia to T6 will mask the symptoms of overhydration
Reveal Answer
ADVANCED
General