10 Random Questions
Compared with thiopental, methohexital is characterized by
(A) better absorption after rectal administration
(B) greater protein binding
(C) greater hepatic clearance
(D) larger volume of distribution
(E) more complete biotransformation
Reveal Answer
BASIC
Pharmacology & Pharmacokinetics
A multiparous 24-year-old woman sustains an amniotic fluid embolism during general anesthesia. The LEAST likely clinical finding is
(A) increased end-tidal carbon dioxide tension
(B) increased uterine bleeding
(C) jugular venous distention
(D) ST and T wave abnormalities on ECG
(E) wheezing
Reveal Answer
ADVANCED
OB
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
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
Phase II neuromuscular block is characterized by
(A) depressed twitch height, sustained tetanus, post-tetanic potentiation
(B) depressed twitch height, tetanic fade, post-tetanic potentiation
(C) depressed twitch height, tetanic fade, no post-tetanic potentiation
(D) normal twitch height, tetanic fade, post-tetanic potentiation
(E) normal twitch height, tetanic fade, no post-tetanic potentiation
Reveal Answer
BASIC
Pharmacology & Pharmacokinetics
Which of the following shaded areas most accurately represents the dead space of a properly functioning circle system?
Reveal Answer
A 65-year-old patient receiving long-term clonidine therapy fails to take it one day before surgery. This would most likely
(A) be beneficial, since clonidine decreases cardiac output
(B) be of no consequence due to the long half-life of clonidine
(C) produce a lower anesthetic requirement than if the drug had been continued
(D) produce rebound hypertension
(E) result in seizure activity
Reveal Answer
ADVANCED
Pharmacology & Pharmacokinetics
Which of the following factors will slow the induction of anesthesia in patients receiving volatile anesthetics?
(A) Addition of 70% nitrous oxide
(B) Increased cardiac output
(C) Increased minute ventilation
(D) Low blood/gas solubility coefficient
(E) Previous pneumonectomy
Reveal Answer
A patient has tonic movements of the head and neck, nystagmus, and slurred speech after receiving metoclopramide for nausea after nitrous oxide-opioid anesthesia. The most appropriate pharmacologic treatment is
(A) diphenhydramine
(B) midazolam
(C) naloxone
(D) phenytoin
(E) physostigmine
Reveal Answer
ADVANCED
Pharmacology & Pharmacokinetics
The most likely cause of this capnographic tracing obtained just after laryngoscopy and intubation is
(A) esophageal intubation
(B) partial obstruction of the endotracheal tube
(C) pulmonary embolus
(D) insertion of an endotracheal nasogastric tube
(E) mild bronchospasm
Reveal Answer
BASIC
Equipment & Physics
General