10 Random Questions
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
Pharmacology & Pharmacokinetics
In a patient with surgically significant aortic insufficiency, cardiac output measured by thermodilution will
(A) be greater than right ventricular output
(B) be less than left ventricular output
(C) be less than cardiac output measured by the Fick method
(D) be inaccurate because of decreased signal-to-noise ratio
(E) underestimate net systemic arterial blood flow
Reveal Answer
ADVANCED
Cardiac
Miosis, incontinence, excess salivation, and convulsions are toxic effects of
(A) amphetamines
(B) phenothiazines
(C) cocaine
(D) tricyclic antidepressants
(E) organophosphate insecticides
Reveal Answer
ADVANCED
Pharmacology & Pharmacokinetics
The best premedication regimen for a known active narcotic addict would include
(A) secobarbital
(B) diazepam
(C) nalbuphine
(D) morphine
(E) droperidol
Reveal Answer
BASIC
Pharmacology & Pharmacokinetics
Regional & Pain
A 20-year-old man with a history of substance abuse is undergoing preoperative evaluation. Which of the following findings suggests current use of cocaine?
(A) Absence of deep tendon reflexes
(B) Bradycardia
(C) Hypertension
(D) Hypothermia
(E) Pinpoint pupils
Reveal Answer
BASIC
Pharmacology & Pharmacokinetics
After administration of a single dose of vecuronium, function returns last to which of the following muscles?
(A) Adductor pollicis
(B) Diaphragm
(C) Laryngeal muscles
(D) Orbicularis oculi
(E) Rectus abdominis
Reveal Answer
BASIC
Pharmacology & Pharmacokinetics
Which of the following is most reliable for treatment of cerebral artery vasospasm associated with subarachnoid hemorrhage?
(A) Antifibrinolytic therapy
(B) Hyperventilation
(C) Mannitol infusion
(D) Nitroprusside infusion
(E) Volume expansion
Reveal Answer
Each of the following factors decreases uterine blood flow EXCEPT
(A) aortocaval compression
(B) hypocarbia
(C) hypoxia
(D) sympathetic block
(E) uterine contractions
Reveal Answer
ADVANCED
OB
Brain death following prolonged barbiturate coma is best confirmed by
(A) electroencephalography
(B) cerebral angiography
(C) neurologic examination
(D) physostigmine trial
(E) measurement of cortical evoked potentials
Reveal Answer
Pseudocholinesterase
(A) is increased in patients with myasthenia gravis
(B) is inhibited by glycopyrrolate
(C) is inhibited by pilocarpine
(D) is synthesized by the liver
(E) reverses atracurium blockade
Reveal Answer
BASIC
General