10 Random Questions
A 32-year-old man who is addicted to opioids complains of pain in the PACU one hour after fixation of a mandibular fracture. He has received intravenous morphine 30 mg during the past hour. The most appropriate management is
- (A) continued intravenous administration of morphine until the pain resolves
- (B) intravenous administration of nalbuphine in 5-mg increments until the pain resolves
- (C) intramuscular administration of hydroxyzine 75 mg
- (D) evaluation for entrapment of the mandibular nerve
- (E) evaluation for drug-seeking behavior
A 65-year-old man has a history of alcohol abuse. Which of the following preoperative serum concentrations would provide the best assessment of synthetic hepatic function?
- (A) Albumin
- (B) Alkaline phosphatase
- (C) Bilirubin
- (D) Globulin
- (E) Transaminases
Cerebral blood flow is decreased by
- (A) chronic respiratory acidosis
- (B) hypoxia
- (C) hypoglycemia
- (D) polycythemia
- (E) the postictal state
Desflurane at a stable alveolar concentration of 7%
- (A) causes bradycardia
- (B) decreases cerebrovascular resistance
- (C) degrades in soda lime
- (D) increases systemic vascular resistance
- (E) stimulates the respiratory centers
A patient receiving propranolol and nifedipine is scheduled for elective coronary artery bypass surgery. During induction with fentanyl and oxygen, heart rate decreases from 52 to 36 bpm and blood pressure decreases from 130/85 to 80/50 mmHg. Administration of atropine 2 mg intravenously has no effect. The most appropriate treatment at this time is administration of
- (A) epinephrine
- (B) pancuronium
- (C) naloxone
- (D) phenylephrine
- (E) calcium chloride
Measurement of blood pressure with a Doppler device involves
- (A) reflection of ultrasound waves off blood elements
- (B) detection of oscillations in cuff pressure
- (C) amplification of Korotkoff sounds with a miniature microphone
- (D) transillumination with a near infrared light
- (E) detection of variations in blood vessel diameter
The severity of chronic bronchitis is best assessed by measuring
- (A) tidal volume
- (B) carbon dioxide diffusion capacity
- (C) sputum production over 24 hours
- (D) forced vital capacity
- (E) arterial blood gases
In performing a diagnostic left lumbar sympathetic block for lower extremity claudication, the tip of the needle ideally should lie at point
- (A) A
- (B) B
- (C) C
- (D) D
- (E) E
The best indication that a patient is ready for discharge from an outpatient facility after spinal anesthesia is return of
- (A) pinprick sensation to the S4-5 dermatome
- (B) micturition
- (C) plantar flexion
- (D) proprioception of the big toe
- (E) knee extension
If administered prior to induction of anesthesia, which of the following drugs is most likely to cause tachycardia?
- (A) Fentanyl
- (B) Meperidine
- (C) Midazolam
- (D) Morphine
- (E) Sufentanil