10 Random Questions
The patient whose flow-volume loop is shown on the right most likely has
- (A) bronchial asthma
- (B) a fixed midtracheal tumor
- (C) nasal polyps
- (D) restrictive lung disease
- (E) vocal cord paralysis
A patient develops urticaria and pruritus while receiving a blood transfusion in the PACU. Blood pressure and heart rate are unchanged from pretransfusion values. The most appropriate action is administration of
- (A) diphenhydramine
- (B) epinephrine
- (C) furosemide
- (D) hydrocortisone
- (E) mannitol
A 40-year-old man who is scheduled to undergo repair of a tendon laceration of the left hand has complete anesthesia in the median, radial, and ulnar nerve distributions after supraclavicular block. Two hours of tourniquet inflation are required for completion of the procedure. The most appropriate next step is an additional block of which of the following?
- (A) Axillary nerve
- (B) Intercostobrachial nerve
- (C) Lateral antebrachial cutaneous nerve
- (D) Musculocutaneous nerve
- (E) Stellate ganglion
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 graphs shown illustrate various respiratory patterns in a patient who is breathing spontaneously with continuous positive airway pressure. Which of the following patterns is associated with the LEAST work of breathing?
- (A) 1
- (B) 2
- (C) 3
- (D) All patterns are associated with equal work
- (E) There is not enough information to answer the question
A previously healthy 26-year-old man sustains massive soft tissue injury in a motor vehicle accident. He appears to be well for 48 hours after initial resuscitation, then develops marked tachypnea. Arterial blood gas analysis would be most likely to show which of the following values? (pH, PaCO2, PaO2, FiO2)
- (A) 7.53 60 75 .21
- (B) 7.12 25 110 .30
- (C) 7.09 60 90 .40
- (D) 7.53 25 55 .80
- (E) 7.28 40 195 .80
A 26-year-old woman comes to a pain clinic because of pain, swelling and limitation of motion in the right knee for six months following a blow to the knee. Findings on knee arthroscopy and leg roentgenograms are normal. The best trial of therapy is
- (A) right paravertebral lumbar sympathetic nerve block
- (B) epidural administration of a steroid
- (C) intrathecal administration of an opioid
- (D) tricyclic antidepressants for one month
- (E) a nonsteroidal anti-inflammatory drug for five days
A celiac plexus block provides effective relief of pain associated with primary cancers at each of the following locations EXCEPT the
- (A) adrenal gland
- (B) liver
- (C) pancreas
- (D) sigmoid colon
- (E) stomach
When antagonizing neuromuscular block produced by pancuronium, the combination of simultaneously administered anticholinergic and anticholinesterase drugs that is most likely to produce bradycardia is
- (A) glycopyrrolate and pyridostigmine
- (B) atropine and edrophonium
- (C) glycopyrrolate and edrophonium
- (D) atropine and neostigmine
- (E) glycopyrrolate and neostigmine
A 25-year-old man with Wolff-Parkinson-White syndrome has paroxysmal supraventricular tachycardia with a heart rate of 200 bpm during insertion of an intramedullary rod for a femoral fracture. Duration of the QRS complex is 0.12 sec. Each of the following antidysrhythmic agents would be appropriate for use in this patient EXCEPT
- (A) lidocaine
- (B) metoprolol
- (C) procainamide
- (D) propranolol
- (E) verapamil