10 Random Questions

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A 70-kg patient with no acute bleeding has a preoperative platelet count of 40,000/mm3. Following preoperative transfusion of platelets 10 units, the predicted platelet count would be

• (A) 50,000/mm3
• (B) 80,000/mm3
• (C) 90,000/mm3
• (D) 140,000/mm3
• (E) 190,000/mm3

BASIC Transfusions & Fluids

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A 72-year-old woman is somnolent one day after left carotid endarterectomy. She has smoked 2 packs of cigarettes daily for 50 years. Six weeks ago, she underwent right carotid endarterectomy. At this time, arterial blood gases while breathing room air are PO2, 45 mmHg, PCO2, 60 mmHg, and pH 7.30. Which of the following is the most likely cause of the increased PCO2?

• (A) Bilateral vocal cord paralysis
• (B) Cerebral infarction
• (C) Congestive heart failure
• (D) Denervation of the carotid bodies
• (E) Phrenic nerve injury

ADVANCED General

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The laryngeal mask airway

• (A) causes more hemodynamic stimulation than an oropharyngeal airway
• (B) is contraindicated in patients with cervical spine instability
• (C) is more easily inserted when cricoid pressure is applied
• (D) may serve as a temporary airway in case of a failed rapid sequence intubation
• (E) requires administration of a muscle relaxant to avoid laryngospasm during insertion

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Nausea and vomiting in pediatric outpatients are

• (A) directly related to postoperative pain
• (B) unrelated to the length of the procedure
• (C) eliminated by preoperative administration of droperidol
• (D) eliminated by intraoperative nasogastric drainage
• (E) more frequent than in adults

ADVANCED Pediatric

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Which of the following findings is an early indication of cyanide toxicity?

• (A) Bronchospasm
• (B) Cardiac dysrhythmias
• (C) Decreased mixed venous P02
• (D) Increased intracranial pressure
• (E) Metabolic acidosis

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Each of the following indicates a hemolytic transfusion reaction in an anesthetized patient EXCEPT

• (A) bleeding diathesis
• (B) wheezing
• (C) hypotension
• (D) hemoglobinuria
• (E) decreased serum haptoglobin concentration

ADVANCED Transfusions & Fluids

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A 65-year-old woman has respiratory distress and loss of consciousness immediately following superficial and deep cervical plexus block for right carotid endarterectomy. Which of the following is the most likely cause?

• (A) Phrenic nerve paralysis
• (B) Pneumothorax
• (C) Recurrent laryngeal nerve block
• (D) Subarachnoid injection
• (E) Vertebral artery injection

ADVANCED Regional & Pain

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Which of the following drugs exerts a vasoconstrictor effect by blocking the reuptake of norepinephrine at the neuronal synapse?

• (A) Cocaine
• (B) Dopamine
• (C) Ephedrine
• (D) Metaraminol
• (E) Phenylephrine

ADVANCED Pharmacology & Pharmacokinetics

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Which of the following EEG findings is expected during maintenance anesthesia with high-dose fentanyl (50 ju-g/kg), nitrous oxide, and oxygen?

• (A) Low-frequency high-voltage activity
• (B) Nondominant hemispheric slowing
• (C) Predominant alpha activity
• (D) Prominent beta activity
• (E) Spindle-shaped bursts

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The speed of induction of anesthesia with an inhalational agent is increased by

• (A) decreased cardiac output
• (B) decreased minute ventilation
• (C) increased functional residual capacity
• (D) right-to-left intracardiac shunt
• (E) use of a more soluble agent

BASIC Pharmacology & Pharmacokinetics

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