10 Random Questions
A 25-year-old woman is undergoing emergency appendectomy at 36 weeks' gestation. Following subarachnoid injection of hyperbaric bupivacaine and placement in the supine position, the patient has nausea; heart rate is 105 bpm and blood pressure is 90/60 mmHg. Which of the following is the most appropriate management?
- (A) Displacement of the uterus to the left
- (B) Immediate tracheal intubation
- (C) Intramuscular administration of ephedrine
- (D) Placement of the operating table in the reverse Trendelenburg position
- (E) Ventilation by mask with 100% oxygen
The most common transfusion-related infection is
- (A) bacterial sepsis
- (B) cytomegalovirus infection
- (C) hepatitis B
- (D) hepatitis C (non-A, non-B)
- (E) human immunodeficiency virus infection
Compared with adult hemoglobin, which of the following is a characteristic of fetal hemoglobin?
- (A) It has a greater oxygen-carrying capacity
- (B) It has a lower P50
- (C) It is more likely to cause an artifactual increase in Sp02
- (D) It is more likely to sickle
- (E) It unloads oxygen more readily at the tissues
A 75-year-old man is confused, restless and disoriented two days after an aortic aneurysm repair. Serum sodium concentration is 112 mEq/L, serum osmolality is low, and urine is hypertonic. The most appropriate treatment is
- (A) restriction of fluid intake
- (B) administration of isotonic saline solution
- (C) administration of hypertonic (3%) saline solution
- (D) administration of spironolactone
- (E) infusion of mannitol 25 g
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
In the diagram, point "X" represents a patient with severe left ventricular dysfunction. The points labeled 1, 2, and 3 each represent the results of a different therapeutic intervention. Which of the following represents the most likely intervention at each point?
- (A) 1-Dopamine, 2-Furosemide, 3-Nitroprusside
- (B) 1-Dopamine, 2-Nitroprusside, 3-Furosemide
- (C) 1-Furosemide, 2-Dopamine, 3-Nitroprusside
- (D) 1-Nitroprusside, 2-Dopamine, 3-Furosemide
- (E) 1-Nitroprusside, 2-Furosemide, 3-Dopamine
Which of the following is decreased by alkalinization of a 1.5% lidocaine solution?
- (A) Concentration of free base
- (B) Dose required for anesthesia
- (C) Duration of anesthesia
- (D) Intracellular concentration of ionized lidocaine
- (E) Time to onset of anesthesia
Which of the following is the most likely cause of rapid oxygen desaturation during laryngoscopy In a pregnant woman?
- (A) Airway edema
- (B) Anemia
- (C) Decreased functional residual capacity
- (D) Fetal oxygen consumption
- (E) Increased cardiac output
Following transfusion of packed red blood cells during general anesthesia, the patient's blood pressure decreases, heart rate and temperature increase, and hemoglobinuria and diffuse oozing are observed. Which of the following is the most appropriate first step in management?
- (A) Administration of hydrocortisone
- (B) Administration of fresh frozen plasma
- (C) Administration of epsilon-aminocaproic acid
- (D) Rapid infusion of crystalloid
- (E) Transfusion of platelet concentrates
Each of the following is a complication of celiac plexus block with 0.5% lidocaine 40 ml EXCEPT
- (A) hematuria
- (B) ileus
- (C) postural hypotension
- (D) retroperitoneal hematoma
- (E) weakness of hip flexors