10 Random Questions


A 157 cm (5 ft 2 in), 180-kg, 40-year-old woman has a PaO2 of 65 mmHg, a PaCO2 of 38 mmHg, and a pH of 7.43 while breathing room air preoperatively. The most likely cause of these values is

BASIC Respiratory & Critical Care

A 58-year-old man undergoes repeat coronary artery bypass grafting. Which of the following is LEAST likely to decrease the need for exogenous blood transfusion?


A 40-year-old man is scheduled for emergency laparotomy for bowel obstruction. He is nauseated but has not vomited. Which of the following drugs administered intravenously preoperatively will decrease the risk for pulmonary aspiration?


Which of the following statements concerning the pharmacokinetics of local anesthetics is true?

BASIC Pharmacology & Pharmacokinetics

At induction, the inspired concentration of a volatile anesthetic agent will approach its dialed concentration most rapidly if


A woman at 39 weeks' gestation has been in labor for 12 hours. She has had nausea and vomiting for the past eight hours. Maternal arterial blood gas values are PaO1 85 mmHg, PaCO2 31 mmHg, and pH 7.50. Which of the following is the most likely cause of fetal distress occurring at this time?

ADVANCED OB

A patient who is scheduled for emergency debridement of an infected wound on the sole has trismus, rigidity of facial muscles, and spasms of the intercostal muscles, diaphragm, and extremities. During anesthesia, this patient is at increased risk for each of the following EXCEPT


A patient sustains cardiac arrest while being mechanically ventilated. Which of the following is the most likely effect on PetCO2?

BASIC Respiratory & Critical Care

A woman is undergoing a repeat cesarean delivery at term following a normal pregnancy. Anesthesia consists of thiopental 250 mg, succinylcholine infusion (180 mg in 20 minutes), nitrous oxide and oxygen (7:3 L/min) until delivery. Twenty minutes after the incision a floppy newborn with a 1-minute Apgar score of 5 is delivered. The most likely explanation for the infant's condition is

ADVANCED OB

While delivering nitrous oxide 1.5 L/min, oxygen 1.5 L/min, and halothane 1%, a leak in the oxygen flowmeter will most likely be detected by the

BASIC Equipment & Physics