10 Random Questions
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
Reveal Answer
ADVANCED
Pediatric
Which of the following statements concerning the retinopathy of prematurity is true?
(A) The initial lesion is dilation of retinal capillaries
(B) It can be prevented by maintaining FiO2 below 0.4
(C) It is less likely to develop if PaO2 is maintained below 70 mmHg
(D) The incidence is unrelated to birth weight
(E) Infants whose postconceptual age has reached 40 weeks are no longer at risk
Reveal Answer
ADVANCED
Pediatric
Which of the following statements concerning the effects of glycopyrrolate is true?
(A) It decreases gastric pH
(B) It causes bronchoconstriction
(C) It decreases lower esophageal sphincter tone
(D) It does not prevent succinylcholine-induced bradycardia
(E) It causes a central anticholinergic syndrome
Reveal Answer
BASIC
Pharmacology & Pharmacokinetics
A 30-year-old man who is undergoing laparotomy and resection of a large kidney tumor has a decrease in SpO2 from 100% to 92% and an increase in peak airway pressure from 20 to 35 cm H2O. Plateau pressure is unchanged at 18 cm H2O. Which of the following is the most likely cause?
(A) Abdominal packing
(B) Inadequate anesthesia
(C) Inadequate muscle relaxation
(D) Obstruction of the endotracheal tube
(E) Pneumothorax
Reveal Answer
BASIC
Equipment & Physics
Respiratory & Critical Care
General
Which of the following is greater in an obese patient than in a nonobese patient of equal height?
(A) Milliliters of local anesthetic required for epidural block
(B) Milligrams of succinylcholine required for intubation
(C) Clearance of diazepam
(D) Clearance of fentanyl
(E) Oxygen consumption per body surface area
Reveal Answer
The Bain circuit
(A) provides nearly identical delivered and inspired anesthetic concentrations
(B) has the fresh gas flow inlet near the reservoir bag
(C) is a nonrebreathing circuit at any fresh gas flow rate
(D) is most efficient during spontaneous ventilation
(E) has a time constant greater than 1 minute for change in inspired anesthetic concentrations
Reveal Answer
BASIC
Equipment & Physics
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
Reveal Answer
BASIC
General
An 8-year-old child with chronic renal failure is scheduled for an operation to create an arteriovenous fistula. Laboratory studies include: Hemoglobin 6.5 g/dl, Blood gases (breathing air) : PaO2 97 mmHg, PaCO2 29 mmHg, pH 7.30 Sodium 129 mEq/L Potassium 5.5 mEq/L Chloride 101 mEq/L Bicarbonate 15 mEq/L. Before inducing general anesthesia, which of the following abnormalities should be corrected?
(A) Anemia
(B) Metabolic acidosis
(C) Potassium concentration
(D) Anemia, metabolic acidosis, and potassium concentration
(E) None of the above
Reveal Answer
ADVANCED
Respiratory & Critical Care
Pediatric
Which of the following pulmonary components is altered the most in a morbidly obese patient?
(A) Total lung volume
(B) Tidal volume
(C) Inspiratory reserve volume
(D) Expiratory reserve volume
(E) Ratio of dead space to tidal volume
Reveal Answer
BASIC
Respiratory & Critical Care
When treating reflex sympathetic dystrophy of an arm, which of the following is the best indicator of a successful sympathetic blockade?
(A) A pinprick sensory deficit in the distribution of C6
(B) A 5°C increase in the temperature of the skin of the hand
(C) An accentuated psychogalvanometric response in the forearm
(D) An ipsilateral positive Horner's syndrome
(E) Decreased temperature sensation in the hand
Reveal Answer