10 Random Questions
Compared with morphine 5 mg administered epidurally at T12, morphine 5 mg administered intravenously is associated with
- (A) greater incidence of urinary retention
- (B) less intense analgesia
- (C) less nausea and vomiting
- (D) longer duration of analgesia
- (E) longer time to maximum analgesia
A 72-year-old man has had residual hemiparesis since having a cerebrovascular accident three years ago. Compared with the response of the unaffected limbs to nondepolarizing muscle relaxants, the hemiparetic limbs will show
- (A) the same response
- (B) greater depression of tetanus
- (C) greater twitch depression
- (D) less twitch depression
- (E) less post-tetanic facilitation
During right upper lobectomy and one-lung ventilation with a double-lumen endotracheal tube, the PaO2 decreases to 40 mmHg. The PaCO2 is 39 mmHg. Which of the following is most appropriate?
- (A) Confirm position of the tube with bronchoscopy
- (B) Apply 5 cmH20 continuous positive airway pressure to the nondependent lung
- (C) Apply 5 cmH20 positive end-expiratory pressure to the dependent lung
- (D) Resume two-lung ventilation
- (E) Clamp the pulmonary artery of the nondependent lung
A full-term neonate has physical findings suggestive of congenital diaphragmatic hernia. Initial Apgar score is 2. Which of the following is the most appropriate initial management?
- (A) Placement of an orogastric tube
- (B) Insertion of a chest tube
- (C) Controlled ventilation by face mask
- (D) Controlled ventilation through an endotracheal tube
- (E) Spontaneous ventilation through an endotracheal tube
An otherwise healthy 70-year-old man receives 12 units of packed red blood cells for persistent diffuse bleeding during suprapubic prostatectomy. Hemoglobin concentration is 11 g/dL, platelet count is 55,000/mm3, plasma fibrinogen concentration is 180 mg/dL, protime is 14 sec, and partial thromboplastin time is 35 sec. The most appropriate therapy is administration of
- (A) cryoprecipitate
- (B) desmopressin (DDAVP)
- (C) epsilon-aminocaproic acid
- (D) fresh frozen plasma
- (E) platelets
After the first 70 minutes of a transurethral resection of the prostate, a 70-year-old man becomes confused and has tachycardia, hypertension, and shortness of breath. Serum sodium concentration is 116 mEq/L. After informing the surgeon that the procedure should be terminated as soon as possible, the most appropriate next step would be to
- (A) administer furosemide
- (B) administer labetalol
- (C) administer 3% sodium chloride
- (D) change the irrigating solution to normal saline
- (E) induce general endotracheal anesthesia
Compared with the response of a normal patient, administration of a bolus dose of pancuronium (0.15 mg/kg) to a patient with cirrhosis and ascites would be associated with
- (A) longer duration
- (B) more rapid onset
- (C) more intense block
- (D) more difficult reversibility
- (E) similar pharmacokinetics
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
When evaluating a screening test, which of the following is the most appropriate term for the proportion of patients with a disease who have a positive test result?
- (A) Accuracy
- (B) Incidence
- (C) Selectivity
- (D) Sensitivity
- (E) Specificity
The most sensitive means of detecting venous air embolism is
- (A) precordial Doppler stethoscope
- (B) transesophageal echocardiography
- (C) end-tidal carbon dioxide measurement
- (D) pulmonary artery pressure measurement
- (E) central venous pressure measurement