10 Random Questions
Which of the following is a side effect of beta-adrenergic blockade?
- (A) Cerebral vasodilation
- (B) Decreased left ventricular filling pressures
- (C) Hypokalemia
- (D) Increased airway resistance
- (E) Uterine relaxation
Which of the following statements concerning cerebral blood flow (CBF) during anesthesia is true?
- (A) CBF changes minimally when PaC02 increases from 30 to 40 mmHg
- (B) CBF changes minimally when P02 decreases from 160 to 100 mmHg
- (C) CBF is autoregulated when mean arterial pressure is 40 mmHg
- (D) CBF is coupled to cerebral metabolism during isoflurane anesthesia
- (E) CBF is unaffected by 1.2% isoflurane at a PaC02 of 40 mmHg
The primary purpose of denitrogenation prior to anesthetic induction is to
- (A) blunt hypoxic pulmonary vasoconstriction
- (B) improve ventilation and perfusion matching
- (C) increase contribution of second gas effect to rate of induction
- (D) increase oxygen reserve in the functional residual capacity
- (E) maximize arterial oxygen content
The correlation between anesthetic potency and lipid solubility
- (A) suggests that the number of molecules dissolved at the site of action causes anesthesia
- (B) applies to anesthetic agents dissolved in olive oil
- (C) suggests that the type of molecule causes anesthesia
- (D) is consistent with the synergistic effect of anesthetics
- (E) is not consistent with a unitary molecular site of action of anesthetics
In patients with head trauma, which of the following factors results in a return of arterial pH toward normal levels after two days of mechanical hyperventilation?
- (A) Decreased renal absorption of hydrogen ions
- (B) Decreased renal blood flow
- (C) Increased PaCO2 with constant minute ventilation
- (D) Increased renal excretion of bicarbonate ions
- (E) Normalized cerebrospinal fluid pH
A 64-year-old man with a large pancreatic tumor has severe abdominal pain that radiates to the low back. Which of the following is the most appropriate management?
- (A) Bilateral LI rhizotomy
- (B) Dorsal column stimulation
- (C) Hypogastric plexus block
- (D) Neurolytic celiac plexus block
- (E) Patient-controlled analgesia
A 57-year-old man who weighs 150 kg and is 170 cm (67 in) tall is scheduled for cholecystectomy. He has a 100 pack-year smoking history. Which of the following findings on pulmonary function testing are most likely?
Compared with the adult airway, the neonatal airway has which of the following characteristics?
- (A) More cephalad larynx
- (B) Narrowest diameter at the vocal cords
- (C) Relatively smaller epiglottis
- (D) Smaller tongue relative to the size of the oral cavity
- (E) Vocal cords perpendicular to the trachea
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
A healthy 57-year-old man with a ureteral calculus is scheduled for immersion extracorporeal shock wave lithotripsy. Which of the following statements is true?
- (A) Delivery of the shock wave is timed by the R wave of the ECG
- (B) Continuous epidural anesthesia is contraindicated because of the risk for infection
- (C) If a regional technique is used, a T10 sensory level is required for adequate anesthesia
- (D) If general anesthesia is used, high tidal volumes and low respiratory rate are preferred
- (E) Removal of the patient from the bath is accompanied by an increase in blood pressure