10 Random Questions
The cardiac rhythm illustrated appeared suddenly in an anesthetized patient. The most appropriate management is
- (A) administration of adenosine
- (B) administration of digoxin
- (C) administration of epinepherine
- (D) overdrive pacing
- (E) synchronous cardioversion
The decrease in hematocrit that accompanies acute major blood loss results from
- (A) decreased capillary hydrostatic pressure
- (B) increased capillary oncotic pressure
- (C) decreased interstitial fluid oncotic pressure
- (D) increased interstitial fluid hydrostatic pressure
- (E) decreased viscosity of the flowing blood
Compared with isoflurane, desflurane
- (A) causes higher plasma norepinephrine levels
- (B) has greater biodegradability
- (C) has a higher blood/gas partition coefficient
- (D) has a lower MAC value
- (E) has a lower vapor pressure
Each of the following conditions is associated with autonomic hyperreflexia in patients with spinal cord injury EXCEPT
- (A) bradycardia
- (B) flushing below the level of injury
- (C) headache
- (D) sweating above the level of injury
- (E) systolic hypertension
After receiving excessive intraoperative blood replacement, a patient anesthetized with fentanyl, diazepam, and nitrous oxide develops acute pulmonary edema. The drug most likely to help him acutely is
- (A) isoflurane
- (B) nitroprusside
- (C) digoxin
- (D) nitroglycerin
- (E) furosemide
Which of the following is the most likely effect of long-term exposure to nitrous oxide at a concentration of 50 ppm?
- (A) Impaired cognitive function
- (B) Inhibition of vitamin B-12 absorption
- (C) Megaloblastic changes in bone marrow
- (D) Teratogenesis
- (E) Thrombocytopenia
During transurethral resection of the prostate, intravascular absorption of glycine irrigant most commonly produces
- (A) alkalosis
- (B) hemolysis
- (C) hypertension
- (D) tachycardia
- (E) wheezing
Compared with adults, caudal anesthesia in children is associated with
- (A) higher risk for subarachnoid puncture
- (B) more severe hypotension
- (C) more rapid onset of sensory block
- (D) smaller volume of anesthetic per kilogram of body weight
- (E) toxic effects at lower serum levels of bupivacaine
A 2600-g neonate is to undergo surgical repair of a small gastroschisis. The infant is preoxygenated with 100% oxygen. Arterial hemoglobin desaturation is noted during laryngoscopy after a rapid-sequence induction. Which of the following is the most likely cause?
- (A) High fetal hemoglobin concentration
- (B) High ratio of oxygen consumption to functional residual capacity
- (C) Low functional residual capacity in milliliters per kilogram
- (D) Poor thoracic compliance
- (E) Patent ductus arteriosus
During anesthesia using the Bain circuit
- (A) PaCO2 is independent of minute volume if fresh gas flow is greater than 17 ml/kg
- (B) PaCO2 is independent of fresh gas flow if minute volume is greater than 100 ml/kg
- (C) PaCO2 may be normal in the presence of rebreathing
- (D) carbon dioxide removal is more efficient during spontaneous ventilation than during controlled ventilation
- (E) less body heat is lost than with a circle system