Anesthesia Hub -

10 Random Questions

Compared with general anesthesia, epidural anesthesia for hip arthroplasty is associated with

(A) decreased incidence of perioperative myocardial ischemia
(B) decreased intraoperative blood loss
(C) decreased risk for acute renal failure
(D) increased risk for stress-induced hyperglycemia
(E) increased thromboembolic complications

Which of the following is the most frequent cause of hemorrhagic diathesis after administration of 20 units of CPD-stored blood over six hours?

(A) Disseminated intravascular coagulation
(B) Hypofibrinogenemia
(C) Low plasma concentrations of factors V and VIII
(D) Primary fibrinolysis
(E) Thrombocytopenia

BASIC Transfusions & Fluids

During cardiopulmonary bypass, the perfusionist notes that the mixed venous oxygen saturation has decreased from to 55%. Which of the following is the most likely cause?

(A) Administration of a nitroprusside bolus
(B) Administration of a thiopental bolus
(C) Decrease in rectal temperature from 34°C to 28°C
(D) Inadequate muscle relaxation
(E) Increase in pump flow

ADVANCED Cardiac

Awakening after a single dose of thiopental is caused by redistribution from the brain primarily to which of the following sites?

(A) Fat
(B) Heart
(C) Liver
(D) Lung
(E) Skeletal muscle

BASIC Pharmacology & Pharmacokinetics

Which of the following is the most appropriate drug to treat hypotension in patients with asymmetric septal hypertrophy (IHSS)?

(A) Amrinone
(B) Calcium chloride
(C) Dopamine
(D) Ephedrine
(E) Phenylephrine

ADVANCED Cardiac

Each of the following increases cardiac output EXCEPT

(A) an arteriovenous fistula
(B) fever
(C) normovolemic anemia
(D) shivering
(E) carotid sinus stimulation

An increased initial dose and a decreased maintenance dose of pancuronium are required in patients with

(A) advanced age
(B) burns
(C) cirrhosis
(D) chronic renal failure
(E) fever

BASIC Pharmacology & Pharmacokinetics

Epinephrine is less effective in prolonging epidural anesthesia with bupivacaine than epidural anesthesia with lidocaine because

(A) peak bupivacaine concentrations are decreased less than peak lidocaine concentrations
(B) the acidic pH of epinephrine decreases the concentration of the nonionized bupivacaine
(C) bupivacaine produces more vasoconstriction than lidocaine
(D) the duration of action of bupivacaine is independent of local blood flow
(E) bupivacaine antagonizes the vasoconstrictor activity of epinephrine

BASIC Pharmacology & Pharmacokinetics Regional & Pain

Which of the following statements concerning successful blockade of the femoral nerve is true?

(A) It requires that a paresthesia be elicited prior to injection
(B) It provides motor blockade below the knee
(C) It is accomplished with an injection medial to the femoral artery
(D) It permits surgery for entrapment of the lateral femoral cutaneous nerve
(E) It provides anesthesia to the anterior thigh

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) Cell saver blood collection before and after cardiopulmonary bypass
(B) Epsilon-aminocaproic acid administered during cardiopulmonary bypass
(C) High-dose aprotinin administered during cardiopulmonary bypass
(D) Tranexamic acid infusion during cardiopulmonary bypass
(E) Desmospressin administered after cardiopulmonary bypass