Anesthesia Hub -

10 Random Questions

Which of the following must be considered during perioperative management of a patient on long-term lithium therapy?

(A) Intravenous fluids should include sodium
(B) Therapy should be discontinued for 14 days prior to anesthesia
(C) The requirement for succinylcholine is increased
(D) The requirement for volatile anesthetics is increased
(E) Urine output should be maintained with furosemide

BASIC Pharmacology & Pharmacokinetics General

In a patient with chronic renal failure, which of the following statements concerning muscle relaxants is true?

(A) Duration of action of vecuronium is prolonged
(B) The elimination half-life of atracurium is tripled
(C) Reversal with neostigmine is con train dicated
(D) The onset of action of mivacurium is delayed
(E) Succinylcholine is contraindicated

During cardiopulmonary resuscitation (CPR) in an adult, external chest compression is being performed at the rate of 90/min with 2 inches of sternal depression and a compression-relaxation ratio of 20:80. The most appropriate action is to

(A) decrease the rate of compression
(B) increase the duration of compression
(C) increase the duration of relaxation
(D) increase the depth of sternal depression
(E) continue the original pattern of CPR

ADVANCED General

Diffuse microvascular bleeding is noted in a patient who has received 25 units of whole blood for a liver resection. Platelet count is 40,000/mm3, prothrombin time is 18 sec, activated partial thromboplastin time is 54 sec, and serum fibrinogen concentration is 60 mg/dl. The most likely cause of the bleeding is

(A) abnormal platelet function
(B) citrate toxicity
(C) depressed levels of factors V and VIII
(D) dilutional thrombocytopenia
(E) disseminated intravascular coagulation

BASIC Transfusions & Fluids

Inhibition of labor by terbutaline causes each of the following maternal side effects EXCEPT

(A) hyperkalemia
(B) hypotension
(C) ventricular dysrhythmias
(D) hyperglycemia
(E) pulmonary edema

ADVANCED Pharmacology & Pharmacokinetics OB

Which of the following statements concerning banked blood is true?

(A) Red blood cells preserved with CPDA-1 have a shelf life of approximately 21 days
(B) Packed red blood cells deliver oxygen normally immediately after administration
(C) Packed red blood cells contain most of the leukocytes present in the donated unit
(D) Citrate is used as a source of energy for whole blood
(E) Stored whole blood contains all coagulation factors except II and VIII

BASIC Transfusions & Fluids

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

BASIC General

Proper handling of oxygen cylinders includes

(A) maintenance of storage room temperature above 60°F
(B) separate storage rooms for nitrous oxide and oxygen
(C) opening the cylinder valve just sufficiently to register tank pressure accurately
(D) storage in a room with conductive flooring
(E) opening the cylinder valve briefly before attachment to the anesthesia machine

BASIC Equipment & Physics

Following a thyroidectomy, a patient develops severe dyspnea, inspiratory stridor, and cyanosis in the recovery room. On physical examination, the neck appears full. Attempts at bag-mask ventilation are unsuccessful. Immediate therapy is to

(A) administer calcium chloride
(B) perform an emergency tracheostomy
(C) open the wound and institute bag-mask ventilation
(D) return the patient to the operating room
(E) perform endotracheal intubation

Each of the following is a physiologic effect of intra-aortic balloon pump therapy EXCEPT

(A) decreased peak systolic pressure
(B) increased cardiac output
(C) increased coronary perfusion
(D) increased diastolic pressure
(E) increased total peripheral resistance

BASIC Respiratory & Critical Care Cardiac