Anesthesia Hub -

10 Random Questions

Which of the following findings is characteristic of whole blood preserved in CPD and stored at 4°C for one week?

(A) Increased potassium concentration
(B) Normal concentrations of factors V and VIII
(C) PaCO2 of 40 mmHg
(D) pH of 7.3
(E) 50% Viable platelets

BASIC Transfusions & Fluids

If a patient with excessive bleeding during exploratory laparotomy has a normal activated clotting time, the LEAST likely cause of the bleeding is

(A) antithrombin III deficiency
(B) dilutional thrombocytopenia
(C) fibrinolysis
(D) administration of heparin 5000 units
(E) preoperative ingestion of aspirin

ADVANCED Cardiac

An otherwise healthy 16-year-old girl is undergoing posterior spinal fusion for thoracolumbar scoliosis. During the procedure, the most likely cause of a marked decrease in the amplitude of the somatosensory evoked potentials after stimulation of the posterior tibial nerve is

(A) administration of fentanyl 30 jag /kg for induction
(B) administration of isoflurane 1.3 MAC for maintenance
(C) administration of vecuronium 0.15 mg/kg
(D) a decrease in body temperature from 37 to 35°C
(E) a decrease in cerebrospinal fluid pressure

ADVANCED Equipment & Physics Pediatric Neuro

Which of the following statements best describes "screening" when blood is ordered for type and screen?

(A) Red blood cells are mixed with serum containing known antigens
(B) Red blood cells are mixed with serum from the pool of potential donors
(C) Red blood cells are mixed with red blood cells from the pool of potential donors
(D) Serum is mixed with red blood cells that contain known antigens
(E) Serum is mixed with red blood cells from the pool of potential donors

Each of the following indicates a hemolytic transfusion reaction in an anesthetized patient EXCEPT

(A) bleeding diathesis
(B) wheezing
(C) hypotension
(D) hemoglobinuria
(E) decreased serum haptoglobin concentration

ADVANCED Transfusions & Fluids

Which of the following statements concerning brain stem auditory evoked responses is true?

(A) They monitor cortical function
(B) They are not affected by changes in carbon dioxide tension
(C) They are not affected by mild hypothermia (34°C)
(D) They are more resistant to anesthetic effects than somatosensory evoked responses
(E) They are abolished coincident with flattening of the EEG

ADVANCED Neuro

The most important anesthetic consideration in Pierre Robin syndrome is

(A) anterior tilt of the larynx
(B) hyperplasia of the internal surface of the maxilla
(C) mandibular hypoplasia
(D) hypertrophy of the epiglottis
(E) tracheomalacia

ADVANCED Pediatric

Which of the following best describes cardiomyopathy following therapy with doxorubicin (Adriamycin)?

(A) The initial presentation is concentric hypertrophy
(B) The diagnosis is confirmed by a shortened QT interval
(C) It is exacerbated by hyperoxia
(D) It is resistant to inotropic agents
(E) It: may persist for years after therapy is discontinued

ADVANCED Cardiac

A 20-year-old man with a history of substance abuse is undergoing preoperative evaluation. Which of the following findings suggests current use of cocaine?

(A) Absence of deep tendon reflexes
(B) Bradycardia
(C) Hypertension
(D) Hypothermia
(E) Pinpoint pupils

BASIC Pharmacology & Pharmacokinetics

An adult patient with atrial fibrillation develops pulseless ventricular tachycardia wfiile undergoing synchronized electirical cardioversion. Which of the following is the most appropriate management?

(A) Intravenous administration of adenosine
(B) Intravenous administration of a bolus of lidocaine followed by electrical cardioversion
(C) Immediate repeat synchronized cardioversion at the same energy level
(D) Immediate repeat synchronized cardioversion at twice the previous energy level
(E) Unsynchronized electrical cardioversion

BASIC General Cardiac