Anesthesia Hub -

10 Random Questions

Which of the following complications is the primary cause of neurologic deficit following carotid endarterectomy?

(A) Global hypoperfusion
(B) Hypertension
(C) Hypotension
(D) Improper shunt insertion
(E) Thromboembolism

ADVANCED General

Which of the following statements concerning cerebral vasospasm following intracranial hemorrhage is true?

(A) It is accompanied by paradoxical intracranial hypotension
(B) It responds to nitroprusside therapy
(C) It persists more than 48 hours after hemorrhage
(D) It is exacerbated by intravascular volume expansion
(E) It is confirmed by ST-T wave changes in the absence of myocardial ischemia

A 25-year-old woman undergoes a difficult open cholecystectomy during anesthesia with isoflurane, nitrous oxide, fentanyl, and vecuronium. Five units of blood are administered intraoperatively. Two days later, the patient has mildly increased serum transaminase concentrations and markedly increased alkaline phosphatase and direct bilirubin concentrations. Which of the following is the most likely cause?

(A) Acute viral hepatitis
(B) Hemolysis
(C) Isoflurane-induced liver dysfunction
(D) Retained common duct stone
(E) Sepsis

ADVANCED General

Which of the following findings is most likely in patients with acute transection of the spinal cord at the level of C6?

(A) Autonomic hyperreflexia
(B) Hyperkalemia with administration of succinylcholine
(C) Hypotension
(D) Increased pulmonary blood flow
(E) Tachycardia

ADVANCED General Neuro

In patients with blunt head trauma, cerebral perfusion pressure is determined by the gradient between

(A) diastolic pressure and central venous pressure
(B) intracranial pressure and central venous pressure
(C) mean arterial pressure and central venous pressure
(D) mean arterial pressure and intracranial pressure
(E) systolic pressure and intracranial pressure

BASIC Neuro

A 1-month-old infant becomes hypoxemic faster during apnea than an adult. Which of the following is the primary cause of this difference?

(A) Functional residual capacity in an infant is half that of an adult
(B) Metabolic rate in an infant is twice that of an adult
(C) Resting PaO2 in an infant is lower than that in an adult
(D) The number of alveoli in an infant is 12% the number in an adult
(E) The hemoglobin dissociation curve in an infant is shifted to the right

ADVANCED Respiratory & Critical Care Pediatric

A 52-year-old man develops oliguria 24 hours after left hemicolectomy. Urinalysis shows a specific gravity of 1.028, an osmolality of 650 mOsm/L, and a sodium concentration of 10 mEq/L. Which of the following is the most likely diagnosis?

(A) Acute tubular necrosis
(B) Hypoaldosteronism
(C) Hypovolemia
(D) Interstitial renal disease
(E) Obstructive uropathy

Which of the following is the most likely cause of the increased incidence of right ventricular failure in patients with morbid obesity?

(A) Chronic hypoxia
(B) Chronic silent pulmonary aspiration
(C) Chronic silent subendocardial ischemia
(D) Decreased vital capacity
(E) Increased pulmonary blood flow

BASIC Respiratory & Critical Care General

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

An infant with congenital lobar emphysema is scheduled for thoracotomy. Which of the following should be included in the anesthetic management of this infant?

(A) Helium-oxygen inspired gas mixture
(B) Nitrous oxide administration
(C) Positive pressure ventilation
(D) Prophylactic placement of a chest tube
(E) Spontaneous ventilation until the chest is opened

ADVANCED Pediatric