Anesthesia Hub -

10 Random Questions

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

After the bronchial and tracheal cuffs of a right endobronchial tube are inflated, ventilation through the tracheal lumen is not possible. This finding is most consistent with

(A) cuff occlusion of the right upper lobe bronchus
(B) intubation of the left bronchus
(C) left-sided tension pneumothorax
(D) overinflation of the bronchial cuff
(E) positioning of both cuffs in the trachea

ADVANCED Equipment & Physics Respiratory & Critical Care

The induction dose of thiopental should be decreased in each of the following situations EXCEPT

(A) age greater than 70 years
(B) cardiogenic shock
(C) decreased hepatic blood flow
(D) hypoalbuminemia
(E) hypothyroidism

Which of the following best explains the decreased effect of hyperventilation on cerebral blood flow when PaCO2 decreases below 20 mmHg?

(A) Maximal constriction of cerebral vessels
(B) Decreased cerebral perfusion pressure
(C) Decreased cerebral metabolic rate for oxygen
(D) Increased cardiac output
(E) Increased cerebrospinal fluid pressure

BASIC Neuro

Compared with thiopental, methohexital is characterized by

(A) better absorption after rectal administration
(B) greater protein binding
(C) greater hepatic clearance
(D) larger volume of distribution
(E) more complete biotransformation

BASIC Pharmacology & Pharmacokinetics

A 60-kg, 17-year-old girl with severe idiopathic scoliosis is scheduled for Harrington rod fixation. Which of the following respiratory parameters is compatible with this disorder?

(A) Alveolar-to-arterial oxygen tension difference (A-aDO2) less than 100 mmHg while breathing pure oxygen
(B) FEV1/FVC ratio less than 50%
(C) Forced vital capacity less than 2000 ml
(D) Intrapulmonary shunt less than 10%
(E) Normal pulmonary vascular resistance

ADVANCED Respiratory & Critical Care Pediatric

A 55-year-old patient with hypertrophic cardiomyopathy (IHSS) is undergoing bladder suspension with enflurane 1%, nitrous oxide 50%, and oxygen 50%. Junctional tachycardia and hypotension develop suddenly immediately after skin incision. The most appropriate management is to

(A) decrease enflurane concentration
(B) administer an intravenous fluid bolus
(C) administer intravenous esmolol
(D) administer intravenous phenylephrine
(E) begin nitroglycerin infusion

The most medial of the following components in the antecubital fossa is the

(A) brachial artery
(B) brachioradialis muscle
(C) cephalic vein
(D) median nerve
(E) radial nerve

BASIC Regional & Pain

A 50-year-old patient undergoes subtotal thyroidectomy for Graves' disease. In the immediate postoperative period, he has marked hoarseness but no stridor. The most likely cause of the hoarseness is trauma to the

(A) external branch of the superior laryngeal nerve
(B) internal branch of the superior laryngeal nerve
(C) recurrent laryngeal nerve
(D) glossopharyngeal nerve
(E) vocal cords

ADVANCED General

Static lung compliance is decreased by each of the following EXCEPT

(A) pulmonary emphysema
(B) congestive heart failure
(C) adult respiratory distress syndrome
(D) pulmonary fibrosis
(E) inhalation anesthesia