10 Random Questions
Which of the following findings on the left is most likely to be associated with an increased risk of complications with cannulation of the left internal jugular vein compared with cannulation of the right internal jugular vein?
- (A) Longer recurrent laryngeal nerve
- (B) Lower location of the cupola of the pleura
- (C) More acute angle between the internal jugular and innominate veins
- (D) More anterior location of the phrenic nerve
- (E) Presence of the thoracic duct
During isoflurane anesthesia, a 45-year-old patient with chronic asthma has wheezing, prolonged expiration, sinus tachycardia of 120 bpm, and premature ventricular contractions. Preoperative medication included cromolyn and theophylline. The most appropriate treatment is to administer
- (A) albuterol aerosol
- (B) aminophylline by intravenous infusion
- (C) cromolyn aerosol
- (D) halothane
- (E) hydrocortisone by intravenous bolus
The hemodynamic changes shown would most likely result from infusion of
- (A) dopamine
- (B) epinepherine
- (C) dobutamine
- (D) norepinepherine
- (E) isoproterenol
A 70-year-old man with mild hypertension and aortoiliac occlusive disease is undergoing aortofemoral bypass grafting. Which of the following interventions is most effective in maintaining renal perfusion during infrarenal aortic clamping?
- (A) Infusion of dopamine at 2 mcg/kg/min
- (B) Infusion of sodium nitroprusside
- (C) Intravenous administration of furosemide
- (D) Intravenous administration of mannitol
- (E) Volume loading with crystalloid
Pain and spasm due to injury of the deltoid muscle is most effectively relieved by
- (A) axillary block
- (B) cervical sympathetic block
- (C) interscalene brachial plexus block
- (D) paravertebral block at C4
- (E) superficial cervical plexus block
A 35-year-old woman with severe myasthenia gravis is scheduled for thymectomy. Which of the following preoperative pulmonary function tests is most likely to be normal?
- (A) Forced expiratory volume in 1 second (FEV1)
- (B) Forced vital capacity (FVC)
- (C) FEV1/FVC
- (D) Maximum voluntary ventilation
- (E) Peak inspiratory force
Which of the following is most likely in a 30-year-old patient with untreated hypothyroidism?
- (A) Cardiac arrhythmias with ketamine administration
- (B) Decreased ventilatory response to hypoxia
- (C) Hypoglycemia
- (D) Increased MAC of inhalational anesthetics
- (E) Peripheral vasodilatation
Fresh frozen plasma is indicated in each of the following situations EXCEPT
- (A) after rapid transfusion of 1.5 L CPD-stored red blood cells
- (B) antithrombin III deficiency
- (C) replacement of factor VIII
- (D) reversal of warfarin effect
- (E) thrombotic thrombocytopenic purpura
Which of the following is characteristic of soda lime and Baralyme carbon dioxide absorption canisters used in circle systems?
- (A) Calcium carbonate is a major end product
- (B) Carbon dioxide absorption cools the anesthetic gases
- (C) Flushing the canister with oxygen for six hours will regenerate 50% of the spent Baralyme
- (D) Gases lose water vapor as they pass through the canisters
- (E) Soda lime and Baralyme depend on silica as a binding agent
Compared with morphine, a single epidural administration of fentanyl is associated with
- (A) delayed onset of analgesia
- (B) increased incidence of pruritus
- (C) increased incidence of respiratory depression
- (D) longer duration of action
- (E) more restricted segmental spread