Anesthesia Hub -

10 Random Questions

To predict the requirement for isoflurane in milliliters of vapor per minute during closed circuit anesthesia, each of the following is necessary EXCEPT

(A) cardiac output
(B) oxygen consumption
(C) MAC of isoflurane
(D) duration of administration
(E) blood-gas partition coefficient

BASIC Pharmacology & Pharmacokinetics

Addition of 20 cmH2O positive end-expiratory pressure to a patient receiving controlled mechanical ventilation decreases cardiac output and left ventricular function by

(A) increasing right ventricular preload
(B) increasing right ventricular afterload
(C) increasing left ventricular preload
(D) increasing left ventricular afterload
(E) producing myocardial ischemia

BASIC Respiratory & Critical Care General Cardiac

The concentration effect is greater with nitrous oxide than with the volatile anesthetics because nitrous oxide

(A) has a lower blood-gas partition coefficient
(B) has less effect on cardiac output (0 has lower lipid solubility
(D) is affected less by ventilation-perfusion mismatch
(E) is used in much higher concentrations

Which of the following nerves is most likely to be injured by a fracture of the shaft of the humerus?

(A) Axillary
(B) Median
(C) Musculocutaneous
(D) Radial
(E) Ulnar

ADVANCED Regional & Pain

During induced hypotension for clipping of a cerebral aneurysm in a 20-degree head-up position, the arterial pressure transducer should be zero referenced at which level?

(A) External auditory meatus
(B) Midaxillary line at the fifth intercostal space
(C) Sternal notch
(D) Thyroid cartilage
(E) Top of the cranium

To predict the requirement for isoflurane in milliliters of vapor per minute during closed circuit anesthesia, each of the following is necessary EXCEPT

(A) cardiac output
(B) oxygen consumption
(C) MAC of isoflurane
(D) duration of administration
(E) blood-gas partition coefficient

BASIC Pharmacology & Pharmacokinetics

During general anesthesia, a patient has the acute onset of atrial fibrillation with rapid ventricular response and hypotension to 50 mmHg systolic. The most appropriate treatment is

(A) cardioversion
(B) digoxin
(C) esmolol
(D) ouabain
(E) verapamil

BASIC General

Which of the following is a potentially beneficial effect of ketamine used for induction of anesthesia?

(A) Analgesia
(B) Attenuation of respiratory response to carbon dioxide
(C) Decreased cerebral metabolic rate
(D) Increased stroke volume in patients with hemorrhagic shock
(E) Preservation of laryngeal reflexes

BASIC Pharmacology & Pharmacokinetics

The EEG begins to flatten during carotid endarterectomy when regional cerebral blood flow (in ml/min/100 g brain) decreases to

(A) 55
(B) 45
(C) 30
(D) 20
(E) 10

ADVANCED Neuro

The use of glycine as irrigating solution during transurethral resection of the prostate could be associated with each of the following EXCEPT

(A) ammonia toxicity
(B) coma
(C) hemolysis
(D) hyponatremia
(E) transient blindness

ADVANCED General