Anesthesia Hub -

10 Random Questions

Which of the following is the most likely effect of infrarenal cross clamping of the aorta without pharmacologic manipulation?

(A) Decreased cardiac output
(B) Decreased pulmonary artery occlusion pressure
(C) Increased left ventricular stroke volume
(D) Increased renal blood flow
(E) Improved myocardial oxygen supply-demand ratio

ADVANCED General

Which of the following remains normal in an otherwise healthy patient with obesity?

(A) Alveolar PO2
(B) Expiratory reserve volume
(C) Functional residual capacity
(D) Lung compliance
(E) Static lung volumes

BASIC General

In a patient with asthma, which of the following drugs used to treat supraventricular tachycardia is LEAST likely to induce bronchospasm?

(A) Adenosine
(B) Edrophonium
(C) Esmolol
(D) Propranolol
(E) Verapamil

Which of the following findings necessitates the preoperative insertion of a ventricular pacemaker in a 48-year-old man scheduled to undergo cholecystectomy?

(A) Atrial flutter with 3:1 atrioventricular block
(B) Bifascicular (right bundle branch block and left anterior hemiblock) block
(C) Left bundle branch block with first-degree atrioventricular block
(D) Second-degree (Mobitz I) atrioventricular block
(E) Second-degree (Mobitz II) atrioventricular block

ADVANCED Cardiac

The Bain circuit

(A) provides nearly identical delivered and inspired anesthetic concentrations
(B) has the fresh gas flow inlet near the reservoir bag
(C) is a nonrebreathing circuit at any fresh gas flow rate
(D) is most efficient during spontaneous ventilation
(E) has a time constant greater than 1 minute for change in inspired anesthetic concentrations

BASIC Equipment & Physics

The patient at LEAST risk of pulmonary aspiration of gastric contents during induction of anesthesia is

(A) markedly obese and NPO for eight hours
(B) fed black coffee four hours before elective surgery
(C) scheduled for elective cesarean delivery and NPO for 20 hours
(D) NPO for four hours after a full meal
(E) scheduled for elective repair of a hiatus hernia

BASIC General

Diplopia following lumbar puncture with a 25-gauge, 3 1/2-inch needle is the result of

(A) stretching the abducens nerve
(B) pressure on the optic nerve
(C) distortion of the oculomotor nucleus from collapse of the wall of the third ventricle
(D) the severity of the accompanying headache
(E) compensatory cerebral swelling

ADVANCED Regional & Pain

A 62-year-old patient who is undergoing femoral-popliteal arterial bypass grafting during general anesthesia develops supraventricular tachycardia. Heart rate is 165 bpm and blood pressure is 90/50 mmHg. Which of the following is the LEAST appropriate treatment of the tachycardia?

(A) Adenosine
(B) Esmolol
(C) Phenylephrine
(D) Procainamide
(E) Verapamil

Which property of oxygen is detected by the fail-safe device on the anesthesia machine?

(A) Concentration
(B) Flow
(C) Pressure
(D) Partial pressure
(E) Reserve volume

BASIC Equipment & Physics

Which of the following statements concerning cystoscopy in a patient with a spinal cord injury is true?

(A) The risk for autonomic hyperreflexia is lower with injury below T10 than with injury above T10
(B) Anesthesia is unnecessary if the injury is above T7
(C) Ganglionic blockade is ineffective in preventing autonomic hyperreflexia
(D) Spinal anesthesia is contraindicated
(E) Bladder irrigation causes tachycardia