Anesthesia Hub -

10 Random Questions

After removing the electrocautery pad from the thigh, a burn is noted at that site. Which of the following most likely contributed to this injury?

(A) A line-isolation monitor fault
(B) Current leak from the EKG module
(C) Defective grounding of the electrocautery unit
(D) Dried gel on the electrocautery pad
(E) Excessive current setting for cutting mode

BASIC Equipment & Physics

Miosis, incontinence, excess salivation, and convulsions are toxic effects of

(A) amphetamines
(B) phenothiazines
(C) cocaine
(D) tricyclic antidepressants
(E) organophosphate insecticides

ADVANCED Pharmacology & Pharmacokinetics

Which of the following complications is more likely to occur during cannulation of the left internal jugular vein than during cannulation of the right internal jugular vein?

(A) Injury to the thoracic duct
(B) Injury to the recurrent laryngeal nerve
(C) Injury to the phrenic nerve
(D) Perforation of the esophagus
(E) Pneumothorax

BASIC General

Uterine blood flow is

(A) autoregulated in normal unanesthetized parturients
(B) decreased by the addition of epinephrine 1:200,000 to lidocaine administered epidurally
(C) decreased by intravenous infusion of ritodrine in unanesthetized parturients
(D) increased by administration of magnesium sulfate to patients with preeclampsia
(E) unchanged after paracervical injection of lidocaine without epinephrine

ADVANCED OB

Which of the following fluids will restore circulating blood volume with the smallest infused volume?

(A) Albumin 25%
(B) Dextrose 5% in saline solution 0.45%
(C) Hydroxyethyl starch 6%
(D) Lactated Ringer's solution
(E) Type-specific whole blood

During prolonged labor, a fetal scalp blood sample shows a PO2 of 21 mmHg, a PCO2 of 46 mmHg, and a pH of 7.35. These findings suggest

(A) fetal hypoxemia
(B) maternal hypoventilation
(C) sampling of venous blood
(D) miscalibration of the oxygen electrode
(E) no abnormality

ADVANCED Pediatric

In patients with renal failure, which of the following muscle relaxants has the most prolonged elimination half-life?

(A) Atracurium
(B) Pancuronium
(C) Succinylcholine
(D) d-Tubocurarine
(E) Vecuronium

BASIC Pharmacology & Pharmacokinetics

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 62-year-old woman with polycythemia vera is scheduled to undergo total knee arthroplasty using a tourniquet. Preoperative hematocrit is 60%. Which of the following is the most appropriate action?

(A) Perform total knee arthroplasty without use of a tourniquet
(B) Preoperative reduction of the hematocrit to 45% to 50%
(C) Prophylactic administration of aprotonin during surgery
(D) Prophylactic administration of epsilon-aminocaproic acid during surgery
(E) Prophylactic administration of low-dose heparin during surgery

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