Anesthesia Hub -

10 Random Questions

At equipotent doses, which of the following opioids is most likely to migrate cephalad in cerebrospinal fluid after epidural administration?

(A) Fentanyl
(B) Hydromorphone
(C) Meperidine
(D) Morphine
(E) Sufentanil

BASIC Pharmacology & Pharmacokinetics Regional & Pain

Immediately after a retrobulbar block for cataract surgery, the eye grossly protrudes and the patient has the sensation of pressure in the eye. The most appropriate initial intervention is

(A) hyperventilation
(B) surgical drainage of a hematoma
(C) manual compression of the globe
(D) administration of atropine intravenously
(E) administration of mannitol intravenously

ADVANCED Regional & Pain

The decrease in hematocrit that accompanies acute major blood loss results from

(A) decreased capillary hydrostatic pressure
(B) increased capillary oncotic pressure
(C) decreased interstitial fluid oncotic pressure
(D) increased interstitial fluid hydrostatic pressure
(E) decreased viscosity of the flowing blood

Each of the following conditions is associated with autonomic hyperreflexia in patients with spinal cord injury EXCEPT

(A) bradycardia
(B) flushing below the level of injury
(C) headache
(D) sweating above the level of injury
(E) systolic hypertension

ADVANCED General

The most likely effect of a celiac plexus block for an abdominal operation is

(A) bowel distention
(B) hypotension
(C) incisional analgesia
(D) muscle relaxation
(E) urinary retention

ADVANCED Regional & Pain

Which of the following statements regarding carbon monoxide poisoning is true?

(A) Breathing 100% oxygen at 1 atmosphere reduces the carboxyhemoglobin half-life
(B) Effective treatment includes administration of methylene blue
(C) It is commonly associated with respiratory acidosis
(D) It is incompatible with a normal Sp02 while breathing room air
(E) The oxyhemoglobin dissociation curve is shifted to the right

ADVANCED Respiratory & Critical Care General

If minute ventilation is held constant, which of the following is LEAST likely to alter PaCO2?

(A) General anesthesia
(B) Hypothermia
(C) Increased dead space
(D) Increased pulmonary shunt
(E) Induced hypotension

BASIC Respiratory & Critical Care

The syndrome of inappropriate ADH secretion is characterized by

(A) ADH secretion unrelated to serum osmolality
(B) decreased ADH secretion in response to hypovolemia
(C) highly dilute urine
(D) hypernatremia
(E) negative water balance

ADVANCED General

A 45-year-old patient with chronic alcoholism develops jaundice four days after a cholecystectomy under halothane/morphine general anesthesia. Bilirubin and alkaline phosphatase are elevated, but ALT is only slightly above normal. All values were within normal limits preoperatively. The most likely cause of jaundice is

(A) opioid-induced spasm of the sphincter of Oddi
(B) hepatic dysfunction secondary to halothane exposure
(C) worsening of underlying chronic hepatitis
(D) extrahepatic biliary obstruction
(E) acute viral hepatitis

ADVANCED General

A 26-year-old man who sustained multiple trauma undergoes open reduction and internal fixation of bilateral tibial-fibular fractures during anesthesia with isoflurane. nitrous oxide, and oxygen with positive pressure ventilation. During the procedure, the patient has sudden onset of hypotension, jugular venous distention, deviation of the trachea to the right, and decreased ventilatory compliance. Isoflurane is discontinued and 100% oxygen is administered. Which of the following is the most appropriate next step in management?

(A) Chest x-ray
(B) Blood tranfusion
(C) Subxiphoid pericardiocentesis
(D) Fiberoptic bronchoscopy
(E) Left chest needle thoracostomy

BASIC General