36 questions match your search.


A 60-year-old man undergoes transurethral resection of a bladder tumor in the lithotomy position with spinal anesthesia. During the procedure the surgeon reports that the patient's right leg is "jumping." This movement is most likely caused by stimulation of which of the following nerves?

BASIC Regional & Pain

Compared with morphine, a single epidural administration of fentanyl is associated with

BASIC Pharmacology & Pharmacokinetics Regional & Pain

A 70-kg patient experiences pain on incision of a thigh abscess. The area around the abscess had been infiltrated with 30 ml of 1% lidocaine in 1:200,000 epinephrine. The local anesthetic was most likely ineffective because of

BASIC Pharmacology & Pharmacokinetics Regional & Pain

Tingling in the fifth finger during spinal anesthesia is associated with anesthesia at which of the following dermatomes?

BASIC Regional & Pain

Epinephrine is less effective in prolonging epidural anesthesia with bupivacaine than epidural anesthesia with lidocaine because

BASIC Pharmacology & Pharmacokinetics Regional & Pain

Spinal anesthesia at a T6 sensory level is most likely to improve cardiac output in patients with

BASIC Cardiac Regional & Pain

Perception of pain from cutaneous sources involves each of the following EXCEPT

BASIC Regional & Pain

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

BASIC Pharmacology & Pharmacokinetics Regional & Pain

A 30-year-old man receives spinal anesthesia to the level of T4. Ten minutes later, heart rate and blood pressure abruptly decrease to 30 bpm and 60/25 mmHg, respectively. The most appropriate management is administration of which of the following drugs?

BASIC General Regional & Pain

A 67-year-old man undergoes a perineal procedure under epidural anesthesia in the lithotomy position with extreme flexion of the thigh at the hip. No sedatives are used, and the surgery is uneventful. Forty-eight hours later, the patient cannot flex his left knee. Which of the following is the most likely cause?

BASIC Regional & Pain

A healthy 24-year-old woman is undergoing knee arthroscopy with spinal anesthesia to a level of T4. Which of the following findings is LEAST likely?

BASIC Regional & Pain

Which of the following statements concerning the innervation of the larynx is true?

BASIC Regional & Pain

Epidural block is safer at the L3-L4 interspace than at the T12-L1 interspace because of the location of the

BASIC Regional & Pain

A subarachnoid block to a sensory level of the second thoracic dermatome is associated with each of the following EXCEPT

BASIC Regional & Pain

Which of the following neural functions demonstrates the highest segmental block after spinal anesthesia?

BASIC Regional & Pain

Which of the following is most responsible for the duration of action of local anesthetics?

BASIC Pharmacology & Pharmacokinetics Regional & Pain

A patient with chronic obstructive pulmonary disease is undergoing spinal anesthesia to a T6 sensory level. The most pronounced effect on pulmonary function will be a decrease in

BASIC Respiratory & Critical Care Regional & Pain

A sensory level of T2 is achieved after administration of spinal anesthesia. Which of the following lung volumes is LEAST likely to be affected?

BASIC Respiratory & Critical Care Regional & Pain

Which of the following is the correct sequence of anatomic structures encountered when using a paramedian approach for lumbar spinal anesthesia?

BASIC Regional & Pain

A 67-year-old man undergoes spinal anesthesia with hyperbaric tetracaine 10 mg for transurethral resection of the prostate. At the end of the 50-minute procedure, the level of anesthesia is T6 and blood pressure is 120/70 mmHg. Within two minutes after transfer to a stretcher, the patient has nausea and blood pressure decreases to 76/42 mmHg. Which of the following is the most likely cause of the acute hypotension?

BASIC Regional & Pain

A 32-year-old man who is addicted to opioids complains of pain in the PACU one hour after fixation of a mandibular fracture. He has received intravenous morphine 30 mg during the past hour. The most appropriate management is

BASIC Regional & Pain

Which of the following statements concerning the superior laryngeal nerve is true?

BASIC Regional & Pain

Compared with morphine 5 mg administered epidurally at T12, morphine 5 mg administered intravenously is associated with

BASIC Pharmacology & Pharmacokinetics Regional & Pain

The most medial of the following components in the antecubital fossa is the

BASIC Regional & Pain

Which of the following is decreased by alkalinization of a 1.5% lidocaine solution?

BASIC Pharmacology & Pharmacokinetics Regional & Pain

The test dose of local anesthetic administered through an epidural needle or catheter should be sufficient to produce

BASIC OB Regional & Pain

Compared with lidocaine, bupivacaine is more likely to cause dysrhythmias because it

BASIC Pharmacology & Pharmacokinetics Regional & Pain

A bilateral superior laryngeal nerve block performed to facilitate fiberoptic intubation will provide anesthesia of the

BASIC General Regional & Pain

A 46-year-old man is scheduled for repair of an inguinal hernia. Six years ago, he had an episode of malignant hyperthermia during cholecystectomy. Which of the following is the most appropriate perioperative management?

BASIC General Regional & Pain

Which of the following is the most likely cause of dyspnea during spinal anesthesia to a T3 sensory level?

BASIC Regional & Pain

Which of the following statements concerning the cardiovascular effects of intravenous bupivacaine is true?

BASIC Pharmacology & Pharmacokinetics Regional & Pain

Which of the following correctly describes the anatomical location of the brachial plexus?

BASIC Regional & Pain

The best premedication regimen for a known active narcotic addict would include

BASIC Pharmacology & Pharmacokinetics Regional & Pain

A patient is undergoing exploration of a stab wound to the left side of the neck. On awake laryngoscopy, the left vocal cord is in midposition and the right vocal cord is abducted during inspiration. The most likely cause of these findings is trauma to which of the following structures on the left?

BASIC Regional & Pain

Which of the following spirometric tests is most likely to be accurate in a patient with severe pain?

BASIC Respiratory & Critical Care Regional & Pain

During attempted awake intubation, the patient gags when the laryngoscope presses on the base of the tongue. Which of the following cranial nerves is responsible for the afferent limb of this reflex?

BASIC Regional & Pain