Sample Quiz

A 66 year old male is having hypotension during a template biopsy. He is breathing sevoflurane at 1.8% end tidal through an LMA when you decide to turn on nitrous oxide and decrease sevoflurane concentration. In which of the following ways will nitrous oxide alter a person’s physiology?

A 24 year old female with a diagnosis of hidradenitis suppurativa is brought to the operating room for axillary tissue excision. In order to access the surgical site, the surgeon abducts the patient’s arm to 120 degrees. Failure to keep arms at less than a 90 degree angle is associated with what nerve injury?

A 18 month old child has undergone surgery for removal of adenoids and tonsils secondary to obstructive sleep apnea. After thorough suctioning, you remove the endotracheal tube deep and prepare to take the child to postoperative recovery. Twenty seconds after extubation, you note the patient is not moving air and is having retractions while attempting to breathe. You reposition the child’s head and perform a chin lift, but still do not feel any movement of air. The child’s intravenous line is still intact and flowing well. The most appropriate treatment at this time is:

Which of the following is true of the popliteal nerve block?

If 2% lidocaine is used at each of the following sites as an anesthetic, which site will result in the fastest systemic absorption? 

A 62 year old female is suffering from a low systemic vascular resistance with hypotension due to sepsis from an infarcted bowel. She is now being taken to surgery for exploratory laparotomy under inhalational general anesthesia. Which of these volatile agents would cause the LEAST systemic vasodilation in this patient?

A 15 kg patient with 2 hours of NPO requires fluid replacement. Ignoring surgical losses, how much crystalloid should be administered in the second hour after the first administration of fluids?

A 32 year old male weighing 90 kg is undergoing surgery for a lateral internal sphincterotomy. After administration of 200 mg of propofol for induction, a neuromuscular blockade medication is to be administered for facilitation of endotracheal intubation and turning the patient into the prone position. If cisatracurium is to be used for this purpose, what is an appropriate dose that should be administered?

When placing a central venous catheter, what electrocardiographic change may be observed as the tip of the catheter reaches the sinoatrial node?

A 76 year old male with angina is administered a general anesthetic to undergo femoral tibial bypass surgery. Which of the following volatile anesthetics would best be avoided in this patient to prevent coronary artery dilation and myocardial ischemia?

A 23 year old man is turned prone for surgery on his cervical spine. He is placed in a horseshoe headrest and secured prior to prepping and draping. The horseshoe headrest should only support which of the following structures?

A 22 year old male is scheduled for ankle fracture repair after a skateboarding injury. Which of the following nerves should be anesthetized along with the sciatic nerve to achieve surgical anesthesia?

A 32 year old cerebral palsy patient presents to the operating room for dental extraction under general anesthesia. After applying topical and injected local anesthetic, the patient is woken up and sent to the recovery unit. The patient appears particularly sedate in recovery, and after one hour has not returned to baseline neurological status. The nurse also notes the patient’s lips have turned blue and pulse oximetry has decreased to 86% despite oxygen via a non-rebreathing mask and what appears to be adequate ventilation. Which of the following agents is most likely responsible for this clinical condition?