• To care for a patient who is under anesthesia and has a known susceptibilityto MH, the
perioperative team members must know which anesthetic agents are triggering and which
agents are nontriggering. Which of these agents are nontriggering for MH and are safe to use
with patients who have or are suspected to have MH?
A. Succinylcholine, nondepolarizing neuromuscular blockers, and IV propofol
B. Ether, ketamine hydrochloride, and barbiturates
C. IV propofol, nitrous oxide, and halothane
D. Barbiturates, IV propofol, and nitrous oxide: D. Barbiturates, IV propofol, andnitrous oxide
• The unscrubbed perioperative team member is assessing the patient for risk factors for MH.
Which of these conditions is an MH risk factor?
A. Hemophilia
B. Myotonia congenita
C. G6PD deficiency
D. Kallmann syndrome: B. Myotonia congenita
• One of the perioperative team members comes into the OR suite to help reconstitute
dantrolene sodium during an MH crisis. This perioperative teammember is using lactated
Ringer solution to reconstitute the dantrolene sodium. What should the unscrubbed perioperative
team member tell this perioperative team member?
A. "You should only use sterile preservative-free water."
B. "Thank you for coming to help us out."
C. "You don't have to assist. We already have too many people."
D. "When you run out of lactated Ringer solution, you can use any othersolution.": A. "You
should only use sterile preservative-free water."
• A patient who had an MH crisis is hyperthermic. Cooling measures havebeen initiated.
, When should active cooling of the patient be stopped?
A. When five rounds of dantrolene are administered
B. When the anesthesia provider says to stop
C. When the patient's temperature reaches 38°C (100.4°F)
D. When 15 minutes have passed after the onset of MH symptoms: C. When thepatient's
temperature reaches 38°C (100.4°F)
• In the postanesthesia care unit, the patient complains of light-headedness, difficulty
swallowing, and weak leg muscles. Which statement regarding thesesymptoms is correct?
A. These are normal symptoms after receiving dantrolene sodium.
B. The practitioner should be contacted for an order for more pain medica-tions.
C. No action is needed because the patient is still under the influence ofanesthesia.
D. The patient needs a drink of water and then will be okay.: A. These are normalsymptoms after
receiving dantrolene sodium.
• The patient's ETCO2 and heart rate begin to rise rapidly during an electiveknee arthroscopy.
What should be done first?
A. Retrieve beta blockers for the anesthesia provider.
B. Retrieve opioid pain medication for the anesthesia provider to treat pain.
C. Retrieve IV fluid for the anesthesia provider to treat hypovolemia.
D. Have the anesthesia provider turn off the triggering anesthetic agents.: D.Have the
anesthesia provider turn off the triggering anesthetic agents.
• The perioperative patient expresses anxiety about an emergency appendec- tomy because
family members have died while under anesthesia. What shouldbe done next?
A. Advise the patient to have a genetic test for MH.
B. Advise the anesthesia provider of the patient's concerns.