TNCC Exam 8th edition study

TNCC Exam 8th edition study 1.What is the effect of hypothermia on the oxyhemoglobin dissociation curve - CORRECT ANSWER Hemoglobin does not readily release oxygen for use by the tissues A shift to the left occurs in an environment of low metabolic demand (hypothermia, hypocapnia, alkalosis), increasing hemoglobin's affinity for oxygen. EMS arrives with the intoxicated driver of a car involved in a motor vehicle crash. EMS reports significant damage to the driver's side of the car. The patient is asking to have the cervical collar removed. When it is appropriate to remove the cervical collar? - CORRECT ANSWER After a physical examination if the patient has no radiologic abnormalities on CT A CT is recommended for spinal clearance in an impaired patient. The nurse is caring for a 120 kg male brought in after a warehouse fire and is calculating the patient's fluid resuscitation needs. He has painful red blistering to the entire surface of both upper extremities and superficial burns to the anterior chest. Using the modified Lund and Browder chart to calculate the total body surface area burned, how much IV fluid would be administered in the first 8 hours? - CORRECT ANSWER 2280 mL Both upper arms = 8%, both lower arms = 6%, and both hands = 5%, yielding 19 * 2 * 120 = 4560 mL. Half of the total is equal to 2280 mL.