Sodium bicarbonate should be considered in arrests caused by: Tricyclic overdose, hyperkalemia, and preexisting metabolic acidosis
In the treatment of an 80-kg adult in ventricular tachycardia with a pulse, which of the following schedules of lidocaine is preferred?
A. 80 mg IV bolus followed by an infusion at 2? mg/min
B. 160 mg IV bolus every 10 minutes up to a total of 500 mg
C. 160 mg IV bolus followed by an infusion at 6 mg/min
D. 400 mg IV bolus followed by an infusion at 1? mg/min

You arrive on-scene to find CPR in progress. Nursing staff report that the patient was recovering from a pulmonary embolism and suddenly collapsed. There is no pulse or spontaneous respirations. High-quality CPR is in progress, and effective ventilation is being provided with bag-mask. An IV has been initiated. You would now
A. Initiate transcutaneous pacing
B. Give epinephrine 1.0 mg IV
C. Order immediate endotracheal intubation
D. Give atropine 0.5 mg IV
E. Give atropine 1 mg IV
T/F: Core rewarming is indicated in the treatment of moderate hypothermia.
A. False
B. True
A patient with a possible acute coronary syndrome has ongoing chest discomfort unresponsive to 3 sublingual nitroglycerin tablets. There are no contraindications and 4 mg of morphine sulfate was administered. Shortly, blood pressure falls to 88/60 mmHg and the patient complains of increased chest discomfort. You would:
A. Give nitroglycerin 0.4 mg sublingually
B. Give normal saline 250 ml_ to 500 ml_ fluid bolus
C. Start dopamine at 2 ug/kg per minute and titrate to BP 100 mmHg systolic
D. Give an additional 2 mg of morphine sulfate
A patient complains of shortness of breath and chest pain radiating to the neck. Blood pressure is 80/50 mm Hg and the respiratory rate is 40 per minute. Oxygen and an IV has been started. The monitor shows the following rhythm. What should the next treatment be?

A. carotid massage
B. lidocaine
C. sedation, then synchronized cardioversion
D. adenosine
FILL BLANK
In what type of rhythm may lidocaine be lethal?
A. Idioventricular rhythm or complete heart block
SIMULATION
Describe the function of the left atrium.
A. The left atrium receives blood from the pulmonary veins located in the lungs and pumps oxygenated blood to the left ventricle.
FILL BLANK
Identify the condition in which a patient's heat gained exceeds the patient's heat loss.
A. Hyperthermia
SIMULATION Define negligence.
A. Negligence is the deviation from the accepted standard of care resulting in further injury to the patient.
SIMULATION
What precautions should you take in ventilating a patient with suspected trauma or neck injury?
A. Immobilize the head and neck. Have an assistant immobilize or immobilize between your knees.