Final answer:
In the treatment of VT with pulses, the correct dosing for magnesium sulfate is a) 2 grams IV bolus over 2 minutes.
Step-by-step explanation:
Magnesium sulfate is commonly used in the treatment of ventricular tachycardia (VT) with pulses. The correct dosing for magnesium sulfate in this situation is a) 2 grams IV bolus over 2 minutes. This means that 2 grams of magnesium sulfate is administered intravenously over a period of 2 minutes to the patient. This helps to stabilize the heart rhythm and improve cardiac function.