Suppose that the order is 400 mg iv q8h starting immediately. if the drug has a half life of 8 hours, what is the approximate number of milligrams present in the patient’s system at the end of 24 hours?

50mg is what's left.

N0 = 400mg

Time (t) = 24hrs

halflife t1/2 = 8

What's left = N1

it should be

answer: b. complete secondary assessment (detailed physical exam).

after you finished the primary assessment, you must proceed with the assessment by performing a complete detailed physical examination.

this secondary assessment includes a focused on patient’s history, vital signs and a specific and rapid examination of the entire body especially on the injuries acquired from the motor vehicle accident and the patient’s medical complaint.