Apart from that, the dosage of the drug, its quality, and period and potency play an important role during the drug test. Urine test reveals positive result for 1-7 days. The half-life of drug is just 24-36 hours, and it may remain in your system from 7 hours to 52 hours. Half-life refers to the time taken to eliminate half of the drugâs effect; A drug takes 4-5 half lives to get expelled out of your system completely.
The Passed/Not Passed (P/NP) grading option was designed to encourage students to explore new academic areas or take challenging, far-ranging courses without undue concern about grades. Passed grades require a level of performance at least equal to a letter grade of C-.
Photo: Thinkstock. Most colleges have Pass/Fail classes but not all are created equal. A Pass/Fail course is exactly what it sounds like. Instead of a traditional letter grade based on a numbers system, the student receives a passing grade or a failing grade.Proponents of the Pass/Fail grading system believe that taking the pressure off students to earn an A allows them to take more risks when choosing their course schedule.nstead of a traditional letter grade based on a numbers system, the student receives a passing grade or a failing grade. Proponents of the Pass/Fail grading system believe that taking the pressure off students to earn an A allows them to take more risks when choosing their course schedule.