Allied Health CNA Practice Test 2026 – Your Complete All-in-One Guide to Nursing Assistant Certification Success!

q in a dosage schedule tells you how often to give a dose. It comes from the Latin word quaque, meaning every. So when you see q4h, it means every four hours, and qhs means every night at bedtime. It’s about frequency, not speed of administration, the amount to give, or the quality of the drug. Therefore, it indicates Every.