Master Canadian Nursing Abbreviations 2026 - Free Nursing Abbreviation Practice Questions and Study Guide

HTN is short for Hypertension, which is the medical term for high blood pressure. This is a condition where the force of blood against the artery walls is consistently too high, which can lead to serious health issues such as heart disease, stroke, or kidney failure.

The other options may sound similar to Hypertension, but they are not related to blood pressure or HTN at all. Hyperthyroidism Neutropenia is a combination of two medical conditions - an overactive thyroid gland and an abnormally low number of neutrophils (a type of white blood cell). Hemolysis Threshold Number is not a recognized medical term, and neither is Histotechnology Number, which sounds like it may have something to do with laboratory testing.