Vocabulary and General Knowledge
The vocabulary section tests both everyday words and terms common in health care settings. A strong vocabulary helps you understand instructions, textbooks, and patient communication. This chapter reviews strategies for defining words, using context, and learning the medical terms that appear most often.
Everyday Vocabulary
Many questions ask for the meaning of common words used in general contexts. Knowing precise definitions and being able to spot synonyms and antonyms is essential. Reading widely builds this kind of word knowledge over time.
Health Care Terms
The HESI A2 includes vocabulary that nurses use daily, such as benign, chronic, and edema. Learning these terms in advance saves time and prevents confusion. Grouping related terms makes them easier to remember.
Using Context Clues
When you do not know a word, the surrounding sentence often provides hints about its meaning. Context clues include definitions, examples, and contrasts within the text. This skill also helps on the reading section.
Word Parts: Roots, Prefixes, and Suffixes
Medical vocabulary is built from Greek and Latin word parts, so learning common roots unlocks many terms. Prefixes change meaning at the front of a word, and suffixes often indicate a condition or procedure. Breaking a word apart can reveal its meaning.
Last updated: July 2026