Study guide
5.5 Vocabulary in Context and Word Parts
ATI TEAS 7 Nursing Admission
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1 Introduction to the ATI TEAS 7
1.1 About the ATI TEAS 7 Exam 1.2 Content Area Breakdown 1.3 Scoring and Program Requirements 1.4 Building Your TEAS Study Plan
2 Reading
2.1 Identifying the Main Idea 2.2 Making Inferences and Drawing Conclusions 2.3 Summarizing and Paraphrasing 2.4 Understanding Text Structure 2.5 Author's Purpose, Tone, and Point of View 2.6 Evaluating Arguments, Evidence, and Credibility 2.7 Integrating Information and Interpreting Graphics 2.8 TEAS Reading Strategies, Pacing, and Practice
3 Mathematics
3.1 Whole Numbers and Basic Operations 3.2 Fractions 3.3 Decimals and Percentages 3.4 Ratios and Proportions 3.5 Algebra and Equations 3.6 Measurement and Unit Conversions 3.7 Statistics and Data Interpretation 3.8 Geometry Basics
4 Science
4.1 The Cardiovascular System 4.2 The Respiratory System 4.3 The Digestive System 4.4 The Nervous System 4.5 The Musculoskeletal System 4.6 The Urinary and Reproductive Systems 4.7 Cell Biology and Genetics 4.8 Chemistry Basics 4.9 Scientific Reasoning and the Scientific Method
5 English & Language Usage
5.1 Grammar and the Parts of Speech 5.2 Sentence Structure 5.3 Punctuation 5.4 Spelling and Word Usage 5.5 Vocabulary in Context and Word Parts 5.6 Paragraph Organization and the Writing Process 5.7 Formal vs. Informal Language, Audience, and Tone 5.8 TEAS English Section Strategies and Pacing
5.5 Vocabulary in Context and Word Parts
Key Takeaways Explain This Topic AI
Five context-clue types are tested: definition, synonym, antonym, example, and inference (general sense of the passage).
Signal words flag clues: "or"/"means" (definition/synonym), "unlike"/"however" (antonym), "such as"/"including" (example).
English words combine prefix + root + suffix; decoding parts narrows meaning even when the whole word is unfamiliar.
Medical roots matter: cardi/o = heart, hemat/o = blood, nephr/o = kidney, pneum/o = lung; affixes hyper- (high), hypo- (low), -itis (inflammation), -ectomy (removal).
Distinguish denotation (dictionary meaning) from connotation (the positive, negative, or neutral feeling a word carries).
Last updated: October 2026
Determining Word Meaning on the TEAS
The Vocabulary Acquisition sub-area asks you to find the meaning of an unfamiliar word using only the resources available inside the test: the sentence around the word and the word's own structure. You are never given a dictionary, so the TEAS rewards two transferable skills—reading context clues and breaking a word into word parts . Both skills carry directly into nursing school, where you will meet hundreds of new clinical terms and must infer their meaning under time pressure.
A context clue is information elsewhere in the sentence (or nearby sentences) that hints at what an unfamiliar word means. Context clues come in five recognizable types, each often introduced by predictable signal words .
The Five Context-Clue Types
Clue type How it works Signal words Example
Definition The word is defined right in the sentence is, means, refers to, defined as The tibia , the larger bone of the lower leg, fractured.
Synonym A familiar same-meaning word is supplied or, in other words, also, that is She felt lethargic , or sluggish, all afternoon.
Antonym A contrasting word reveals the opposite unlike, however, but, whereas Unlike his taciturn sister, he chatted constantly.
Example Listed examples illustrate the category such as, including, for example, like Analgesics such as ibuprofen and aspirin relieve pain.
Inference No direct clue—general sense of the passage (none; reason from context) After three days without food, the patient was ravenous .
The inference type is the trickiest because nothing labels the answer. You must combine the situation described (three days without food) with logic to conclude that ravenous means "extremely hungry."
Building Meaning from Word Parts
Many English words—including science and medical vocabulary—are assembled from Greek and Latin building blocks. A word has up to three parts:
Prefix — added to the front; changes meaning or direction (e.g., hyper- = above/excessive).
Root (or base) — carries the core meaning (e.g., cardi = heart).
Suffix — added to the end; often signals the part of speech or a condition/procedure (e.g., -itis = inflammation).
Decode hypertension : hyper- (high) + tens (pressure/tension) + -ion (state of) = a state of high pressure, i.e., high blood pressure. You can reason to the meaning without ever memorizing the whole word.
Key Prefixes
- Prefix Meaning Example
- hyper- excessive, high hyperthermia, hyperglycemia
- hypo- under, low hypotension, hypothyroid
- a-/an- without, lack of anemia, aseptic
- brady- slow bradycardia
- tachy- fast tachycardia
- dys- difficult, painful dysphagia, dyspnea
- inter- between intercostal, intervene
- intra- within intravenous, intramuscular
- Key Roots
- Root Meaning Example
- cardi/o heart cardiac, electrocardiogram
- hemat/o, hem/o blood hematology, hemorrhage
- nephr/o, ren/o kidney nephritis, renal
- pneum/o, pulmon/o lung, air pneumonia, pulmonary
- derm/o, dermat/o skin dermatitis, epidermis
- oste/o bone osteoporosis, osteoarthritis
- neur/o nerve neurology, neuron
- gastr/o stomach gastritis, gastrointestinal
- Key Suffixes
- Suffix Meaning Example
- itis inflammation tonsillitis, arthritis
- ectomy surgical removal appendectomy
- ology study of cardiology
- osis abnormal condition thrombosis, necrosis
- emia blood condition anemia, leukemia
- pnea breathing apnea, dyspnea
Watch the hypo-/hyper- pair carefully; make sure you can tell hypotension (low pressure) from hypertension (high pressure). The difference is one prefix.
Connotation vs. Denotation
A single dictionary meaning is the denotation . The emotional shading a word carries is its connotation , which may be positive, negative, or neutral even when two words share a denotation.
- Neutral Positive connotation Negative connotation
- thin slender scrawny
- inexpensive affordable cheap
- confident assured arrogant
- curious inquisitive nosy
- childlike youthful immature
When a question asks which word an author should choose to praise or criticize, the connotation—not the bare definition—decides the answer.
A Step-by-Step Approach to Vocabulary Items
Read the whole sentence , not just the underlined word—the clue often follows the word.
Scan for a signal word (or, unlike, such as) to identify the clue type.
Break the word into parts if no context clue appears; a known prefix or root narrows the field.
Substitute each answer choice into the sentence and reject any that change the meaning.
Check connotation when two choices both "fit"—pick the one whose tone matches the sentence.
Worked example: "Despite the surgeon's meticulous preparation—every instrument counted, every surface sterilized—the procedure still ran long." What does meticulous mean?
Step 1–2: No "or"/"unlike" signal, but the dashes introduce examples (counting instruments, sterilizing surfaces). That is the example clue type. Step 3: No obvious Greek root, so lean on the examples. Step 4: Substitute candidates—"careless" contradicts the examples; "rushed" contradicts "every... every"; "extremely careful and precise" fits perfectly. Answer: meticulous = showing great attention to detail. The example clue, not memorized vocabulary, delivers the answer.