Linguistic Root Words and Prefixes: TEAS Practice Question with Answer & Explanation

Understanding the Prefix "Pro-"

On the TEAS 7 English and Language Usage section, you are expected to identify the meanings of common Greek and Latin prefixes, suffixes, and roots. This skill is vital for nursing students because much of medical terminology is built using these linguistic building blocks.

In the words prognosis, proceed, and prologue, the prefix pro- means "before," "forward," or "early."

Breakdown of the Correct Answer

• Prognosis: Pro- (before) + gnosis (knowledge). It refers to "foreknowledge" of how a disease will likely progress.
• Proceed: Pro- (forward) + cedere (to go). It means to move forward.
• Prologue: Pro- (before) + logos (discourse). It is the speech or section that comes before the main body of a book or play.

Why the Other Options Are Incorrect

• Against: This is the definition of the prefix anti- (e.g., antibiotic, anticoagulant).
• Under: This is the definition of the prefix hypo- or sub- (e.g., hypodermic, subcutaneous).
• Again: This is the definition of the prefix re- (e.g., relapse, reexamine).

TEAS Concept: Word Parts and Medical Context

The TEAS exam frequently tests prefixes that indicate direction, location, or time.

• Directional/Time Prefixes: Pre- (before), Post- (after), Pro- (forward/before), Retro- (backward).
• Quantity Prefixes: Mono- (one), Poly- (many), Hyper- (excessive).

Understanding these prefixes allows you to "decode" unfamiliar words in a clinical setting. For example, if you know pro- means before and gnosis means knowledge, you can deduce that a "prognosis" happens before the actual outcome of the illness is known.

Nursing Study Tip

Think of "Pro" as being "Pro-active." When you are proactive, you take action before a problem occurs. This can help you remember that pro- often relates to things happening early or in a forward direction.