Easily Confused Clinical TermsHESI A2 cheat sheet

Pairs that look alike

8 key facts 5 practice questions Reviewed Oct 2026

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Look-Alikes

hypoglycemia (low sugar) vs hyperglycemia (high)
ileum (intestine) vs ilium (hip bone)
perineal (pelvic floor) vs peroneal (lower leg)

Meaning Pairs

dysphagia difficulty swallowing vs dysphasia difficulty speaking
mucus (noun) vs mucous (adjective)

Direction

afferent carries toward · efferent carries away
anterior front · posterior back

Caution

One letter changes the body part — read the whole word, not the first syllable

Key takeaway

Pairs that look alike

Before you read

Test yourself first: 5 questions

Question 1 of 5

'Preceding' events are those that:

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