This question-specific review guide is tied to the answer reasoning for a PracticeTestVault item. Use it after you answer the question so the review stays focused on what the prompt actually tested.
What this question is testing
Objective: Recognize the effect of polishing on the enamel pellicle
Prompt focus: Coronal polishing temporarily removes the acquired pellicle from the enamel. The pellicle is best described as which of the following?
Why the correct answer works
A thin protein film from saliva that reforms on the tooth surface within hours
The acquired pellicle is a thin salivary protein film that reforms on the tooth surface within hours after polishing.
Why the tempting wrong answer fails
The tempting wrong answer usually loses because it skips the key condition, priority, or evidence in the prompt.
Plain-language takeaway
The acquired pellicle is a thin, organic film of salivary proteins and glycoproteins that coats the tooth. Polishing removes it, but it naturally reforms within hours as saliva again contacts the enamel.
Simple analogy
Think of recognize the effect of polishing on the enamel pellicle like following a short checklist: identify the clue, confirm the rule, and then make the move that fits this exact scenario.
How to review it before a retake
- Underline the command word and name what the question is asking before rereading the choices.
- Compare the correct answer against the closest distractor and write the exact detail that separates them.
- Retest this objective with a fresh question without looking at the rationale first.