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Q: What happens in the depolarization of a nerve?
(A). Sodium ions exit the nerve membrane(B). Sodium ions enter the nerve membrane(C). Both sodium ions and potassium ions enter the nerve membrane(D). Both sodium ions and potassium ions exit the nerve membraneKeyword: depolarizationNerve conduction (and recovery) follows the steps of...  Read More
What is the active ingredient of Arestin?
What is the active ingredient of Arestin? Doxycycline hyclate Chlorhexidine Minocycline All of the above combinedAnswer: C. MinocyclineThe following are some of the most commonly-used locally-applied antimicrobial agents, along with their active ingredients:- Arestin - minocycline (a...  Read More
The scores of 15 dental hygiene students are: 80, 85, 67, 90, 86, 87, 85, 90, 83, 75, 89, 82, 82, 88, and 85. What is the mode?
The scores of 15 dental hygiene students are: 80, 85, 67, 90, 86, 87, 85, 90, 83, 75, 89, 82, 82, 88, and 85. What is the mode? 75 80 85 90Answer: C. 85Mode is the value that is most frequently observed. In this case, 85 is observed 3 times.Median is the number that separates the data...  Read More
Solar cheilitis is most likely to appear in,
Solar cheilitis is most likely to appear in, Immunocompromised patients Dark-skinned adults Patients undergoing cancer therapy Fair-skinned adultsAnswer: D. Fair skinned adultsSolar cheilitis, also called actinic cheilitis usually occurs in fair-skinned individuals. The cause is related...  Read More
5 Strategies to help you pass the National Dental Hygiene Board Examination
What can you do tomaximize your chances of succeeding at your regional and ?Here are 5 strategies that have proven to work with students I mentoredat, and I would liketo share them with you so you can also successfully pass all of yourexaminations.1.Findthe key words in the question (at all...  Read More

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