NBDHE Practice Test 3: Questions and Answers for 2024, Exams of Dentistry

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NBDHE practice test 3 2024 actual

questions and answers

What is the mechanism of action for fluoride rinses? - Correct answer Retained in the saliva and dental plaque to reduce caries Which type of bacteria produces higher amounts of acid from sugars than other bacterial types? - Correct answer Streptococcus mutans Which bacteria colonize the mouth of humans a few hours after birth? - Correct answer Streptococcus salivarius Which one of the following is NOT one of the most common viridans organism? - Correct answer Staphylococcus aureus Which bacteria is NOT a microaerophilic bacteria? - Correct answer Staphylococcus Which type of microorganism is the most important pathogen for periodontal disease? - Correct answer Porphyromonas gingivalis Which cell is present in the first line of defense in the immune system? - Correct answer Polymorphonuclear neutrophils If a patient has phenylketonuria (PKU), which one of the following sweeteners are they not able to consume? - Correct answer Equal Which of the following minerals is a macromineral? - Correct answer Sodium

Which of the following is not considered a specific consequence of smoking? - Correct answer More likely to develop aphthous ulcers Which method of sterilization is recommended for metal instruments? - Correct answer Dry heat An 18-year-old female patient was previously using chlorhexidine. What color stain can you expect to find on her teeth? - Correct answer Yellow-brown Where is fluoride rapidly absorbed? - Correct answer Stomach and small intestine If a patient ingests a toxic dose of fluoride (over 5 mg, but less than 15 mg), what is the first step that should be taken? - Correct answer Induce vomiting Which power-driven scaler uses only an elliptical stroke? - Correct answer Sonic scaler Which bacterium is associated with root caries? - Correct answer Actinomyces viscosus A patient with a blood pressure of 160/100 mm Hg is experiencing what? - Correct answer Stage 2 hypertension A local church group donates money to the dental clinic and specifies that the money must go to purchasing toothbrushes. What type of grant was used? - Correct answer Line item grant At which stage does the dental lamina grow into the connective tissue at 20 different places to form the primary teeth? - Correct answer Bud stage

During which week(s) does the palate form? - Correct answer 6-12 weeks What type of fluid does the Stensen's duct secrete? - Correct answer Serous fluid only How many bones does the orbit consist of? - Correct answer 7 bones During what weeks does the palate develop while in utero? - Correct answer 7-11 weeks What function does the lateral pterygoid serve? - Correct answer Depress the mandible Which tooth is most likely to exhibit lingual caries? - Correct answer Maxillary lateral incisor Kaposi's sarcoma is also referred to as what viral, ulcerative lesion? - Correct answer Human Herpes Virus 8 (HHV-8) What type of salivary lesion results from an obstruction of the Wharton's duct? - Correct answer Ranula Which tooth has the largest width of attached gingiva? - Correct answer Maxillary anteriors Local anesthetics are administered through which route? - Correct answer Subcutaneous route