NBDHE Dental Hygienist Practice test Questions and Answers

Sticky wax is used for... Ans- attach models calcium hydroxide Ans- liner, stimulates formation reparative dentin ZOE (eugenol) Ans- is a liner that release fluoride and seal tubules zinc phosphate Ans- is cement hybrid fill Ans- include both microfills and midifills , larger than nanofill ...

During swallowing, the hyoid bone moves downward. During swallowing, the larynx elevates. Ans- The first statement is false, the second statement is true Which nervous system produces the fight-or-flight reaction? Ans- Sympathetic What is mobilized in and out of the blood during bone remodelin...

Hypersensitivity of a root lessen as the tooth forms which of the following? Ans- Cellular cementum What nerve supplies the intrinsic muscles of the tongue? Ans- Hypoglossal Which of the following is the most radio resistant ? Ans- Nerves Flouride is typically introduced in all of the followin...

Disinfectants kill MOST pathogenic microbes, not? Ans- spores OSHA say no to what type of disinfectant due to toxic effect of fumes and corrosive? Ans- glutaraldehydes Disadvantages to chlorine based compounds (disinfectants) Ans- corrosive to metals, strong odor Disadvantages to iodophors (...

regulated biohazard waste Ans- - must be disposed of properly - ex: sharps, items that drip of saturated blood or saliva, hard or soft tissues removed from the pt's mouth PPE mask Ans- - change when it becomes wet/moist - change with every pt purpose of PPE Ans- provides barriers to minim...

In regards to the clinician, what approach is taken? Ans- team approach what does a needs assessment parallel in private practice? Ans- health history and exam what uses surveys in community health? Ans- needs assessment how is the needs assessment determined in comm? Ans- surveys analysis i...

Fringe-like projections on the undersurface of the tongue, lateral to the lingual vein Ans- plica fimbriatae dentin is what % mineralized? Ans- 70% how many roots do premolars typically have? 60% of the time though, which premolar will have 2 roots? Ans- 1 root typically Except, maxillary 1...

Promising a patient treatment outcomes that might not be achievable is known as: Ans- breach of contract advising the patient on benefits, risks, and expected outcomes of their proposed treatment plan, prior to obtaining informed consent, promotes which principle? Ans- autonomy the patient ...

What is myxedema? Ans- Hypothyroidism in adults According to the American Heart Association guideline, which of the following heart conditions does NOT require premedication? A.) Incompletely repaired cyanotic congenital heart disease B.) History of infective endocarditis C.) Rheumatic heart...

thermal conductivity Ans- materials ability to conduct temperature changes- transfers heat enamel and dentin Ans- what are poor thermal conductors when compared to amalgam and gold alloys? composites and ceramics Ans- what are the materials closest to enamel? corrosion Ans- chemical or elec...

Adhesion Ans- The chemical attraction between unlike molecules Cohesion Ans- The chemical attraction between like molecules Coefficient of thermal expansion Ans- An index which indicated how one material reacts to temperature extremes in relation to another Compressive Strength Ans- The for...

Wilhelm Roentgen Ans- discovered the x-ray in 1895 he discovered x-rays while experimenting with a cathode ray tube ionization Ans- the production of ions (an atom that gains or loses an electron and becomes electrically unbalanced) ion pair Ans- when an electron is removed from an atom in t...

a cyst is Ans- an abnormal pathologic sac a cavity lined by epithelial tissue enclosed by connective tissue diagnosed on the basis of histologic appearance and location in which layer of the epidermis are cells undergoing mitosis most likely to be seen? Ans- stratum basal hypersensitivity o...