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NBDHE Dental Hygienist Practice test Questions and Answers
NBDHE Dental Hygienist Practice test Questions and Answers
[Show more]NBDHE Dental Hygienist Practice test Questions and Answers
[Show more]Adhesion 
Ans- the chemical attraction between *unlike* molecules 
Cohesion 
Ans- the chemical attraction between *like* molecules 
Coefficient of thermal expansion 
Ans- An index which indicates how one material reacts to temperature 
extremes in relation to another 
Compressive strength 
Ans- the...
Preview 4 out of 40 pages
Add to cartAdhesion 
Ans- the chemical attraction between *unlike* molecules 
Cohesion 
Ans- the chemical attraction between *like* molecules 
Coefficient of thermal expansion 
Ans- An index which indicates how one material reacts to temperature 
extremes in relation to another 
Compressive strength 
Ans- the...
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 ...
Preview 4 out of 37 pages
Add to cartSticky 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...
Preview 4 out of 36 pages
Add to cartDuring 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...
Preview 2 out of 11 pages
Add to cartHypersensitivity 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 (...
Preview 2 out of 15 pages
Add to cartDisinfectants 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...
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Add to cartregulated 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...
Preview 4 out of 45 pages
Add to cartIn 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...
Preview 2 out of 10 pages
Add to cartFringe-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 ...
Preview 3 out of 18 pages
Add to cartPromising 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...
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Add to cartWhat 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...
Preview 2 out of 14 pages
Add to cartthermal 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...
Preview 3 out of 27 pages
Add to cartAdhesion 
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...
Preview 4 out of 36 pages
Add to cartWilhelm 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...
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Add to carta 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...
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