Practice NBDHE Exam With Absolute Solution 2023

Practice NBDHE Each of the following oral microorganisms could colonizesoft tissue EXCEPT one. Which one is this EXCEPTION? -Streptococcus mutans -Neisseria sicca -Candida albicans -Streprococcus salivarius - Streptococcus mutans The virus responsible for which of the following diseasesis the MOST resistant to chemical and physicalagents? -AIDS -Measles -Hepatitis - Hepatitis Root hypersensitivity diminishes as the tooth formswhich of the following? -Mantle dentin -Acellular cementum -Secondary dentin -Cellular cementum - Cellular cementum A 21-year-old woman, who is in her third trimester ofpregnancy, has a pyogenic granuloma (3 nun in diameter)between her maxillary left lateral incisor and .canine. After offering oral hygiene instructions,which of the following should be the NEXT step? -Reappoint the patient for a prophylaxis one month -Perform an oral prophylaxis -Allow hormonal influences to subside, and then reappoint the patient for a prophylaxis after childbirth -Suggest that the patient see a periodontist - Perform an oral prophylaxis Which of the following nerves supplies the intrinsicmuscles of the tongue? -Vagus -Facial -Hypoglossal -Lingual - Hypoglossal Curets can be hand-sharpened on a flat stone. Thisprocess becomes the MOST effective when the faceof the curet meets the stone at an angle of -100-110" -45-60" -70-80" -80-90" -120-130" - 100-110" Periodontal disease is considered to be controlled when -no bleeding on probing is present -calculus and plaque have been removed -the gingival tissue height approximates the cementoenamel junction -no pockets are deeper than 3 mm -the gingival tissue is firm, pink and stippled - no bleeding on probing is present Which of the following tissues and organs are the MOST radioresistant? -Reproductive organs -Glands -Nerves -Skin - Nerves Superficial lymphatic vessels of the breast drain primarilyinto which of the following nodes? -Substernal -Cervical -Axillary -Subclavicular -Supraclavicular - Axillary Primarily, systemic fluorides protect the teeth bywhich of the following actions? -Reducing the fluoroapatite solubility -Creating bacteriostasis -Inhibiting enzyme activity -Improving their morphology -Lowering their surface energy - Reducing the fluoroapatite solubility Radiographic intensifying screens are used for -magnifying images -increasing detail -speeding the processing time -reducing the exposure time -decreasing the processing time - reducing the exposure time Following an occurrence of primary herpeticgingivostomatitis, the herpes simplex virus canremain dormant in which of the following? -Epithelium -Connective tissue -Sensory ganglia -Muscle -Bloodstream - Sensory ganglia Each of the following characterizes an ideal chemicaldisinfectant EXCEPT one. Which one is this EXCEPTION? -Heat-stable -Long shelf-life -Water solubility -Activity against vegetative microbes -Activity against microbial spores - Heat-stable A 70-year-old edentulous patient routinely cleans andsoaks her dentures in hot water. Which of the followingcan occur as a result of this practice? -Loosening the teeth -Discoloring the denture -Softening the base -Distorting the base -Crazing the denture - Distorting the base Each of the following describes an action of desensitizingagents EXCEPT one. Which one is this EXCEPTION? -Inhibition of the sensory nerve function in dentin -Stimulation of secondary dentin formation -Deposition of insoluble salts in the exposed dentin -Reduction of pulpal inflammation - Reduction of pulpal inflammation The submandibular salivary glands are BEST examinedby which of the following? -Indirect vision with the mouth mirror -Asking the patient to lift the tongue up and bac -Transillumination -Bimanual palpation -Percussion - Bimanual palpation Which of the following explains why the applicationof excessive heat to a tooth causes the patient pain? -Blood vessels of the pulp expand and cause strangulation of the tissue -Excessive stimulation of heat receptors results in pain -Heat receptors in the pulp have a low threshold to pain -Heat increases the inflammatory response resulting in pain -Stimuli of any kind to the pulp result in the sensation of pain - Stimuli of any kind to the pulp result in the sensation of pain Dental hygienists should complete informed consentprocedures with patients. Each of the following is acomponent of informed consent EXCEPT one. Whichone is this EXCEPTION? -Insuring patients' agreement for care -Discussing options for care with patients -Obtaining signature of patients or guardians -Completing outline of oral hygiene education -Informing patients of treatment risks - Completing outline of oral hygiene education The principal factor that controls x-ray penetration is -milleamperage -distance -time -film -wavelength - wavelength An antihistamine is the drug of choice for treatingwhich of the following? -Hay fever -Anaphylactic shock -Common Cold -immune suppression - Hay fever A dental hygienist was recently employed at a 200-bed, longtermcare facility on a full-time basis. Before his/her employment,dental hygiene services were not provided by the facility,though a dentist had been treating residents, two days permonth, using a newly built dental operatory, located at thefacility. Within two months of employment, this dentalhygienist screened all the residents and completed data thatincluded high scores in the following indices: DMFT, GI, andPI. In addition, nursing staffs were interviewed and the dentistwas consulted.