Exam (elaborations)
Dental Hygiene Board Review (1
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- Dental Hygiene Board Review
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- Dental Hygiene Board Review
Dental Hygiene Board Review (1
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Dental Hygiene Board ReviewRed-purple macular lesions on the palate may indicate which of the following conditions?
A
Epilepsy
B
Kaposi's sarcoma
C
Parkinson's disease
D
Hyperparathyroidism - correct answer-Kaposi's sarcoma
A patient with osteoporosis wears dentures. The dentures become loose and prevent
chewing of the foods because of the rapid reabsorption of the alveolar ridges. - correct
answer-both the statement and reason are correct and related
A patient with renal disease exhibits facial changes under examination. The maxilla of the
patient has become large and the lips more prominent. Which chemical compound causes
these changes? - correct answer-urea
Binders are used as thickeners.Chitosan, a type of binder, also has antibacterial properties. -
correct answer-both statements are true
Which component of toothpaste prevents stain formation? - correct answer-Dimethicone is
an active ingredient in toothpaste that prevents stain formation.
Lysozyme is an antibacterial enzyme that reduces oral biofilm.
Recaldent is a calcium and phosphate derivative used as an anticaries agent in toothpastes.
Eucalyptol is a combination of essential oils that has antigingivitis activity.
A substance that is used to retain moisture and prevent air-drying is a - correct
answer-humectant
Dentifrice containing less than 1% hydrogen peroxide - correct answer-is considered safe
What is the purpose of abrasive agents in dentifrices? - correct answer-Clean and polish
teeth to a smooth, lustrous surface
Which substance is used with an oral hygiene device to clean the teeth and deliver cosmetic
and therapeutic agents to the oral environment? - correct answer-dentrifice
Amalgam overhangs can lead to increased gingival inflammation.Recognizing and
evaluating these overhangs is the duty of the dental hygienist. - correct answer-both
statements are true
Which statement regarding the use of floss is true?
A
,Floss is an effective tool for cleaning furcations.
B
Floss is useful for periodontal patients who have attachment loss.
C
Unwaxed floss is effective in reducing plaque in the root surface grooves.
D
Floss is effective in cleaning tooth surfaces near the junctional epithelium. - correct
answer-Floss is effective in cleaning tooth surfaces near the junctional epithelium.
Plaque biofilm is the causative agent of periodontal disease. Removal of calculus promotes
periodontal tissue healing by reducing the plaque biofilm associated with mineral deposits. -
correct answer-both statements are true
Which is a characteristic of gingivitis?
A
Difficult to treat
B
Causes severe pain
C
Manifests as color change in the gingiva
D
Leads to decreased flow of crevicular fluid - correct answer-manifests are color change in
the gingiva
Which disk displacement does a Class III internal derangement of the temporomandibular
joint indicate?
A
Late reducing
B
Early reducing
C
Acute nonreducing
D
Chronic nonreducing - correct answer-Acute nonreducing
Acute or subacute nonreducing disk displacement is categorized as Class III internal
derangement.
Class II internal derangement refers to late reducing disk displacement;
Class I internal derangement indicates early reducing disk displacement;
Class IV refers to chronic nonreducing disk displacement.
Which conditions indicate a risk of paresthesia as a clinical manifestation? (Select the two
that apply.)
A
Leukemia.
B
Celiac disease.
C
Pernicious anemia.
,D
Cyclic neutropenia.
E
Secondary polycythemia. - correct answer-Celiac disease and pernicious anemia
A patient with celiac disease and with pernicious anemia may be at risk of developing
complications of the nervous system such as paresthesia. Paresthesia is not a clinical
manifestation of leukemia, cyclic neutropenia, or secondary polycythemia. A patient with
acute or chronic leukemia may develop oral lesions. A patient with cyclic neutropenia may
develop gingival inflammation and ulceration of the tongue and mucosal tissues. Secondary
polycythemia indicates a risk of myocardial infarction and cerebrovascular accidents.
Which is the best reason for recommending an arthrography to examine disk position and
morphology in a patient with a risk for temporomandibular disorder?
A
Condylar erosion can be detected using arthrography.
B
Patient is also suspected of having condylar hyperplasia.
C
Patient cannot tolerate magnetic resonance imaging (MRI).
D
Disk morphology can be examined only using arthrography. - correct answer-Patient cannot
tolerate magnetic resonance imaging
Arthrography involves the injection of a contrast medium into the joint space and is preferred
only when the patient cannot tolerate an MRI. Condylar erosion and condylar hyperplasia
can be examined using computerized tomography, not arthrography. Arthrography is not the
only procedure that helps to examine disk position and morphology. MRI can also be used to
examine and assess disk position and morphology.
In the dental hygiene process, the dental hygiene diagnosis is defined as
A
the establishment of realistic goals.
B
reaching a conclusion regarding a patient.
C
systematic collection and analysis of data.
D
measurement of the extent of goal achievement. - correct answer-reaching a conclusion
regarding a patient
In the dental hygiene process, the dental hygiene diagnosis is defined as reaching a
conclusion about a patient using critical decisionmaking skills.
Planning occurs when realistic goals and treatment strategies are established to facilitate
optimal oral health.
Assessment is the step in which systematic collection and analysis of data are done to
identify patient needs.
In the dental hygiene process, evaluation is the step that measures the extent of goal
achievement.
, Which symptoms indicate that the patient is at increased risk of a hyperglycemic event?
(Select the three that apply.)
A
Frequent exposure to infections
B
Feeling thirsty most of the time
C
Urinating more than six times a day
D
Losing ten pounds recently
E
Urinating an average of twice per night - correct answer-A B C
Symptoms such as frequent exposure to infections, feeling thirsty most of the time, and
urinating more than six times a day may indicate that the patient is at an increased risk of a
hyperglycemic event. Urinating more than three times during the night and recent change in
weight of more than ten pounds, indicate that the patient is at an increased risk of a
hyperglycemic event.
Which may cause thickened lips and macroglossia? (Select the two that apply.)
A
Hypothyroidism
B
Addison's disease
t
Hyperpituitarism
D
Diabetes mellitus
E
Hyperparathyroidism - correct answer-Hypothyroidism and Hyperpituitariasm
Hypothyroidism and hyperpituitarism are endocrine disorders associated with oral
manifestations such as thickened lips and macroglossia.
Melanotic macules may develop on the oral mucosa of a patient with Addison's disease.
A patient with diabetes mellitus may have burning mouth syndrome.
A patient with hyperparathyroidism will show well-defined unilocular or multilocular
radiolucencies on a radiograph.
Which stimuli prevent the release of hydrocortisone from the adrenal cortex? (Select the two
that apply.)
A
Stress
B
Anxiety
C
Acetylcholine
D
Norepinephrine
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