Mock Board 6

Physiology
1. Follicle stimulating hormone (FSH) is secreted by which of the following endocrine glands?
:-) pituitary

2. The sensation of pressure, pain, touch or temperature is determined by the:
:-) specific nerve fiber stimulated

3. Adolescent growth spurts more in the maxilla than in the mandible BECAUSE, at puberty, the lymphoid tissue present in the nasopharynx decreases.

4. sex-linked recessive represents the mode of transmission of ectodermal dysplasia.

5. Thrombi form by intrinsic pathway


Oral Pathology
1. Tzanck cells are seen in Pemphigus vulgaris.

2. Desquamative gingivitis may be seen in
? pemphigus vulgaris
? cicatrical pemphigoid
? lichen planus

3. Which of the following is the most likely source for the epithelium present in a radicular cyst?
:-) rests of Malassez

4. Stafne cyst is frequently seen on radiographs as a unilocular radiolucency located below the mandibular canal.

5. opportunisitic is involved when normal oral flora can cause disease.

6. cementomas is most frequently seen at the apices of the mandibular anteriors as a radiolucent or a mixed radiolucent, radiopaque lesion.

7. ameloblastic fibroma is most frequently seen in individuals younger than 20 years of age.

8. leukoplakia is a clinical description and NOT a diagnosis?

9. ameloblastoma odontogenic tumors exhibits the most aggressive growth pattern.

10. The odontogenic myxoma is composed of cells derived from stellate reticulu

11. enamel peal is due to misplaced ameloblasts.


Pharmacology
1. Dr.’s signature does not belong in the heading of a prescription.

2. The mechanism of action of local anesthetics is to block nerve conduction by preventing nerve depolarization.

3. DEA federal agencies regulates "controlled" substances.

4. Schedule V controlled substances has the least potential for abuse.

5. A patient presents with a medical history of taking a nucleoside reverse transcriptase inhibitor and also a protease inhibitor. For which of the following conditions is the patient undergoing treatment?
:-) HIV infection

6. aspirin is contraindicated in a patient taking coumadin.

7. benzodiazepines groups of antianxiety agents has the widest margin of safety.

8. A substance produced by a microorganism that suppresses, destroys or alters the action of other microbes defines antibiotic.

9. Schedule II controlled substance schedules requires a written prescription (cannot phone in)?

10. Local anesthetics affect myelinated nerves primarily in node of Ranvier.

11. Monoamine oxidase inhibitors are frequently used to treat depression

12. lidocaine is used to treat cardiac arrhythmias but may also induce arrhythmias.

13. Perspiration, piloerection, nausea, tremors and chills may be an indication of withdrawal.


Histology
1. Histodifferentiation Is when cells increase in number and form the shape of a bell.

2. The rests of Serres are remnants dental lamina


Nutrition
1. The body's need for water increases when the diet is high in Protein


Anatomy
1. The nasopalatine duct is located in incisive canal.

2. This muscle depresses and protrudes the mandible
Lateral Pterygoid (external) Inferior head


Immunology and Microbiology
1. Which condition is associated with the Epsetin-Barr virus?
? Hairy leukoplakia
? Nasopharyngeal carcinoma
? Infectious mononucleosis

Mock Board 5

Periodontology
1. Lactobacilli are considered the most aciduric and acidogenic organisms in the oral cavity because they Are viable at a pH below 5.0 and continue to produce acid.

2. An apparently unique microflora and a defect in polymorphonuclear leukocyte function have been associated with juvenile periodontitis

3. Overheating an amalgam restoration during a polishing procedure may cause injury to Odontoblasts.

4. The crevicular epithelium of a periodontal pocket consistently differs from that seen in normal gingiva in that the epithelial lining of a pocket is Ulcerated.

5. Periodontal ligament transmits the sensation of contact when teeth are occluding?

6. The most common cause of pulp death in primary central incisors is Trauma

7. If an obstruction is encountered after inserting a periodontal probe into the sulcus the dental hygienist should
:-) Attempt to maneuver past the obstruction and then continue to move the probe apically

8. A patient with deep intrabony pockets and furcation involvement is scheduled for deep scaling. What periodontal emergency has the most potential to occur after the first scaling appointment?
:-) Acute periodontal abscess

9.


Dental Material
1. In applying a posterior matrix, the lesser circumference of the band should be placed Gingivally.

2. Which of the following is a disadvantage of an impression obtained with a hydrocolloid impression material?
:-) Lack of dimensional stability

3.


Nutrition
1. Intrinsic factor is necessary for interstital absorption of Vitamin B12.

Community DH
1. Program objectives should be stated in terms of Expected level of project outcomes.

2. The ultimate purpose of a pilot study is to Do a trial run of the planned study on a small sample.

3. Which of the following is the most effective method of surveying indigent people in a community about oral hygiene practice?
:-) Interview

4.

Clinical DH
1. A space maintainer placed in the mandibular arch of an 8-year old child usually serves to Prevent collapse of the maxillary arch.

2. A space maintainer placed in the mandibular arch of an 8-year old child usually serves to Prevent collapse of the maxillary arch.

3. Bacterial spores are a problem in sterilizing instruments and equipment because They are resistant to physical and chemical agents.

4. Green stain is difficult to remove by polishing because it Becomes intrinsic to underlying decalcified enamel.

5. The appropriate time for killing bacterial spores by immersion in a 2% solution of glutaraldehyde is 10 hours

6. Rheumatoid arthritis causes bilateral condylar ankylosis in a 4-year old boy. By age 10, facial deformity will be characterized as
:-) Mandibular retrognathism

7. The most important salivary buffer is bicarbonate

Pharmacology
1. A patient who suffered a coronary thrombosis several years ago returns for a recall appointment. Potential hemorrhage problems could occur during instrumentation due to which of the following medications. Dicumarol

2. Atropine is a sympathomimetic drug that can cause an increase in blood pressure.

3. Administration of which of the following is indicated to alleviate symptoms or an acute asthma attack?
:-) Epinephrine



Anatomy
1. The root of the lung, containing the bronchus, pulmonary veins and arteries, nerves, and lymphatics, enters the lung at the Hilus.

2. The mitral valve separates the Left atrium from the pulmonary vein

3. Longitudinal developmental grooves are likely on which root surface of a maxillary first premolar?
:-) Mesial

4.


Radiology
1. The lamina dura normally appears radiographically as a continuous radiopaque line about the root of the tooth.

2.

Physiology
1. Secretion of insulin is primarily controlled by Changes in blood glucose concentration.

2. During prophylaxis, a patient experiences a sudden loss of breath, labored breathing, cold clammy skin and pain radiating to the left shoulder and arm. Which of the following is most likely?
:-) Coronary occlusion

3. The gaseous exchange function of the respiratory system occurs in the Alveolar sacs.

4. The major immunologic manifestation found in diagnosed acquired immune deficiency syndrome (AIDS) patients is Suppression of cellular immunity

5.

Immunology and Microbiology
1. Microbial drug resistance is an example of mutation and selection

2. The virus most likely to pass the placenta and produce congenital defects in the fetus is Rubella.

3.

Histology
1. The epithelial attachment consists of Stratified squamous epithelium with no keratinization.

2. Cells undergoing mitosis are most likely to be seen in which layer of the epidermis
Stratum corneum

3. A diet that causes moderate alterations in bone cause of low calcium of phosphorus content also causes resorption of formed teeth

4.

Fluoride
1. Areas of demineralization of the teeth are most likely to have the greatest uptake of topical fluoride.

Mock Board 4

Anatomy
1. The suture between the premaxilla and the palatine process of the maxilla lies between lateral incisor and canine.

2. The exchange of materials between blood and tissues occurs at capillaries

3. oblique ridges is unique to permanent maxillary molars?



Immunology and Microbiology
1. anaphylaxis is a drug reaction characterized by laryngeal edema, bronchoconstriction and sever hypotension.

2. Rheumatic heart disease results from hypersensitivity reaction of the body to beta-hemolytic streptococcal antigens.

3. After primary herpetic gingivostomatitis, the herpes virus may remain dormant in sensory ganglia.

4. anaphylactic response is characterized by degranulation of mast cells as a result of antigen-antibody complete affixed to cell surfaces.


Dental Material
1. In removing the temporary zinc phosphate cement restoration from a molar prepared for an amalgam restoration, the material in the deepest portion of the preparation is left in place to provide thermal insulation of the pulp

2. In dentin amalgam restorations, marginal failure is attributed to excessive creep

3. After placing a sealant, a void is noted. Which of the following probably caused the void?
B) The resin was over manipulated upon placement
D) The resin was mixed too vigorously prior to placement

4. The major advantage of using microfilled composite resin is improved ease in finishing.

5. The setting reaction of zinc oxide-eugenol impression material is accelerated by contract with moist oral surfaces.

6. The primary reason for polishing an amalgam restoration is to reduce surface irregularities


Clinical DH
1. The design feature of the blade of a curette that allows use in the deepest area of the crevice with limited potential for soft tissue damage is the convex back.

2. Use of water irrigation devices has been found to produce a transient bacteremia in patients with gingival inflammation.

3. A rigid Gracey curette differs from a finishing Gracey curette in flexibility and shank diameter.

4. To evaluate the effectiveness of oral hygiene instruction given during the previous appointment, the dental hygienist should:
B) question the patient about various area covered in the instructions
C) ask the patient if he ahs followed the recommended techniques for maintaining oral hygiene
D) have the patient demonstrate the oral hygiene methods he has been using

5. An ultrasonic scaling device in unacceptable for use in final root planing because it leaves an irregular root surface

6. Which of the following stains is found in patients with good oral hygiene?
black line stains

7. Evidence shows that the most effective way to teach oral hygiene skills is by having the patient participate in repeated, supervised training sessions.

8. of the following best characterizes primary occlusal traumatism?
:-) excessive occlusal forces with normal attachment apparatus

9. Application of excessive heat to a tooth results in pain because all stimuli to the pulp result in a pain sensation.

10. Disinfecting agents differ from antiseptic agents in that disinfecting agents are used on inanimate objects.

11. sodium hypochlorite solution is a surface disinfectant acceptable for use on treatment areas after therapy on a suspected hepatitis B carrier.

12. If a patient's palpatory systolic reading is 140 how high should the blood pressure cuff be inflated 160-170.


Pharmacology
1. A digitalis preparation in the current drug profile of a patient should alert the practitioner to the possibility that this patient has either congestive heart failure or atrial fibrillation

2. Cortisone affects gingival tissues by depressing the inflammatory response to local irritants

3. increase the effectiveness of a topical anesthetic agent applied before administering local anesthesia?
A- drying the tissue before application
B- isolating the area to prevent dilution

4. Long-term exposure to low doses of nitrous oxide has been shown to increase the incidence of spontaneous abortion.

5. The principal therapeutic value of nitroglycerin is related to the fact that it causes relaxation of the smooth muscle of blood vessels


Fluoride
1. fluoride ion affect crystal size and solubility of the hydroxyapatite crystal Crystal Size Solubility Increases Decreases

2. Daily use of FL2 gel in custom trays in indicated for which of the following?
C) Patients undergoing head and neck radiation therapy
D) Patients with tooth-borne complete dentures (overdentures)

3. esensitizing agents act by
depositing insoluble salt in exposed dentin
causing changes in the ends of dentinal tubules

4. Fluoridation of municipal water supplies is often accomplished by adding appropriate amounts of sodium silicofluoride

5. 3 ppm in a 6-year old child paired water fluoride concentrations and individuals is most likely to results in moderate fluorosis but not systemic toxicity.


Periodotology
1. A dentist performs gingival curettage and intrabony pocket therapy. The tissue response most likely to result from the curettage is moderate reduction in probing depth

2. After gingival curettage, re-epithelialization of the crevice usually occurs within 7-10 days

3. In the etiology of periodontal disease calculus functions primarily by providing a rough surface for the harboring of plaque.

4. Objectives of gingival curettage include removal of
B) crevicular epithelium
C) Inflamed connective tissue

5. Generalized gingival bleeding is associated with which of the following conditions?
A- scurvy
B- leukemia
C- Agranulocytosis
D- cyclic neutropenia

6. Which of the following conditions are associated with long-term use of smokeless tobacco?
A- occlusal abrasion
B- gingival recession
C- verrucous carcinoma

7. The quality and adequacy of tissue repair is governed by the
A- extent of the injury
C- regenerative capacity of the injured tissue
D- proliferate activity of the connective tissue stroma

8. Which of the following occur as plaque deposits mature?

A- the deposits calcify
B- the crystalline structure increases
F- the number of filamentous forms increases proportionately

9. Root planing is useful in reducing
B- shallow edematous pockets
C- the number of bacteria in pockets

10. Plaque is a causative agent in chronic inflammatory periodontal disease because it mechanically irritates gingiva.

11. The fact that oral microorganisms can enter the body by way of the gingival crevice (sulcus) is evidenced by thepresence of transient bacteremias after dental procedures


Oral Pathology
1. The most common site of salivary gland tumors is the parotid gland.

2. An odontogenic tumor consisting of miniature tooth-like structures is an odontoma

3. The most common oral site for an ameloblastoma is the mandibular third molar area

4. New odontoblasts will form by differentiation from cells in the cell-rich layer of the pulp is a likely reaction to destruction of a focal area of odontoblasts by injury.

5. Koplik's spots are oral manifestations of which of the following conditions measles

6. Lateral (accessory) pulp canals extend from pulp tissue to the periodontal ligament.


Community DH
1. The most important responsibility of the dental division of a state department of health is to provide technical and consultative assistance in matters pertaining to dental health

2. reliability and ease in calibration are criteria for a good dental index.

3. A 60-year old man has a history of excessive consumption of alcohol. Which of the following conditions is likely in this patient?
spider angiomas

4. After completing a plaque index using a 0-3 scale on twenty-five 11-year old school children, the dental hygienist computes a mean score of 2.75 fir the group. The best approach to improving dental health status of this group is to initiate a plaque control education program, starting with disclosing and basic brushing.


Histology
1. Reduced enamel epithelium plays an important role in epithelial attachment formation

2. Dental papillae and the dental pulp function to
A- form dentin
C- influence ameloblastic activity
D- provide nerve and blood supplies in teeth

3. Rests of Malassez are composed of groups of epithelial cells in the periodontal ligament.


Pathology
1. Multiple sclerosis is a chronic degenerative disease of the central nervous system that occurs most often in young adult women.


Radiology
1. Alveolar crest bone resorption is best demonstrated in bite-wing


Nutrition
1. vitamin K is synthesized by intestinal microorganisms.