72
A patient with syphilis is highly infectious during which of the following stages? A- Secondary stage only B- Tertiary stage only C- Primary and secondary stages D- Primary, secondary, and tertiary stages
A
Microscopic suprabasal intraepithelial bullae and acantholysis characterize which of the following diseases? A- Pemphigus vulgaris B- Erythema multiforme C- Lupus erythematosus D- Mucous membrane pemphigoid
A
A 45-year-old patient has undergone scaling and root planing in all 4 quadrants. The oral hygiene of the patient is excellent but generalized 5 mm and 6 mm pockets remain that bleed upon probing. What is the next step and the best treatment for the patient? A- Periodontal surgery B- Maintenance therapy C- local drug delivery D- additional round of scaling and root planning
a
Beclomethasone (Beconase AQ) is used for bronchial asthma because it A- Has a short duration of action B- Stimulates beta adrenergic receptors in the lung C- Produces little adrenal suppression when administered by inhalation D- Is only effective orally
a
Rising with a new mouthrinse results in a statistically significant decrease in the Gingival Index (GI) score, but does NOT result in improved oral health for the patient. This finding suggest which of the following? A- Non-clinical significance B- Double-blind study C- Improper study desing
a
Surgical flap access therapy is indicated and most beneficial when used A- For those early to moderate defects not resolved with initial therapy B- As the initial treatment for patients having extremely heavy subgingival calculus C- To eliminate pocketing more rapidly so the patient can proceed with treatment D- To improve plaque control effectiveness in patients having difficult achieving good plaque control
a
Which of the following most closely resembles normal parotid gland histologically? A- Pleomorphic adenoma B- Monomorphic adenoma C- Acinic cell carcinoma
a - P for parotid
Which of the following is NOT one of the major classes of drugs used to treat angina? A- Thiazides B- Beta-blockers C- Nitrates and nitrites D- Calcium channel blockers
a - this is used to treat hypertension
A dental office employee wishes to verify that instruments have been sterilized. Which of the following methods is most accurate? A- Place indicator tape on the instruments B- Use biological monitors C- Examine the sterilizer packages for color changes D- Observe the temperature gauge on the sterilizing unit
b
A diabetic child is experiencing insulin shock in a dental office. In managing this emergency, the dentist should immediately A- Administer oxygen B- Have the child drink a glass of orange juice C- Administer xylitol by mouth D- Administer insulin
b
Hypotensive effect and itching from oxycodone is due, in part, to its A- Allergenicity B- Release of histamine C- Antispasmodic effect D- Cardiac depressant effect
b
What is the best indicator of periodontal stability over time for the patient on periodontal maintenance therapy? A- Plaque control B- Bleeding on probing C- Probing depths D- Attachment levels
b
Which of the following odontogenic lesions occurs most frequently A- Ameloblastoma B- Odontoma C- Ameloblastic fibroma D- Adenomatoid odontogenic tumor
b
Phenytoin is most often recommended for controlling which of the following seizures? A- Status epilepticus B- Tonic-clonic (grand mal) C- Absence epilepsy (petit mal) D- Myoclonic seizure in childhood
b c - is treated by ethosuximide a- treated with valium
The primary etiologic factor associated with periodontal attachment loss in a furcation is the presence of A- Occlusal trauma B- Accessory root canalsC- Oral biofilmD- Cervical enamel projections
c
The strength of a soldered connector is best increased by A- Using a higher carat solder B- Electroplating the joint with gold prevent corrosion C- Increasing its dimension in a direction parallel to the applied force D- Increasing its dimension in a direction perpendicular to the line applied force
c
What is the minimum amount of bone needed between 2 adjacent implants? A- 1mmB- 2mmC- 3mm D- 4mm
c
When designing a clinical study, one uses the power of the statistical test to accomplish which of the following? A- Measure validity B- Set the alpha level C- Reject the null hypothesis D- Determine sample size
c
Which of the following agents is available in the form of troches for the topical treatment of oral candidiasis? A- Ketoconazole (Nizoral) B- Intraconazole (Sporanox) C- Clotrimazole (Mycelex) D- Fluconazole (Diflucan)
c
Which of the following type(s) of amalgam alloy provide the best clinical durability? A- High copper spherical only B- Conventional spherical only C- High cooper admixture and high cooper spherical D- High cooper admixture and conventional spherical
c
A patient has a 7-years-old chipped porcelain veneer on tooth 9 and desires to have the veneer repaired instead of replaced. Which of the following should be done to the porcelain before repairing with composite? A- Pumice, etch, bonding resin, silanate B- Sandblast, etch, bonding resin C- Silanate, pumice, bonding resin D- Micro-etch, etch, silanate, bonding resin
d
Upon mastication, a patient has severe pain in a mandibular first molar. Clinical examination reveals furcal bone loss, a sinus tract that is draining through the sulcus, normal interproximal bone height, and no response to vitality testing. The treatment of choice is A- Root canal treatment only B- Periodontal therapy only C- Periodontal therapy first, then root canal treatment, should the lesion not resolve D- Root canal treatment first, then periodontal therapy, should the lesion not resolve
d
What is the most likely cause for hemorrhage 3 day after removal of a mandibular third molar? A- Vascular fragility B- Platelet deficiency C- Prothrombin deficiency D- Fibrinolysis
d
20mg doxycycline hyclate's primary mechanism of action is A- Breackdown of the phospholipid bilayer B- Inhibition of DNA gyrase C- Inhibition of the 50s ribosomal subunit D- Inhibition of collagenase
d *remember tetracycline stops the protein synthesis - this includes collagen
A patient with hypertension arrives for a scheduled crown preparation appointment with a blood pressure of 160/100 mm Hg and a pulse rate of 90 bpm. The initial response by the dentist should be to A- Call the patient's physician B- Reschedule the patient C- Have the patient take nitroglycerin D- Wait 15 minutes to re-take vital signs
d -- key word being intial **
Which of the following has been most strongly implicated in the cause of aphthous stomatitis? A- Cytomegalovirus B- Allergy to tomatoes C- Herpes simplex virus D- Staphylococcal organisms E- Human leukocyte antigens
e
Which of the following is the most reliable method for determining the pulp responsiveness of a tooth with a full coverage crown? A- Radiographic examinationB- Electric pulp testC- Thermal test D- Palpation
c