Sim exam day 2

T/F: Penicillin has cross reactivity with cephalosporins like cefazolin and can’t be used if a pt has a penicillin allergy

T

T/F: Ectodermal dysplasia affects the adrenal glands

F

What type of insulin is rapid acting

Lispro (humalog)

What does lisinopril do

Elevates renin and angiotensin 1

The best treatment to arrest or reverse noncavitated carious lesions in primary and permanent teeth is using what

Sealants and 5% sodium fluoride varnish

How is actinic keratosis on the lower lip managed?

Using a CO2 laser ablation, excision, meds like 5-fluorouracil, and electrocautery

WHat is Hydrochlorothiazide and what is a side effect

Thiazide diuretic. Xerostomia

What correctly describes the posterior palatal seal?

Places pressure on the soft palate to improve retention of the denture

What is Buspirone/Buspar

Anxiolytic med that does not assist in smoking cessation

What muscle attaches to the genial tubercle (chin depression area under the lip)

Geniohyoid and genioglossus

What is a buccal bifercation cyst

Cyst associated with mand 1st permanent molar in kids

What is the MOA for buspirone

Enchances serotonergic activity at 5HT1a receptors in the brain

T/F: Depression is a side effect of buspirone

T

Anxiety is an example of what type of periodontal risk element

Risk indicator

How does tooth discoloration occur after trauma or pulpal injury

Red blood cells break down in the dentinal tubules causing a gray discoloration

What is the MOA for Nystatin

Binds to and increases the permeability of the fungal cell membrane

What complication following IAN block is least likely to occur

Infection

What is the MOA for metformin

Decreasing glucagon production, decreases glucose uptake from intestine, decreases gluconeogenesis, increase insulin sensitivity

What is the preferred agent for internal bleaching

Sodium perborate

Wheezing and swelling is a sign of what

Anaphylaxis, treated by epi

T/F: Beta cell dysfunction can result from rheumatic fever

F

What bacteria causes rheumatic fever

Sreptococcus pyogens

Which bond type is most important to the retention of a composite restoration to tooth structure?

Micromechanical

What is a common side effect of levothroxine

Irritability

What is the normal platelet count range

150,000-450,000

T/F: Aspirin inhibits the products of the COX enzymes, not the synthesis of them

T

T/F: Mitral valve prolapse with regurgitation is a sign a pt needs antibiotic prophylaxis

F

What is not a side effect of Chron’s disease medication, methotrexate

Tooth discoloration

T/F: Hydrochlorothiazide produces arterial vasodilation, thus decreasing vasoconstriction

T

What is commonly given to pts on dialysis to prevent blood clotting

Heparin

What is the best time to do tx on a pt getting dialysis

One day after dialysis

What is a potential complication for internal bleaching

Cervical resorption

Where is the mandibular foramen located in pediatric patients relative to that of adults? 

Posterior and inferior

Which of the following bacteria are predominantly found in interproximal caries?

Streptococcus mutans

What bacteria flourishes in the gut after prolonged antibiotic use with symptoms of diarrhea, fever, nausea, and ab pain

Clostridioides difficile

What is the MOA for clindamycin

Inhibits the 50S ribosomal subunit

What isn’t clindamycin effective against

Pseudomonas aeruginosa

What main etiologic agent causes actinic cheilitis

Bacteria and fungi

What is the optimal tx for actinic cheilitis

Nystatin cream

For mandibular complete dentures, how much should the base cover the retromolar pads? 

The entire retromolar pad

Denture stomatitis is caused by what and tx with what

Candida albicans. Miconazole lozenges

How do you tx gingival recession

Soft tissue regen

Following extraction of tooth 30, an implant is planned to restore the space. When should socket preservation be completed?

At the time of extraction

Why should you avoid using amide LA’s in pts with liver cirrhosis

Because amides are emtabolized in the liver. Use an ester like tetracaine

T/F: Retentive grooves in amalgam preps are placed in the occlusal outline

F

What #17 tooth angulation would most complicate an extraction

Distoangular

What structure is in danger when doing #17 extraction

Lingual nerve

Which crown margin is best for maintaining biological health?

1mm above the margin

Why is monolithic zirconia good for posterior crowns

Strength and esthetics

On a PAN, the inner most vertical opaque line in the maxillary sinus is what structure

Zygomatic process of the maxilla

What is a parulis

Collection of pus often associated with the apex of a chronically infected tooth

The patient chooses to have tooth 9 extracted and replaced with a 3-unit fixed bridge. What pontic design will allow the gingiva to form proper contours?

Ovate

This patient is the dentist's uncle and is offered the "friends and family discount." The discount includes accepting the patient's insurance but waiving the copay. Which ethical principle is violated in this case?

Veracity

T/F: Magic mouthwas does not usually have antiviral medication in them

T

What color is subgingival calculus typically

Black

What is the tx for acute necrotizing ulcerative gingivitis

Metronidazole, chlorohexidine, and SRP

T/F: High blood glucose is not a known risk factor for necrotizing periodontitis

T

What do pts lungs contain when they have pulmonary emphysema

Collapsed air sacs

Which smoking cessation therapy has the most significant neurological side effects? 

Bupropion

T/F: Mucous membrane pemphigioid causes separation of epithelial cells from the basement membrane

T

What other structure might mucous membrane pemphigoid affect and what is the etiology for it

Eyes. Autoimmune

What malocclusion will likely result in the future if treatment is NOT received for a class 3 malocclusion

Ant open bite

Which of the following chemical portions of enamel does fluoride bond with in order to form fluorapatite?

Calcium phosphate

What is the MOA for nitroglycerin and what is a absolute contraindication

Vasodilation of smooth muscle in coronary arteries. Use of sildenafil/viagra