Mock Board 2 (AndyRDH)

which lesion is related to Reiter's syndrome?

migratory glossitis

herpangina

pyogenic granuloma

lipoma

migratory glossitis

among periodontal patients, the frequency of tooth hypersensitivity has been reported at up to:

32%

57%

88%

98%

57%

multiple sclerosis is a progressive disorder that affects the _______ nervous system.

parasympathetic

central

sympathetic

autonomic

central

the hard tissue abnormalities associated with ehlers-danlos syndrome that are observed radiographically include:

abnormal root morphology

pulpal calcification and abnormal pulp shape

dentin that contains structural irregularities

all of the above

all of the above

One square millimeter of dentin can contain as many as _____ tubules

15,000

20,000

30,000

40,000

30,000

the CDC infection control categories of patient care instruments are:

vital, somewhat critical, and nonvital

vital, semi-critical, and non-critical

critical, semi-critical and non-critical

none of the above

critical, semi-critical and non-critical

desensitizing toothpastes need to be used for at least _______ before an effect can be observed

3 days

1 week

2 weeks

1 month

2 weeks

chlorhexidine has a ______ charge

positive

negatove

neutral

none of the above

positive

the surfaces of the teeth have a _______ charge

positive

negative

neutral

none of the above

negative

The cell walls of microorganisms have a ___________ charge.

positive

negative

neutral

none of the above

negative

side effects of chlorhexidine that some patients experience are:

bitter taste

extrinsic staining of teeth

increased rate of formation of calculus

all of the above

all of the above

chlorhexidine is not an antibiotic, it is a ______

antigen

antidote

antiseptic

anticodon

antiseptic

the unique property of substantively allows for the __________.

short action of chlorhexidine

prolonged effect of chlorhexidine

buffering effect of chlorhexidine

bactericidal effect of chlorhexidine

prolonged effect of chlorhexidine

In order for a generic drug to be considered for approval by the FDA, the drug must _________

work 50% of the time

be 50% as effective

be no more than 80% effective

be at least 80% effective

be at least 80% effective

the advantages of using chlorhexidine as an intracranial irritant in endodontic therapy include:

broad spectrum activity

ease of delivery

low tissue toxicity

all of the above

all of the above

one of the objectives of using chlorhexidine as an intracanal medicament between visits is to:

prevent rebound of pathogenic microorganisms

fill the root canal space

seal the root canal space

dissolve residual tissue

prevent rebound of pathogenic microorganisms

caries is a ________.

hereditary disease

communicable disease

reactive disease

immunologic disease

communicable disease

what is the most prevalent bacteria associated with caries?

lactobacillus

prevotella intermedia

streptococcus mutans

treponema denticola

streptococcus mutans

the signs and symptoms of alveolar osteitis include ________

pain radiating to the ear

onset 2-4 days post-operatively

oral malodor

all of the above

all of the above

What does rinsing with chlorhexidine before or after third molar extractions result in?

increased chance of alveolar osteitis

decreased chance of alveolar osteitis

increased chance of salivary flow compromise

decreased chance of salivary flow compromise

decreased chance of alveolar osteitis

what should patients with an increased chance of developing bacterial endocarditis do?

rinse once post-operatively with chlorhexidine

rinse twice post-operatively with chlorhexidine

rinse pre-operatively with chlorhexidine

not rinse with chlorhexidine

rinse pre-operatively with chlorhexidine

chlorhexidine rinse when used in conjunction with routine scaling and root planing can be expected to produce __________.

a significant reduction in pocket depths

a significant reduction in bleeding on probing

a significant reduction of plaque and bacteria

all of the above

all of the above

which of the following are true of chlorhexidine chips?

inserted into pockets greater than 5mm deep

placed with a standard cotton plier

used repeatedly as a part of a long term periodontal maintenance program

all of the above

all of the above

Why is Porphyromonas gingivalis often difficult to eliminate?

it is very resilient

it reproduces rapidly

it develops resistance to chlorhexidine

it is often embedded in biofilm

it is often embedded in biofilm

true or false: preprocedural rinsing may be a good idea because aerosolized material may include: supragingival and subgingival plaque organisms, blood, and viruses including influenza and the common cold

true

what is oral malodor most often caused by?

hepatic dysfunction

bacteria in the oral cavity

ketosis

alkalosis

bacteria in the oral cavity

what is oral malodor frequently associated with?

periodontal disease

increased amounts of calculus

a high plaque index

all of the above

all of the above

what is the most effective treatment for oral malodor?

lozenges

fragrant mouth sprays

anti-bacterial gels

rinses with chlorhexidine

rinses with chlorhexidine

chlorhexidine staining is largely due to the reaction of chlorhexidine with __________.

biguanides

dications

chromogens

dichromides

chromogens

chlorhexidine stain is __________

intrinsic

extrinsic

internal

covalently bound

extrinsic

chlorhexidine stain is ______

difficult to remove

easy to remove

rarely noticeable

a myth

easy to remove

what can patients who rinse with chlorhexidine do to reduce the occurrence of staining?

brush their teeth with an electric toothbrush

chew gum

whitening toothpaste

all of the above

all of the above

what is the most important factor to consider with diet counseling?

consistency of food

frequency

total intake

amount of sugar added to foods

frequency

the EPA monitors the concentration levels of fluoride in community drinking water and sets limits in bottled water

both statements are true

both statements are false

1st statement true, 2nd false

1st statement false, 2nd true

1st statement true, 2nd false

all of the following tissues are non-keratinized EXCEPT:

alveolar mucosa

vestibular mucosa

buccal mucosa

masticatory mucosa

masticatory mucosa

a benign anomaly which appears as a gray to white film on the buccal mucosa, giving an opaque appearance, is more common in African Americans, and no treatment is required describes which condition?

leukoplakia

leukoedema

median rhomboid glossitis

angular cheilitis

leukoedema

all of the following medications contribute to gingival hyperplasia EXCEPT:

phenytoin

nystatin

nifedipine

cyclosporine

nystatin

what term describes a dose-related reaction that is not part of the desired therapeutic outcome of a drug?

toxic reaction

side effect

idiosyncratic reaction

drug allergy

side effect

which is the drug of choice for patients taking Coumadin or with peptic ulcer disease?

acetaminophen

aspirin

ibuprofen

naproxen

acetaminophen

all of the following are cardiac conditions that warrant antibiotic premedication EXCEPT:

artificial heart valves

history of infective endocarditis

rheumatic heart disease

cardiac transplant that has developed valvular problems

rheumatic heart disease

all of the following antibiotics can be given to a patient that requires premedication if they have a penicillin allergy EXCEPT:

amoxicillin

azithromycin

clindamycine

clarithromycin

amoxicillin

vasoconstrictors when added to anesthetics have all of the following EXCEPT:

prolong anesthetic action

increase bleeding

reduce anesthetic toxicity

delay absorption

increase bleeding

where does cementum receive its nutrients from?

pulp

dentin

alveolar bone

periodontal ligament

periodontal ligament

a patient presents with an amalgam restoration on the mesial, occlusal and distal surfaces of tooth #14. according to G.V. Black Classification of caries and restorations, what class restoration does the patient have?

class I

class II

class III

class IV

class II

Arnold High School has reported an abnormally large number of cases of mononucleosis during fall semester 2009. What is this an example of?

syndemic

epidemic

endemic

pandemic

epidemic

what would you polish gold with extraorally?

rouge

pumice

tin oxide

baking soda

rouge

all of the following are components of a gram-positive cell wall EXCEPT:

gram-positive cell walls are very thick

gram-positive cell walls have no periplasmic space/porin channel

gram-positive cell walls contain endotoxins (lipid A)

gram-positive cell walls have low lipid content

gram-positive cell walls contain endotoxins (lipid A)

what is the active ingredient in Splenda?

saccharin

aspartame

acesulfame - K

sucralose

sucralose

in high concentration, such as professional applications, fluoride is bactericidal. it is also bactericidal in low concentrations, such as daily at home applications

both statements are true

both statements are false

1st statement true, 2nd false

1st statement false, 2nd true

1st statement true, 2nd false

what is the site for cellular protein synthesis?

endoplasmic reticulum

mitochondria

Golgi bodies

cytoplasm

endoplasmic reticulum

what is a loss of tooth structure resulting from chemical action?

attrition

abrasion

erosion

abfraction

erosion

all of the following are clinical findings of NUP/NUG EXCEPT:

odor

punched-out papilla

pain

melanin pigmentation

melanin pigmentation

which route of drug administration produces the most rapid drug response?

oral route

rectal route

intravascular route

intramuscular route

intravascular route

in prescription writing, what abbreviation is used to mean instructions to the patient?

sig

u.d.

prn

b.i.d.

sig

all of the following are examples of an amide EXCEPT:

lidocaine (xylocaine)

mepivacaine (carbocaine)

procaine (novocain)

prilocaine (citanest)

procaine (novocain)

what drug is an antidepressant used for smoking cessation?

ritalin

zyban

chantix

flatly

zyban

how many impulses of radiation does an x-ray unit produce per second?

90 impulses

60 impulses

30 impulses

15 impulses

60 impulses

which radiographic landmark appears as a small round radiolucency in the apical region of the premolars?

mental fossa

mental foramen

mental ridge

mandibular canal

mental foramen

all of the following are treatment plan modifications with patients with chronic obstructive pulmonary disease EXCEPT:

short appointments

stress-free protocol

avoid use of fluoride

position of the chair

avoid use of fluoride

what classification is a patient with AIDS?

ASA I

ASA II

ASA III

ASA IV

ASA III

a patient presents with a blood pressure of 162/100 mm Hg. what treatment considerations, if any, should be taken prior to treating this patient?

no treatment considerations needed

recheck blood pressure the next three dental appointments to be sure it has went down. proceed with routine treatment

recheck blood pressure in 5 minutes. if the BP is the same, they should consult their physician prior to dental treatment and use stress reduction protocol

consult physician immediately

recheck blood pressure in 5 minutes. if the BP is the same, they should consult their physician prior to dental treatment and use stress reduction protocol

what term is used to describe a rapid pulse of over 100 beats per minute?

bradycardia

tachycardia

bradypnea

tachypnea

tachycardia

which core value deals with the hygienist having a primary role in promoting the well-being of individuals and the public by engaging in health promotion/disease prevention activities?

confidentiality

societal trust

veracity

beneficence

beneficence

which type of hypersensitivity reaction is responsible for the rejection of tissue grafts and transplanted organs?

Type I

Type II

Type III

Type IV

type IV

all of the following are forms of the herpes simplex virus EXCEPT:

chickenpox

verruca vulgaris

shingles

infectious mononucleosis

verruca vulgaris

what type of epithelium is gingival epithelium?

simple cuboidal

stratified cuboidal

simple squamous

stratified squamous

stratified squamous

an increase in carious lesions within a population during the past year is?

mortality rate

morbidity rate

incidence

prevalence

incidence

what must a patient change first in order to receive effective oral hygiene instructions?

attitude

behavior

motivation

aptitude

motivation

snoop dog presents with subgingival calculus and inflammation around his platinum teeth. which brushing method would you recommend?

modified stillman

bass

circular

fones

bass

Lil Wayne has recurrent decay under his gold crown on tooth #1. The dentist recommends an extraction. On the DMFT index, you would score this as:

D - because there is recurrent decay

M - because the tooth will be extracted

F - because the tooth has a filling

T - because the tooth needs treatment

not scored

not scored

When you mirror a patient's body language, what is accomplished?

establishing rapport

encourages the patient to feel confident

assists the patient to feel in control

alters perception of pain

establishing rapport

which exogenous extrinsic stain can later become intrinsic?

black line

metallic

tetracycline

green

green

which of the following is an endotoxin from a gram-negative microbe?

bacterial metabolites

capsular polysaccharides

lipopolysaccharides

cytoplasmic RNA

lipopolysaccharides

when inserting a curette subgingivally, which of the following angles should be used?

less than 45 degrees

70-80

85-90 degrees

close to zero degrees

close to zero degrees

the angle between the face of a universal curette and its shank is:

45 degrees

70 degrees

80 degrees

90 degrees

90 degrees

minerals in subgingival calculus come from:

saliva

pellicle

blood

gingival crevicular fluid

gingival crevicular fluid

an anxious patient is at a high risk for the following:

cardiac problems

hyperventilation

syncope

all of the above

all of the above

Which cells arrive first during acute inflammation?

mast cells

neutrophils

plasma cells

macrophages

neutrophils

NUG is characterized by all of the following EXCEPT:

fever

exudate

hyperkeratosis

pseudomembrane

hyperkeratosis

bleeding upon probing is caused by:

edema

ulceration of the junctional epithelium

more than 20 grams of pressure on the probe

residual calculus

ulceration of the junctional epithelium

which vitamin helps metabolizing amino acids?

vitamin a

vitamin c

vitamin b6

vitamin b12

vitamin b6

which of the following is a good source of potassium?

strawberries

broccoli

yams

green leafy vegetables

yams

angular cheilitis is associated with which vitamin deficiency?

vitamin b12

vitamin b1

vitamin b9

vitamin b2

vitamin b2

what does lactobacillus produce?

dextrans

maltose

lactic acid

lipopolysaccharides

lactic acid

which of the following restorations would require a wedge and a matrix band?

class I

class II

class V

class VI

class II

which of the following drugs acts to reduce saliva?

ergotamine

atropine

phenobarbital

epinephrine

atropine

vasoconstrictors are added to anesthetic agents to retard _________.

metabolism

absorption

ionization

radiation

absorption

after chemotherapy and radiation treatment, the following complications can occur EXCEPT:

mucositis

xerostomia

osteonecrosis

trismus

trismus

Tooth #5 has 6 mm pockets around all sites of the tooth. When using your scaler, longitudinal developmental grooves would probably be noted on which of the following root surfaces?

Lingual

Mesial

Facial

Palatal

mesial

If one tooth contacts another prematurely when occluding, it is probably in:

torsoversion

infraversion

liguoversion

supraversion

supraversion

dental fluorosis is characterized by:

dark brown stain

white opaque areas of enamel

pitting of the surface of the enamel

all of the above

all of the above

While in centric occlusion, the normal relation of the permanent maxillary 1st molar to the mandibular arch is established when the:

mx 1st molar occludes with the md 2nd premolar and 1st molar

distal surface of the mx 1st molar is in the same plane as the distal surface of the md 1st molar

distofacial cusp of the mx 1st molar is in the same plane as the distal surface of the md 1st molar

mesiolingual cusp of the mx 1st molar falls in the central fossa of the md 1st molar

mesiolingual cusp of the mx 1st molar falls in the central fossa of the md 1st molar

Round, smooth, hard structures attached to root surfaces of permanent molars near cervical lines are most likely:

denticles

cementicles

enamel pearls

bony exostoses

retained primary root fragments

enamel pearls

when root planning, which area would be the hardest to access?

trifurcations of mx 1st molars

mesial surfaces of mx premolars

distal surfaces of md 3rd molars

proximal surfaces of md anterior teeth

trifurcations of mx 1st molars

which of the following choices has the most cementum?

exposed root surface

apical 3rd of the root

middle 3rd of the root

coronal 3rd of the root

apical 3rd of the root

Calculus at the CEJ is difficult to detect because:

broad contacts at the CEJ prevent access

calculus is granular at the CEJ

root surfaces are convex at the CEJ

anatomical characteristics of the CEJ vary

anatomical characteristics of the CEJ vary

which of the following is a normal pattern for the eruption of primary teeth:

mx central incisors erupt before md central incisors

mx canines erupt before mx lateral incisors

mx 1st molars erupt before mx canines

md canines erupt before md 1st molars

md 2nd molars erupt before md 1st molars

mx 1st molars erupt before mx canines

facial surfaces of maxillary molars are considered food-retentive areas because:

these areas are less self cleansing

the stensons duct opens just opposite the mx molars

erupted 3rd molars tighten contact areas

ar rest, the lips force saliva against the molars

the tongue pushes food against the molars during mastication

these areas are less self cleansing

the roots of which of the following premolars is hardest for root canal therapy?

maxillary 1st premolar

maxillary 2nd premolar

mandibular 1st premolar

mandibular 2nd premolar

maxillary 1st premolar

Root sensitivity is decreased when the tooth reacts by formation of:

cementum

hypercementosis

dentinal tubules

reparative dentin

a thickened periodontal ligament

reparative dentin