Practice Exam Flashcards
Which of the following would result in a darker radiographic image?
Increased mA
Which of the following compounds can be used to fluoridate domestic water systems?
Sodium silicofluoride
After developing a full-mouth series of radiographs, all of the films are completely black. The cause for this is?
silver halide crystals were energized
Identify the vitamin that promotes the synthesis of collagen.
Vitamin C
According to the Code of Ethics for Dental Hygienists, a patient’s right to informed consent prior to treatment is called?
Autonomy
The oral physiotherapy aid most suited for removal of loosely adherent plaque is a/an?
oral irrigator
One of the procedure is private practice is diagnosis. What is the parallel procedure in community health practice?
Data Analysis
Which of the following vitamins assists in the synthesis of tryptophan?
Niacin
Identify the anterior tooth MOST likely to exhibit a bifurcated root.
Mandibular Canine
Which of the following ADHA code of ethics principles addresses truth, integrity, and honesty?
Veracity
Excessive exposure to radiation initially presents as?
erythema
The office has changed from “E” to “D” Speed film, What modifications should be made to the exposure time?
Doubled
Although bleeding on probing indicates periodontal involvement, bleeding may not be evident in smokers because of the microvascular system. T or F
Bothe the statement and the reason are correct and related.
Which immunoglobulin is MOST likely to be found in saliva?
IgA
Oral medication with high first pass effect must:
utilize a high dose
Select the cell wall characteristics associated with gram-negative bacteria.
Porin-channel
high lipid content
lysozyme sensitivity
All of the following bacteria are classified as facultative anaerobes EXCEPT which one?
Prevotella
Examples of thyroid disorders include Graves disease and Cushing’s Syndrome. Symptom’s of Graves disease include, dry skin, and an intolerance to heat. T or F
Both statements are FALSE
IF a spinal cord injury occurs at C-7, What functioning ability would the patient exhibit?
Personal Care with devices
An advantage of intensifying screens in extra-oral radiographs is to reduce patient exposure time. They use these to increase the amount of radiation the patient receives.
The first statement is TRUE. The second is FALSE.
When does the latent period of radiation occur?
time between exposure and maximum damage observed
Which salivary gland contributes the most Volume of total saliva?
Submandibular
All of the following are muscles of facial expression EXCEPT which one?
Temporalis
Which of the following is NOT associate with cigarette Smoking?
increase gingival edema
A bitewing film is properly exposed with an 8 PID using an exposure setting of 1 Second. What exposure time, PID was used?
4
Which of the following variables affect radiographic image contrast?
kVp
The maximum amount of radiation and occupationally exposed person may receive, in mSvs, in one month is?
4mSv
Fluorides act as a barrier against acid dissolution of the tooth structure. Critical pH levels range between 4.5 to 5.5 for enamel and 6.0 to 6.7 for root caries.
Both Statements are TRUE
Which of the following level is the highest in Maslow’s Hierarchy of Needs?
Self-actualization
Synthroid is a medication used to treat.
hypothyroidism
Where does the ophthalmic branch of the trigeminal nerve exit the cranial cavity?
Superior orbital fissure
Examining structures on opposite sides of the face using both hands simultaneously is?
bilateral palpation
When using zinc phosphate as a base, what is its most important physical characteristic?
compressive strength
What portion of the root surface has the thickest layer of cementum?
Apical third of root
Identify the active ingredient in NutraSweet and Equal
Aspartame
A nodule is superficial, solid elevation less than 1.0cm. An example of a nodule is a freckle.
Both statements are FALSE
Which of the following cements has an exothermic reaction on mixing?
Zinc phosphate cement
Which of the following would be recommended as an extra-oral polishing agent for a gold alloy restoration?
Rouge
Which route of drug administration is MOST desirable for sustained effect?
Intramuscular
All of the following drugs may cause gingival overgrowth EXCEPT which one?
Digoxin
The MOST common predisposing factor for the presence of a pyogenic granuloma.
Pregnancy
Which Molar is MOST likely to have a root with two canals?
Mandibular first molar
Vitamin B12 aids in the formation of
Red blood cells
Common periodontal pathogens include all of the following EXCEPT which one
Steptococcus mutans
Which type of bacteria increases as plaque matures?
Facultative anaerobes
Gram-negative rods associate with periodontal disease include all of the following EXCEPT which one?
Treponema denticola
Which bacterial product allows microorganism to invade tissues and spread infection?
hyaluronidase
An advantage of light-cure polymerization in sealant placement is?
increase in working time
Hertwig’s Root Sheath is derived form which embryonic structure
Outer Enamel Epithelium
Non-selective beta blockers should not be used in patients with..
asthma
Which of the following considered a non-steroidal anti-inflammatory agent
COX-2- inhibitor
The bulk of dental plaque biofilm consists of
exopolysaccharides
Gingival hyperplasia most often affects anterior gingival tissues. Gingival enlargement can be seen in a patient taking calcium channel blockers.
Both statements are TRUE.
Reversible pulpitis is MOST closely related to
hyperemia
the phenomenon involving extension of maxillary sinus into an extraction sites is
pneumatization
Lymph nodes are found along the lymph channels. If the lymph nodes are hard, non-tender and fixed, they are.. (Heathly??)
Both statements are TRUE
All of the following should be avoided when treating an asthmatic patient EXCEPT which one.
Nitrous Oxide/oxygen sedation
All of the following lingual papillae have associate taste buds EXCEPT which one?
Filiform
What muscle has its insertion in the anterior portion of the TMJ disc?
Lateral pterygoid
All of the following symptoms of hypoglycemia EXCEPT which one?
Decreased pulse
All of the following are dental treatment considerations for patient experiencing myocardial infarction EXCEPT which one
Place patient in a supine position
Nitrous oxide indicated for all of the following patient EXCEPT which one?
Recent inner ear surgery
For the removal of plaque in a patient with gingival recession, the most effective tooth brushing method is
Bass
All of the following are active ingredients in desensitizing dentifrices EXCEPT which one?
Sodium fluoride
Which of the following is NOT an adverse effect of Chlorhexidine gluconate
Herpes labialis
All of the following are examples of natural immunity EXCEPT which one?
Antibody production
All of the following is a function of the macrophage EXCEPT which one?
collagen degradation
According to the ASA physical Classification System, a well-controlled, non-insulin dependent diabetic patient is considered?
ASA II
For the past thirty years, the Pocatello Component of the Idaho Dental Hygienists Association has conducted the(something program) for 8th graders at local middles schools. The program provides students with information on the hazards of using smokeless tobacco, obtaining parental permission slips, students are asked to complete questionnaires about their tobacco use. Results published annually and given to the Idaho Department of Health in order to study trends in smokeless tobacco use. The hygienist involved in the school program noticed that quit rates increased when students saw photos of oral cancer. Not wanting to develop cancer, they signed up for the counseling sessions. The Photos were designed to:
increase internal motivation
For the past thirty years, the Pocatello Component of the Idaho Dental Hygienists Association has conducted the(something program) for 8th graders at local middles schools. The program provides students with information on the hazards of using smokeless tobacco, obtaining parental permission slips, students are asked to complete questionnaires about their tobacco use. Results published annually and given to the Idaho Department of Health in order to study trends in smokeless tobacco use. In determining the extent of smokeless tobacco use in 8th graders, the hygienist found that 13% of all students are current users. This rate represents:
Prevalence
