Quiz
1.After enamel formation is complete, what key event allows the tooth crown to enter the oral cavity?
a)Root elongation begins
b)The enamel organ fuses with the oral epithelium
c)Bone deposition increase
d)The periodontal ligament forms
b)The enamel organ fuses with the oral epithelium
2. During the initiation stage of tooth development, what structure formed from the thickened oral epithelium?
a)Dental papilla
b)Dental lamina
c)Enamel organ
d)Dental sac
b)Dental lamina
3. A patient presents with poorly mineralized enamel. Which stage of tooth development was most likely affected?
a)Initiation stage
b)Bud stage
c)Appositional stage
d)Maturation stage
d)Maturation stage
4.
A 65 year old patient with white, curd like plaques on the oral mucosa that can be easily scraped off, leaving a red surface. The patient recently completed a course of antibiotics.
What is the most likely diagnosis?
a)Hyperplastic candidiasis
b)Pseudomembranous candidiasis
c)Atrophic candidiasis
d)Angular cheilitis
b)Pseudomembranous candidiasis
5. A child presents with yellow-gray discoloration of the teeth. The mother reports taking antibiotics during pregnancy.
Which medication is most likely responsible?
a)Amoxicillin
b)Ibuprofen
c)Tetracycline
d)Acetaminophen
c)Tetracycline
6.
A newborn presents with a cleft affecting only one side of the lip.
Which term best describes this condition?
a)Bilateral cleft lip
b)Unilateral cleft lip
c)Complete cleft palate
d)Partial ankyloglossia
b)Unilateral cleft lip
7. A dental assistant notices that a patient’s enamel appears discolored and structurally weak, but dentin appears normal.
Which condition is most likely?
a)Dentinogenesis imperfecta
b)Pulpitis
c)Amelogenesis imperfecta
d) Cementogenesis defect
c)Amelogenesis imperfecta
8. A patient with a heredity dental conditions presents with teeth that are structurally weak due to poor enamel calcification.
What is the primary defect?
a)Dentin formation
b)Enamel mineralization
c)Pulp development
d)Cementum formation
b)Enamel mineralization
9. Improper disposal of contaminated sharps results in injury to a dental assistant.
Which link in the chain of infection has been compromised?
a)Portal of entry
b)Mode of transmission
c)Reservoir
d)Susceptible host
a)Portal of entry
10. Which action best breaks the “mode of transmission” link in a dental assisting?
a)Reviewing medical history
b)Sterilizing instruments
c)Performing hand hygiene and using PPE
d)Encouraging proper nutrition
c)Performing hand hygiene and using PPE
A patient presents with oral candidiasis and is prescribed Nystatin.
What type of microoragnism is responsible for this condition?
a)Virus
b)Bacteria
c)Protozoa
d)Fungus
d)Fungus
12. Which term refers to disease causing microorganisms?
a)Nonpathogenic
b)Facultative
c)Pathogenic
d)Opportunistic
c)Pathogenic
13. A dentist writes a prescription but forgets to include the patient’s identification details.
What is the issue?
a)Ethical concern only
b)Minor documentation error
c)Violation of prescription requirements for monitored drugs
d)No issue
c)Violation of prescription requirements for monitored drugs
14 Which of the following must be included on a prescription for a monitored drug?
a)Patient’s favorite pharmacy
b)Patient identification and type of ID used
c)Assistant’s name
d)Insurance details only
b)Patient identification and type of ID used
15. Why does the Ministry of Health track prescriptions for monitored drugs?
a)To increase medication costs
b)To monitor and prevent misuse and diversion
c)To limit patient access
d)To reduce prescriptions
b)To monitor and prevent misuse and diversion