California RDA Written Exam Practice Tests

Becoming a Registered Dental Assistant is both a gratifying and challenging career. If you're interested, we encourage you to try our 'California RDA Written Exam Practice Tests.' This quiz offers insightful questions designed to make you think and enhance your exam preparation. Remember, all questions are mandatory. Best of luck on your exams and keep studying!

Edited by Me.bot Editorial Team Questions: 50 September 19, 2024

Character Test

1. What charting symbol best indicates a tooth that is not visible in the mouth?

Outline with diagonal lines

Circle around the tooth

Diagonal lines

Double cross

2. A base is placed ____________________ :

As a measure of protection for the pulp

Because decay or trauma was close to the pulp

On the floor of the tooth preparation

Immediately after etching the tooth

3. According to the Dental Board regulations, how long should sterilization monitoring records be stored?

Three years from the date the load was originally processed

One year

Two years

Five years

4. Which of the following is an example of an OSHA required sharp with engineered injury protection?

A self-sheathing needle attached to a dental anesthetic syringe

A needle cap holder built into an instrument cassette

A cardboard needle guard added to a dental anesthetic needle

A retractable lancet for glucose testing

5. The air/water syringe is primarily used during the coronal polishing procedure to _____________________ :

Dry the tooth surfaces

Encourage drying of the mucosa

Remove the remaining paste

Irrigate the oral cavity

6. Which of the following should be done FIRST if an adult patient does not have a pulse?

Call for emergency assistance

Administer CPR

Call the patient's medical doctor

Administer oxygen

7. Oral surgical procedures require the use of ______________________ :

Sterile irrigating solutions using a sterile delivery system

Chemical agents to disinfect the water and water lines

Water that meets Environmental Protection Agency (EPA) drinking water standards

Sterile saline solution

8. When setting up an instrument tray or cassette, the instruments should be set up _____________________ :

From left to right

From right to left

From top to bottom

From bottom to top

9. Who legally owns a patient's dental radiographs?

The dentist

The patient

The radiologist

The dental practice

10. Calcium hydroxide is used in dentistry as a ____________________ :

Liner

Base

Matrix

Filler

11. Prior to sterilization, loose contaminated instruments are processed in an ultrasonic cleaner to _____________ :

Remove debris and bioburden

Clean then disinfect

Remove all microorganisms

Disinfect the clean

12. A critical step for healthcare workers in preventing the spread of disease is proper hygiene of one's ____________________ :

Hands

Hair

Eyes

Face

13. The purpose of dental sealants is ______________________ :

To prevent decay in the pits and fissures of teeth

To promote good oral health

To prevent decay from spreading

To seal interproximal spaces

14. Elevating the patient's feet above the head to increase blood flow to the brain is the response to what medical condition?

Syncope

Allergic reactions

Diabetes

Heart problems

15. Angle's classifications are used to classify and describe ________________________ :

Malocclusion

Natural teeth in the dentition

Types of dental caries

Hand instruments

16. The portion of a dental instrument held by the operator is called the _______________ :

Handle

Working end

Shank

Tip

17. Which of the following describes the best way to remain approachable to an anxious patient?

Encourage questions

Work slowly

Encourage quiet

Use soothing sounds

18. The patient record is a permanent document of whom?

The dental practice

The patient

The dentist

A court of law

19. The dental history portion of a patient provides the dental team with information regarding what information?

Previous dental care and treatment

Necessary dental care and treatment

Dental procedures that are legal for the dentist to complete

Data about the previous hygienist

20. Which of the following products contains calcium hydroxide?

Dycal

ZPC

ZOE

Polycarboxylate

21. What type of mechanical device is used to clean contaminated instruments prior to sterilization?

Ultrasonic

Hypersonic

Supersonic

Subsonic

22. While cleaning contaminated instruments, an assistant receives a percutaneous injury to the finger. The assistant should FIRST _______________________________ :

Wash hands with soap and water

Notify the dentist/employer

Wipe puncture with glutaraldehyde

Be evaluated by a physician

23. Why are pits and fissures susceptible to caries?

These areas are difficult to clean

Fluoride is less effective in these areas

Saliva pools in these areas

These areas are hard to evaluate on a radiograph

24. Clinical considerations for patients with bronchial asthma should include _________________________ :

Shorter appointments to reduce stress

Paying attention to vinyl use

Avoiding the use of sedatives

Having ammonia inhalant available

25. Spreaders and pluggers are used in the :

Obturation of a root canal

Placement of a gold foil

Seating of a Maryland bridge

Placement of an amalgam restoration

26. What instrument is ideal for carving occlusal amalgams?

Discoid-cleoid carver

Half-hollenback carver

Burnisher

Beavertail burnisher

27. According to California regulations, who is legally allowed to place a base during a restoration procedure?

Dentist

RDA

Both A and B are correct

28. According to the Dental Board regulations, what is the proper method for decontaminating impressions before sending them to the laboratory?

Clean and disinfect using an intermediate level disinfectant

Clean with soap and water

Spray with mouthwash

Disinfect, package and sterilize

29. A single-use item reduces the risk of disease transmission because it is:

Discarded and not reused

Cleaned and not reused

Sterilized and reused

Disinfected and reused

30. Are sealants the only preventative measure used?

Yes

31. What are the ways for sealant materials to harden?

All the above

Polymerization

Light-cure

Self-cure

32. A patient with which of the following medical conditions may benefit from prophylactic sublingual nitroglycerin?

Cardiovascular disorders

Neuromuscular disorders

Pulmonary disorders

Endocrine disorders

33. Which of the following is one of the signs of anaphylactic shock?

Respiratory distress

Erythema

Itching

Rise in blood pressure

34. To prevent alveolitis after a tooth extraction, the patient should be instructed to:

Avoid drinking through a straw

Rinse vigorously the first 24 hours

Take aspirin for the first 24 hours

Place ice packs on the face

35. The dental specialty that deals with the diagnosis and treatment of disease of supporting tissues is : _______________________________

Periodontics

Endodontics

Pediatrics

Orthodontics

36. The dental unit provides necessary electricity and hoses with air and water to the patient chair and the _____________________ delivery system is positioned behind the patient's head

Rear

Front

Side

Top

37. Which instrument is used to place and remove elastic ties and remove orthodontic separators?

Orthodontic scaler

Elastic separating pliers

Wax spatula

Scalpel

38. What is a temporary sedative dressing or a direct provisional restoration?

A temporary filling

A temporary crown

A permanent restoration

None of the above

39. According to California regulations, who is legally allowed to place a liner during a restorative procedure?

Dentist

RDA

Both A and B are correct

40. Which set of precautions is intended to prevent exposure to all body fluids?

Standard

Generic

Universal

Direct

41. The majority of the spray produced by dental hand pieces consists of ___________________________ :

Saliva

Lubricant

Blood

Spatter

42. According to OSHA, which infection control measure is considered the most critical for reducing the transmission of microbes in the healthcare setting?

Hand washing

Immunization

Disinfection

Sterilization

43. A used dental anesthetic needle is an example of _________________________ :

Regulated waste

Non-disposable waste

Household waste

General waste

44. Why is clear sealant material less desirable?

It is more difficult to evaluate

It is less attractive

It does not match tooth color

It is contraindicated with dental restorations

45. What is the difference between filled and unfilled sealants regarding retention rates?

No difference

Filled is much stronger

Unfilled will last longer

The filler is weaker

46. If a blood pressure reading of 142/96 is obtained on an adult, it is classified as _________________________ :

Hypertension

Normal

Hypotension

Pre-hypertension

47. What is the ratio of breaths to compressions for an adult victim when CPR is performed?

2 breaths/30 compressions

1 breath/5 compressions

3 breaths/20 compressions

2 breaths/7 compressions

48. A surgical dressing that is applied to the surgical site for protection is called a _________________________ :

Periodontal dressing

Osteoplasty

Periodontal pocket

Ostectomy

49. When a person occludes, and mandibular anterior teeth cannot be seen, the diagnosis is:

Overbite

Overjet

Crossbite

Open bite

50. What type of radiograph is most commonly exposed in endodontics?

Periapical

Cephalometric

Panoramic

Bitewing

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Frequently Asked Questions

What is the purpose of the California RDA Written Exam Practice Tests?

How can the California RDA Written Exam Practice Tests benefit me?

Are all the questions in the California RDA Written Exam Practice Tests mandatory?

What type of questions can I expect in the California RDA Written Exam Practice Tests?

Can these California RDA Written Exam Practice Tests improve my chances of passing the certification exam?

The California RDA Written Exam Practice Tests are designed to help aspiring Registered Dental Assistants prepare for their certification exams with informative and thought-provoking questions.

These practice tests offer a fantastic means to enhance your examination preparations by challenging your knowledge and understanding of the required topics.

Yes, all questions in the California RDA Written Exam Practice Tests are compulsory, ensuring comprehensive coverage of key topics.

The questions are informative and designed to make you critically think, helping to deepen your understanding and readiness for the actual exam.

Absolutely! By thoroughly preparing with the California RDA Written Exam Practice Tests, you can enhance your knowledge and boost your confidence, thereby improving your chances of passing the certification exam.

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