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2026/27 RDA Actual Exam Test Bank: 240 Most-Tested Questions & 100% Verified Answers for California Registered Dental Assistant Certification

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240 questions. 100% verified answers. Zero guesswork. You've studied the textbooks. You've practiced the procedures. You've memorized the infection control protocols until you could recite them in your sleep. But the California RDA exam doesn't care how hard you studied. It cares whether you know the answers to the exact questions they're going to ask. And here's the dirty secret about this exam: most of the questions come from a predictable pool of tested content. The same concepts. The same clinical scenarios. The same legal traps. Year after year after year. This bank gives you that pool. What's inside that you won't find anywhere else: Scope of Practice Clarity: Exactly who can legally do what—from placing bases and liners to removing cement to taking impressions for crown and bridge. The questions that trip up 40% of first-time candidates. Infection Control & OSHA: The correct PPE removal order, the handpiece flushing protocol, the difference between critical and semi-critical instruments, and the exact steps when a glove rips mid-procedure. Medical Emergencies: From syncope to hypoglycemia to anaphylaxis—the signs, symptoms, and first-response protocols that appear on every single exam. Dental Materials: Zinc phosphate vs. ZOE vs. glass ionomer, varnish vs. sealer, the difference between dual-cure and self-cure, and why you NEVER use varnish under composite. Radiology & Radiation Safety: The 6-foot rule, collimation, digital sensor barriers, and who can legally hold films for a child. Law & Ethics: The Dental Practice Act essentials, mandated reporting obligations, and the unprofessional conduct definitions you need to know cold. Pharmacology: Bronchodilators, epinephrine, nitroglycerin, Coumadin, and the emergency kit drugs that show up on every version of this exam. Why this bank is different: Every single answer is 100% verified against the Dental Board of California's current regulations and the actual exam blueprint. Each question is formatted exactly like the real exam—scenario-based, clinically precise, and designed to test your judgment, not just your memory.

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RDA ACTUAL EXAM TEST BANK ( CALIFORNIA)
2026/27: 240 MOST-TESTED QUESTIONS AND 100%
VERIFIED ANSWERS | GRADED A+ |
GUARANTEED PASS!!

______ is another type of vital sign that measures the concentration of oxygen in
blood
ANS: Pulse oximetry

________ is a removal prothesis that replaces one or several teeth.
ANS: Partical

For right-handed dentist, where is the static zone located?
ANS: 12 to 2 o'clock

How are brackets adhered to a tooth?
ANS: Cement

How are handpieces ran?
ANS: Air-driven dental handpieces contain an air turbine in the head.

How can an RDA adjust a denture?
ANS: Allowed to adjust sore spots of the denture

How many hours do you have to report child abuse?
ANS: 36 hours

How often do you run waterlines and for how long?
ANS: for a minimum of 20-30 seconds after each patient

How should bleaching instructions be given to a patient?
ANS:

If a blood pressure reading of 142/96 is obtained on an adult, it is classified as
ANS: hypertension

,If a bronchodilator is found in the office emergency kit, it is commonly used for
what purpose?
ANS: Asthma attack

If a medication were placed sublingually, where would it be places?
ANS: Under the tongue

If an patient tells you how he or she is feeling, the patient is referring to a
ANS: symptom

If epinephrine is found in the office emergency kit, it is commonly used for what
purpose?
ANS: Allergic reaction

If the dentist asks for another Carpule of anesthetic during procedure how would
you get it?
ANS: Cotton Pilars or take of glove & grab it

If the materials notes that is "dual cure" means
ANS: the material will enter the initial setting phase on its own but needs the
curing light to complete the setting process

If the patient experiences an asthma attack while being treated, the dental team
should
ANS: perform all of the above procedures

In accordance with California regulation, the high-speed hand piece line and
air/water syringe should be flushed with water
ANS: after each patient

In children, which teeth are most frequently injured?
ANS: Maxillary anterior

In emergency care, the acronym AED represents
ANS: Automated External Defibrillator

In what direction do you coronal polish
ANS: Toward the incisal & occlusal edge

, Indirect vision is the process of using a mouth mirror for vision in the oral cavity
ANS: True

Instrument cassettes should be wrapped
ANS: After cleaning and before sterilization

Instruments with the greatest risk of transmitting infection are
ANS: critical instruments

It is acceptable and customary to trim a provisional intraorally.
ANS: False

It is unprofessional conduct for a licensed person to perform or hold him or herself
out as able to perform, professional services beyond the scope of his or her license
and field or fields of competence as established by his or her education,
experience, and training.
ANS: True

It will take some time and training to grow accustom to using an intra oral camera
ANS: True

Motions are categorized into _____ categories dependent upon the extent of the
motion and the nature of the movement.
ANS: 5

Obturate means to
ANS: fill a pulpal canal

Of the common medical emergencies in a dental setting, the emergency where a
patient experiences a bad mood, anxiety and appears sweaty is
ANS: hypoglycemia

Of the common medical emergencies in a dental setting, the emergency where a
patient experiences nausea, pounding heartbeat and feeling warm is ___________
ANS: syncope

On the California RDA written examination, only the clinical name, not the brand
name, of a material will be used.
ANS: True

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