Dental Hygiene Theory and Practice
Exam Preparation Guide
Course Introduction
Dental Hygiene Theory and Practice introduces students to the foundational principles and practical skills necessary for preventive oral health care. The course covers the scientific basis of dental hygiene, including oral anatomy, infection control, and disease prevention. Students learn to assess patients oral health, develop care plans, and perform procedures such as scaling, polishing, and application of fluoride. Emphasis is placed on effective communication, patient education, ethics, and evidence-based decision making to prepare students for clinical experiences and professional practice as dental hygienists.
Recommended Textbook
Local Anesthesia for the Dental Hygienist 1st Edition by Demetra D. Logothetis
Available Study Resources on Quizplus 15 Chapters
509 Verified Questions
509 Flashcards
Source URL: https://quizplus.com/study-set/1617 Page 2
Chapter 1: Local Anesthesia in Dental Hygiene Practice: an Introduction
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34 Verified Questions
34 Flashcards
Source URL: https://quizplus.com/quiz/32123
Sample Questions
Q1) The first local anesthetic used in dentistry was which of the following?
A) Novocaine
B) Cocaine
C) Procaine
D) Lidocaine
Answer: B
Q2) The newest amide to arrive on the dental market in the United States is which one of the following?
A) Articaine
B) Mepivacaine
C) Lidocaine
D) Bupivacaine
Answer: A
Q3) Who was the first dentist to use "laughing gas" for dental procedures?
A) William Clarke
B) Horace Wells
C) Henry Beecher
D) Nils Lofgren
Answer: B
Page 3
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Chapter 2: Neurophysiology
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Sample Questions
Q1) What is the most distal arborization of the nerve endings called?
A) Dendritic zone
B) Soma
C) Axon hillock
D) Output zone
Answer: A
Q2) What is the name of the portion of the sensory neuron that is easily excited and has the most negative action potential threshold?
A) Dendritic zone
B) Soma
C) Axon hillock
D) Output zone
Answer: C
Q3) What are the nerves that conduct signals away from the brain or spinal cord called?
A) Neurotransmitters
B) Electrical synapses
C) Afferent nerves
D) Efferent nerves
Answer: D
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Page 4
Chapter 3: Pharmacology of Local Anesthetic Agents
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33 Verified Questions
33 Flashcards
Source URL: https://quizplus.com/quiz/32125
Sample Questions
Q1) What is the significant clinical difference between esters and amides?
A) Potential for allergic reactions
B) Cross-hypersensitivity
C) Lipid solubility
D) Drug potency
Answer: A
Q2) The rate of systemic absorption of local anesthetics depends on the total dose,concentration,route of administration,vascularity of tissues,and presence or absence of a vasoconstrictor.
A)True
B)False
Answer: True
Q3) Based on Sam's physical symptoms,what should you consider?
A) Sam is extremely relaxed and his blood pressure medication is working.
B) Sam is extremely stressed.
C) Sam may be experiencing a mild overdose to the anesthetic.
D) Sam may be experiencing a cardiovascular crisis.
Answer: D
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Chapter 4: Pharmacology of Vasoconstrictors
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Sample Questions
Q1) Why is there such a difference in the number of epinephrine-anesthesia cartridges that a healthy patient may have per dental appointment and that a patient with cardiovascular disease may have per dental appointment?
Q2) What factors might contribute to an accidental overdose of vasoconstrictors?
A) Poor technique
B) Selection of an inappropriate type of vasoconstrictor
C) Too much vasoconstrictor administered
D) All of the above
Q3) The number of 1:200,000 epinephrine-anesthesia cartridges that a patient with cardiovascular disease may have per dental appointment is ______.
Q4) Why are vasoconstrictors important additives to the local anesthetic solution?
1) They provides hemostasis at the injection site.
2) They reduces the possibility of systemic toxicity.
3) They prolongs the duration of the anesthetic's effect.
4) They increases the blood flow to the area.
A) Some other combination
B) 2, 3
C) 1, 2, 3
D) All of the above
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Chapter 5: Local Anesthetic Agents
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33 Verified Questions
33 Flashcards
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Sample Questions
Q1) Which of the following statements best describes levonordefrin?
A) Levonordefrin is a vasoconstrictor added to mepivacaine.
B) Levonordefrin is a vasodilator added to mepivacaine.
C) Levonordefrin is an amide local anesthetic.
D) Levonordefrin is an ester local anesthetic that is not used in dentistry today.
Q2) Among local anesthetics procaine has the highest percentage of protein binding and is the most lipid soluble.
A)True
B)False
Q3) Septocaine,Zorcaine,and Articadent are the proprietary names for which of the following?
A) Lidocaine
B) Prilocaine
C) Articaine
D) Bupivacaine
Q4) Which two local anesthetic agents have the least vasodilating properties?
Q5) Name the local anesthetic that produces an intermediate duration when administered as a block injection.
Q6) Name the only long-lasting local anesthetic available for use in dentistry.
Page 7
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Chapter 6: Topical Anesthetic Agents
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33 Verified Questions
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Sample Questions
Q1) Which of the following are best practices to follow when administering local anesthesia of any kind in the dental office?
1) Review the patient's health and dental history at all appointments.2. Use the lowest concentration of anesthesia to satisfy clinical requirements.3. Limit the area of application.4. Know the concentration of the drug being used.
A) 2, 3, 4
B) 1, 3
C) Some other combination
D) All of the above
Q2) What is the name of a common ketone topical anesthetic?
A) Lidocaine
B) Dyclonine hydrochloride
C) Tetracaine hydrochloride
D) Benzocaine
Q3) Benzocaine topical anesthetic exists almost entirely in its base form,making absorption into circulation high.
A)True
B)False
Q4) List the methods for delivery of topical anesthetic drugs.
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Chapter 7: Preanesthetic Assessment
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33 Verified Questions
33 Flashcards
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Sample Questions
Q1) Patients taking tricyclic antidepressants
A)Life-threatening syndrome caused by general anesthetics
B)Avoid use of vasopressors; may lead to myocardial infarction
C)Competitively inhibits PABA in microorganisms
D)Will inhibit the reuptake of vasoconstrictor
E)Frequently prescribed for the treatment of myasthenia gravis and glaucoma
F)Increases effects of epinephrine; avoid levonordefrin
G)Use esters or amides judiciously because they may increase risk of toxicity
H)Administer prilocaine or articaine because this drug reduces liver capacity to metabolize amides
I)Administer prilocaine or articaine as these drugs decrease hepatic blood flow
J)Limit amount of vasopressor because it can increase ocular pressure
Q2) Local anesthetics containing a vasoconstrictor are relative contraindications for a patient who reports experiencing an allergic reaction to local anesthetics in the past.
A)True
B)False
Q3) Dilantin will decrease the efficacy of epinephrine.
A)True
B)False
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Page 9
Chapter 8: Determining Drug Doses
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33 Verified Questions
33 Flashcards
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Sample Questions
Q1) What is the formula for calculating the healthy patient's MRD in mg?
Q2) What is the MRD for articaine for a 115-pound patient?
A) 352 mg/lb
B) 297 mg/lb
C) 230 mg/lb
D) 69 mg/lb
Q3) MRD of the local anesthetic agent should be decreased for patients with medically compromised situations,the elderly patient,and children.The lowest effective dose should be administered to any of these patients.
A) Both statements are true.
B) Both statements are false.
C) The first statement is true; the second statement is false.
D) The first statement is false; the second statement is true.
Q4) What is the maximum number of cartridges of 1:50,000 epinephrine that can be administered to a medically compromised patient?
A) 5.5 cartridges
B) 11.1 cartridges
C) 2.2 cartridges
D) 1.1 cartridges
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Chapter 9: Armamentariumsyringe Preparation
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Sample Questions
Q1) Which part of the syringe must be pulled back when inserting the anesthetic cartridge?
A) The internal end of the piston with the harpoon
B) The external end of the piston
C) The harpoon only
D) The rubber stopper
Q2) According to Malamed,what kind of needles are most likely to break?
A) 30-gauge short or ultrashort needles
B) 25-gauge long needles
C) Short needles, no matter the gauge
D) Long needles, no matter the gauge
Q3) What is produced when the thumb ring of a syringe is pulled back by the clinician,causing retraction of the rubber stopper?
A) Positive aspiration
B) Negative aspiration
C) Negative pressure
D) b and c
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11
Chapter 10: Anatomic Considerations for the
Administration of Local Anesthesia
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36 Verified Questions
36 Flashcards
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Sample Questions
Q1) The coronoid notch is a landmark for the administration of which injection?
A) Anterior superior alveolar nerve block
B) Posterior superior alveolar nerve block
C) Inferior alveolar nerve block
D) Lingual nerve block
Q2) What is the median palatine raphe?
A) A fibrous band of tissue
B) A landmark for the administration of the anterior middle superior alveolar block
C) The tissue that covers the suture between the two palatine processes of the maxillae
D) All of the above
Q3) When the clinician administers an IO injection,which nerves are anesthetized?
A) Posterior superior alveolar, middle superior alveolar, and ophthalmic nerves
B) Posterior superior alveolar, middle superior alveolar, and infraorbital nerves
C) Anterior superior alveolar, middle superior alveolar, and infraorbital nerves
D) Some other combination of nerves
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12
Chapter 11: Basic Injection Techniques
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33 Verified Questions
33 Flashcards
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Sample Questions
Q1) What can the clinician safely do if a patient is experiencing excessive bleeding while undergoing root planing?
A) Administer more anesthesia plus vasoconstrictor
B) Infiltrate epinephrine 1:50,000 in small amounts directly into area of bleeding
C) Use a larger volume of anesthetic
D) Reschedule the patient for another appointment after some tissue healing
Q2) List the specific local anesthetic information that should be included in the chart documentation.
Q3) Which of the following are considerations the clinician must respect when choosing the appropriate administration technique?
A) Area to be treated
B) Duration of anesthesia needed
C) Comfort needs of the patient
D) All of the above
Q4) The incidence of occupational exposures is reduced for the experienced clinician. A)True
B)False
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13
Chapter 12: Maxillary Nerve Anesthesia
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33 Verified Questions
33 Flashcards
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Sample Questions
Q1) What is an important post-infraorbital injection procedure?
A) The clinician should check for a hematoma across the lower eyelid.
B) Maintain pressure and massage the solution into the infraorbital foramen for approximately 2 minutes to enhance anesthetic diffusion.
C) Maintain finger pressure on the infraorbital foramen during the injection to help keep the syringe toward the foramen.
D) All of the above.
Q2) What should the clinician do if she accidently positions the anesthetic needle against the periosteum and bony contact is made?
A) Withdraw the needle and reinsert if farther away from the periosteum.
B) Withdraw the needle and change it because it may be dull.
C) Withdraw the needle, apply more topical anesthetic, and select a different injection to perform first.
D) Without withdrawing the needle, move the needle slightly, aspirate, and attempt anesthesia again.
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14
Chapter 13: Mandibular Nerve Anesthesia
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35 Verified Questions
35 Flashcards
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Sample Questions
Q1) Periodontal ligament injections are utilized when pulpal anesthesia is indicated on a single tooth in the mandibular arch.
A)True
B)False
Q2) Where is the pterygomandibular fold located?
A) It extends in front of the most distal mandibular molar and retromolar pad.
B) It runs vertically to the posterior border of the mandible.
C) It turns superior to the junction of hard and soft palates.
D) It separates the buccal mucosa from the palatal mucosa.
Q3) With the PDL injection,multirooted teeth require an injection for each root.
A)True
B)False
Q4) Because the bone is denser on the mandibular anterior teeth than on the mandibular posterior teeth,a supraperiosteal injection may be less successful than a supraperiosteal injection on the posterior teeth.
A)True
B)False
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15
Chapter 14: Local Anesthetic Complications
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33 Verified Questions
33 Flashcards
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Sample Questions
Q1) On reviewing the dental patient's health history and dental history,what would be a best practice to in dealing with information that could adversely affect dental treatment?
A) Tell the supervising dentist.
B) Record the conditions in red as a medical alert on the patient's medical history.
C) Document in the chart notes that you checked the patient's health history.
D) Refer patient to a specialist.
Q2) Which of the following best practices will help to prevent infection caused by the administration of local anesthetic?
A) Wipe needle with disinfectant
B) Store anesthetic cartridges in disinfectant solutions
C) Sheath needle before and immediately after injection
D) All of the above
Q3) Which of the following could be cause for pain during injection?
A) Dull needle
B) Barbed needle
C) Lack of communication
D) All of the above
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16
Chapter 15: Legal Considerations and Risk Management
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33 Verified Questions
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Sample Questions
Q1) Which of the following is true regarding the best practice in obtaining informed consent?
A) Clearly present only the benefits associated with the procedure.
B) Ultimately, it is the patient's decision whether to accept a procedure or not.
C) Presenting the risks of the procedure could possibly scare the patient into choosing not to have the procedure performed.
D) Tweens and teenagers are capable of granting their own informed consent for treatment.
Q2) The qualified health care provider corresponds directly with the exposed health care worker so as not to violate HIPPA.
A)True
B)False
Q3) Postexposure management's goal is to contain the injury to reduce the possibility of disease transmission.
A)True
B)False
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