24: Component B—Review Questions

Component B—Review Questions

Answers and Rationales to Component B Review Questions are located on this text’s accompanying Evolve site. image

Component B of the Simulated National Board Dental Hygiene Exam (also referred to as the PM portion taken in the afternoon on examination day) is based on Cases A to J. Relevant illustration for each case are followed by test questions relating to the case. Many of the radiographs and clinical photographs used in these pages have been cropped, reduced, or enlarged to enhance the clarity of the structures or lesions they represent.

Case A






1. Which of the following medications is prescribed for this client’s treatment of high blood pressure?

2. The radiopaque line observed on the panoramic radiograph that runs horizontally across the maxilla from molar to molar is caused by the:

3. The gingival recession noted on tooth #3 is MOST likely caused by:

4. Using G. V. Black’s classification of dental caries and restorations, which of the following describes the restoration on tooth #3?

5. The alignment of teeth #24 and 25 in relation to the client’s occlusion are referred to as:

6. Which of the following is the radiolucent area viewed on the apical area of tooth #20?

7. Which of the following home care aids would be MOST useful for this client to clean underneath her bridges?

8. During client preparation for the panoramic radiograph, a lead apron without a thyroid collar should be placed around the client’s neck because the thyroid collar:

9. The redness on the marginal gingiva of tooth #11 is MOST likely caused by:

10. Which of the following BEST describes the contour of the interdental papilla around teeth #23, #24, #25, and #26?

11. The endodontic material used to obturate the roots of teeth #4, #13, and #19 during endodontic therapy is MOST likely:

12. The amount of recession observed on tooth #3 is 6 mm, and the pocket depth is 3 mm. Which of the following accurately reflects the clinical attachment level?

13. Which of the following is an advantage of the porcelain-fused-to-metal crowns observed in this client compared with a porcelain-only crown?

14. The daily dosage of aspirin taken is sufficient to cause:

15. The incisal edges of the anterior mandibular teeth are characteristic of:

Case B






1. Which of the following BEST describes this client’s vital signs?

2. The 15 mg of lansoprazole (Prevacid) taken by this client is indicated for:

3. The dark brownish area on the gingival and alveolar mucosa on the area of tooth #10 is caused by:

4. At the end of oral prophylaxis, the dental hygienist applied fluoride varnish to the client’s teeth. Varnish consists of:

5. During the bitewing technique, the central ray of the x-ray beam should be directed at:

6. During treatment, the dental hygienist noticed excessive salivation in the client. Which of the following salivary glands produce the largest amount of saliva in the mouth?

7. Which of the following BEST describes the relationship of the incisal occlusion of anterior teeth?

8. The cause of the generalized white areas observed on most of the teeth is MOST likely caused by:

9. The BEST rationale for the 5-mm probe reading on the mesiobuccal of tooth #18 is:

10. Which of the following is a motivator to help this client improve his home plaque removal routine?

11. The dentist has recommended that this client’s parents consult with an orthodontist. If the client has orthodontic appliances placed on his teeth, which of the following would you NOT recommend as an adjunct to his home care after his braces are placed?

12. The spacing observed between the anterior maxillary teeth is:

13. As indicated in the client’s dental history, this client is a mouthbreather. All of the following are significant oral conditions common in mouthbreathers EXCEPT one. Which one is the EXCEPTION?

14. During football season, this client would benefit from a mouth protector because of all the following reasons EXCEPT one. Which one is the EXCEPTION?

15. The type of material used for athletic mouth protectors is referred to as:

Case C







1. This client was diagnosed with stage 2 chronic kidney disease. What does stage 2 imply?

2. All of the following drugs use the kidneys as a major pathway of elimination and must be used with caution for this client EXCEPT one. Which one is the EXCEPTION?

3. The impaired kidney function can lead to the following effects EXCEPT one. Which one is the EXCEPTION?

4. Recommended dental hygiene care for this client who has stage 2 kidney disease should include:

5. Prolonged alcohol use MOST commonly increases the incidence of damage to the:

6. Which of the following oral conditions is this client MOST susceptible to because of his alcoholism?

7. All of the following are common extraoral signs of alcoholism EXCEPT one. Which one is the EXCEPTION?

8. The type of cyst found on the apical area of tooth #21 can be BEST described as a:

9. A radiopaque line mainly composed of dense cortical bone found above the apices of maxillary premolars and molars in this client’s posterior maxillary radiographs is known as the:

10. The technique error in the upper left molar periapical radiograph can be corrected by:

11. Which of the following is the BEST choice to remove subgingival calculus in this client?

12. The mandibular occlusal intraoral photograph of this client confirms that one of the following treatment needs was performed first. Which treatment need is it?

13. The MOST probable cause for the alignment of teeth #8 and #9 is:

14. The classification of dental caries in teeth #29 and #31 can be BEST identified as________ and ________ respectively:

15. This client wants to use a mouthrinse because he believes it will make his mouth feel fresher. You have instructed him to use a fluoridated, essential oils–containing mouthrinse without alcohol with the American Dental Association (ADA) Seal of Acceptance. Other than his alcoholism, the following represent other good reasons for recommending an ADA-accepted mouthrinse with essential oils EXCEPT one. Which one is the EXCEPTION?

Case D










1. How would you describe the classification of an ASA (American Society of Anesthesiologists) physical status II client?

2. According to Black’s classification of restorations, which of the following describes the restoration on tooth #3?

3. Which of the following terms BEST describes the radiopaque lesion in the left maxillary sinus?

4. During the panoramic radiography procedure, what will be the result if the patient’s head is positioned too high or is tipped upward and the Frankfort plane is angled upward?

5. Which of the following BEST describes the conditions in the cervical areas of maxillary left and right molars?

6. Which of the following is the BEST term for the sign of the disease or disorder on tooth #14?

a. Recurrent caries

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Jan 1, 2015 | Posted by in Dental Hygiene | Comments Off on 24: Component B—Review Questions
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