Dental Radiography principals and Techniques 5th edition by Joen Iannucci
Dental Radiography principals and Techniques 5th edition by Joen Iannucci
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Chapter 24: Imaging of Patients with Special Needs
Complete Chapter Questions With Answers
Sample Questions Are Posted Below
MULTIPLE CHOICE
| a. | larynx. |
| b. | pharynx. |
| c. | soft palate. |
| d. | hard palate. |
ANS: C
The gag reflex is elicited by stimulation of the sensitive tissues of the soft palate.
DIF: Recall REF: Page 277 OBJ: 3
TOP: CDA, RHS, I.D.2. Describe techniques for patients with a severe gag reflex
MSC: NBDHE, 3.0 Planning and Managing Dental Hygiene Care
| a. | voluntary; an increased rate |
| b. | involuntary; cessation |
| c. | voluntary; cessation |
| d. | involuntary; an increased rate |
ANS: B
The gag reflex is an involuntary effort, preceded by cessation of respiration.
DIF: Comprehension REF: Page 277 OBJ: 3
TOP: CDA, RHS, I.D.2. Describe techniques for patients with a severe gag reflex
MSC: NBDHE, 3.0 Planning and Managing Dental Hygiene Care
| a. | Maxillary premolar |
| b. | Maxillary molar |
| c. | Mandibular premolar |
| d. | Mandibular molar |
ANS: B
The maxillary molar receptor placement is most likely to elicit the gag reflex.
DIF: Recall REF: Page 278 OBJ: 2
TOP: CDA, RHS, I.D.2. Describe techniques for patients with a severe gag reflex
MSC: NBDHE, 3.0 Planning and Managing Dental Hygiene Care
| a. | 1, 2, 3 |
| b. | 2, 1, 3 |
| c. | 2, 3, 1 |
| d. | 3, 1, 2 |
ANS: A
Anterior, premolar, and then molar receptor placement would represent the suggested sequence for a patient who is likely to gag.
DIF: Comprehension REF: Page 278 OBJ: 4
TOP: CDA, RHS, I.D.2. Describe techniques for patients with a severe gag reflex
MSC: NBDHE, 3.0 Planning and Managing Dental Hygiene Care
| a. | Slide the receptor along his palate. |
| b. | Slowly place the receptor in his mouth to avoid stimulating his gag reflex. |
| c. | Let the patient get used to each receptor placement, and wait 20 seconds before exposing the receptor. |
| d. | Put your finger on the tissue where the receptor will be placed to demonstrate the receptor placement. |
ANS: D
Sliding the receptor along the palate stimulates this sensitive area and causes the gag reflex. Suggestions to avoid stimulating the gag reflex include demonstrating receptor placement in the area where the receptor will be placed to desensitize the tissue. The longer the receptor placement takes, the more likely the patient is to gag.
DIF: Comprehension REF: Page 279 OBJ: 4
TOP: CDA, RHS, I.D.2. Describe techniques for patients with a severe gag reflex
MSC: NBDHE, 3.0 Planning and Managing Dental Hygiene Care
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