NBDHE Dental Hygienist Practice
1. Hypersensitivity of a root lessens as the tooth forms which of the following?
a. Periodontal Ligament
b. Pulp
c. Cellular cementum
d. Enamel: c. Cellular cementum
2. What nerve supplies the intrinsic muscles of the tongue?
a. Trochlear
b. Trigeminal
c. Glossopharyngeal
d. Hypoglossal
e. Accessory: d. Hypoglossal
3. .Which of the following is the most radioresistant?
a. Glands
b. Reproductive organs
c. Bone Marrow
d. Skin
e. Nerves: e. Nerves
4. Fluoride is typically introduced in all of the following ways except by
?
a. Drinking water
b. Vitamins
c. Injection
d. Toothpaste
e. Mouthwash: c. Injection
5. Gingivitis is considered controlled when
a. the gums reach the crown.
b. no deep pockets appear in the gums
c. the gums appear firm
d. the plaque has been removed
e. there's no bleeding around the gums: e. there's no bleeding around the gums
6. A flat stone may be used to sharpen a curette by hand. The face of the curette should be at what angle to the
stone?
, NBDHE Dental Hygienist Practice
a. 50-65 degrees
b. 75-85 degrees
c. 90-100 degrees
d. 100-110 degrees
e. 125-135 degrees: d. 100-110 degrees
7. Radiographic intensifying screens are used for
a. magnification
, NBDHE Dental Hygienist Practice
b. sharpening the image
c. reducing the patient dose
d. reflecting harmful rays
e. expediting the processing time: c. reducing the patient dose
8. After an outbreak of herpetic gingivostomatitis, the herpes simplex virus may remain dormant in which of
the following?
a. Sensory ganglion
b. Salivary Glands
c. Blood
d. Ligaments
e. Lymph nodes: a. Sensory ganglion
9. Which of the following is a characteristic of an overdenture?
a. No natural teeth remain
b. Natural teeth remain
c. Used with an overbite
d. Used with an underbite
e. Covers the denture: b. Natural teeth remain
10.A dental carie is another name for a .
a. Dental iinstrument
b. The gum line
c. Cavity
d. Plaque build-up
e. Gingivitis: c. Cavity
11.Which of the following is one of the main reasons for a root canal?
a. tooth is cracked
b. The pulp can't be fixed
c. Gums are bleeding
d. A cavity is present
e. Enamel is worn off: b. . The pulp can't be fixed
12.Vital whitening is performed on which of the following?
a. Dentures
1. Hypersensitivity of a root lessens as the tooth forms which of the following?
a. Periodontal Ligament
b. Pulp
c. Cellular cementum
d. Enamel: c. Cellular cementum
2. What nerve supplies the intrinsic muscles of the tongue?
a. Trochlear
b. Trigeminal
c. Glossopharyngeal
d. Hypoglossal
e. Accessory: d. Hypoglossal
3. .Which of the following is the most radioresistant?
a. Glands
b. Reproductive organs
c. Bone Marrow
d. Skin
e. Nerves: e. Nerves
4. Fluoride is typically introduced in all of the following ways except by
?
a. Drinking water
b. Vitamins
c. Injection
d. Toothpaste
e. Mouthwash: c. Injection
5. Gingivitis is considered controlled when
a. the gums reach the crown.
b. no deep pockets appear in the gums
c. the gums appear firm
d. the plaque has been removed
e. there's no bleeding around the gums: e. there's no bleeding around the gums
6. A flat stone may be used to sharpen a curette by hand. The face of the curette should be at what angle to the
stone?
, NBDHE Dental Hygienist Practice
a. 50-65 degrees
b. 75-85 degrees
c. 90-100 degrees
d. 100-110 degrees
e. 125-135 degrees: d. 100-110 degrees
7. Radiographic intensifying screens are used for
a. magnification
, NBDHE Dental Hygienist Practice
b. sharpening the image
c. reducing the patient dose
d. reflecting harmful rays
e. expediting the processing time: c. reducing the patient dose
8. After an outbreak of herpetic gingivostomatitis, the herpes simplex virus may remain dormant in which of
the following?
a. Sensory ganglion
b. Salivary Glands
c. Blood
d. Ligaments
e. Lymph nodes: a. Sensory ganglion
9. Which of the following is a characteristic of an overdenture?
a. No natural teeth remain
b. Natural teeth remain
c. Used with an overbite
d. Used with an underbite
e. Covers the denture: b. Natural teeth remain
10.A dental carie is another name for a .
a. Dental iinstrument
b. The gum line
c. Cavity
d. Plaque build-up
e. Gingivitis: c. Cavity
11.Which of the following is one of the main reasons for a root canal?
a. tooth is cracked
b. The pulp can't be fixed
c. Gums are bleeding
d. A cavity is present
e. Enamel is worn off: b. . The pulp can't be fixed
12.Vital whitening is performed on which of the following?
a. Dentures
