TERM 1 Multiple Choice Set 4

QUESTION 1

Which of the following derive from ectomesenchyme:
  1. enamel
  2. dental papilla
  3. stellate reticulum
  4. Dental papilla and dental sac
  5. none of the above

QUESTION 2

The cervical loop determines:
  1. the shape of the root
  2. the shape of the bony crypt
  3. the number of roots
  4. two of the above are correct
  5. none of the above

QUESTION 3

Mesial shift occurs:
  1. to compensate proximal wear
  2. because of the inclined plane of the cusps
  3. with resorption on distal side
  4. a & b are correct
  5. All of the above are correct

QUESTION 4

The pulp:
  1. has a defensive function through the apical foremen
  2. is devoid of any sensitivity
  3. has more odontoclasts than fibroblasts
  4. contains only collagen type III
  5. none of the above

QUESTION 5

The ameloblasts form:
  1. enamel rod
  2. enamel prism
  3. only collagen type I
  4. the cell free layer
  5. predentine

QUESTION 6

Inorganic, hypocalcified areas in enamel are:
  1. enamel spindle
  2. enamel tuft
  3. enamel lamellae
  4. enamel rods
  5. caries

QUESTION 7

The odontoclasts:
  1. resorbs the bony crypt around the permanent tooth
  2. in a multinucleated cell
  3. forms predentin
  4. Two of the above are correct
  5. has a terminal web

QUESTION 8

The bulk of the tooth is made up of
  1. Secondary dentine
  2. predentin
  3. Interglobular dentine
  4. Mantle dentine
  5. Circumpulpal dentine
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