PRIMARY EXAMINATION IN
HISTOLOGY
November 2015
Time allowed: Two hours
-----------------------------------------------------------------------------------------------------------INSTRUCTIONS TO CANDIDATES

There are TWO (2) sections to this paper

Answer any TWO (2) questions in Section A.

Answer any FOUR (4) questions in Section B.

Answer each section in a separate booklet.

Maximum marks = 75

Section A is worth 50 marks and Section B is worth 25 marks

The complete examination in Histology is in two parts:
Written paper is worth 75%; Viva is worth 25%
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Page 1 of 3
Answer each section in a separate booklet
Section A
Answer any two (2) questions from this section.
Question 1
Describe the histological features of enamel, making special reference to the features
that are important to clinical dentistry.
Question 2
Describe the histological features of the oral mucous membrane that covers ALL
surfaces of the tongue.
Question 3
Explain the embryology, and histology, of the mature periodontal ligament. In your
answer explain the changes that would happen on re-implantation of a tooth after
avulsion.
Question 4
Give a detailed account of the development of the pulp-dentine complex.
Page 2 of 3
Section B
Answer Section B in a separate booklet
Answer any four (4) questions from this section.
Question 1
With the aid of a diagram explain the histological difference between spongy and
compact bone.
Question 2
Describe the ultra-structure of an odontoblast both during dentine formation and
resting.
Question 3
Describe the histological features of the cemento-enamel junction.
Question 4
Explain with the aid of a diagram how the parotid gland cellular structure is arranged
Question 5
Describe the histology of the structures a needle will pass through when giving a
palatal injection adjacent to the upper first molar.
Question 6
With the aid of a well labelled diagram describe the bud stage of tooth development.
- END OF EXAMINATION PAPER -
Page 3 of 3