In ectodermal dysplasia all of the following structures are affected except:___________?

Related Mcqs:

1. Ectodermal dysplasia is:___________?

   A. Autosomal recessive
   B. Autosomal dominant
   C. X-linked dominant
   D. X-linked recessive

2. Which of the following are seen in ectodermal dysplasia?

   A. Hyperpyrexia
   B. Protuberant lips and frontal bossing
   C. Defective or absence of sweat glands
   D. Any of the above

3. Which of the following structures is not of ectodermal origin_______________?

   A. Hunter schreger bands
   B. Enamel spindles
   C. Enamel tufts
   D. Enamel lamellae

4. The histological appearance of “lava following around boulders in dentin dysplasia suggests_______________?

   A. Attempt to repair the defective dentin
   B. Abrupt arrest to dentin formation in crown
   C. Abnormal dentin formation in a disorganized fashion
   D. Cascades of dentin to form root

5. Proteins are linear polymers of amino acids, They fold into compact structures Sometimes these folded structures associate to form homo or hetero dimers Which one of the following refers to this associated form ?

   A. Denatured state
   B. Molecular aggregation
   C. Precipitation
   D. Quaternary structure

6. Ectodermal cells in tooth bud are responsible for_______________?

   A. Determination of shape of crown and root
   B. Formation of periodontal ligament
   C. Formation of cementum
   D. Formation of pulp

7. A infant with cleft lip, palate, polydactly, microcephaly with holoprosencephaly, ectodermal scalp defect is suffering from ?

   A. Trisomy 21
   B. Trisomy 18
   C. Trisomy 13
   D. Turner syndrome

8. Swollen joint, anemic, loose teeth & dentin dysplasia are because of deficiency of___________?

   A. Vitamin C
   B. Vitamin D
   C. Vitamin B
   D. Vitamin E & D

9. A patient with fibrous dysplasia can be treated by________________?

   A. Surgical excision
   B. Removal of adjacent teeth
   C. Irradiation of the lesion
   D. Conservative surgery

10. Pap smear is used to detect dysplasia, carcinoma insitu and invasive carcinoma of uterine cervix. This is based on the principle of_______________?

    A. Neoplastic cells are cohesive
    B. Neoplastic cells are are non cohesive
    C. Hyper chromatic and pleomorphism of tumour cells
    D. All of the above