Pigmented Lesions Of Oral Mucosa Multiple Choice Questions

Pigmented Lesions Of Oral Mucosa Multiple Choice Questions

Question 1. Moon face is a feature of

1. Addison’s disease
2. Cushing’s syndrome
3. Acromegaly
4. Myxedema

Answer: 2. Cushing’s syndrome

Question 2. Endocrine disorders associated with oral pigmentation is

1. Addison’s disease
2. Cushing’s syndrome
3. Conn’s syndrome
4. Myxedema
   (Note: Endocrine disorders manifesting oral pigmentation are Addison’s disease and Cushing’s syndrome).

Answer: 1. Addison’s disease

Read And Learn More: Oral Medicine and Radiology Question And Answers

Question 3. Cushing’s syndrome is caused by

1. Adrenocortical carcinoma
2. Multiple endocrine neoplasia
3. Adrenocortical hyperactivity
4. Adrenocortical insufficiency
   (Note: Addison’s disease is adrenocortical insufficiency).

Answer: 3. Adrenocortical hyperactivity

Question 4. The appropriate diagnosis for oral pigmentation associated with cutaneous bronzing is the evaluation of serum

1. Steroid and melanocorticotropic hormone
2. Steroid and catecholamine
3. Steroid and adrenocorticotropic hormone
4. Steroid and aldosterone

Answer: 3. Steroid and adrenocorticotropic hormone

Question 5. “Bronze diabetes” is associated with

1. Hemosiderosis
2. Heme peroxidase
3. Heme oxygenase
4. Hemochromatosis
   (Notes: “Bronze diabetes” is associated with and is
   characterized by diabetes mellitus and skin pigmentation).

Answer: 4. Hemochromatosis

Question 6. Tram-line calcifications are radiographic appearance seen in

1. Rendu-Osler-Weber syndrome
2. Maffucci syndrome
3. Von Hippel-Lindau syndrome
4. Sturge-Weber syndrome
   (Note: Tram-line calcifications are the radiographic appearance of vessel wall calcification seen in Sturge-Weber syndrome or encephalo- trigeminal angiomatosis).

Answer: 4. Sturge-Weber syndrome

Question 7. Varix is a focal dilation of

1. Arteries and capillaries
2. Arteries or groups of arterioles
3. Arteries and veins
4. Vein or group of venules
   (Note: Varix is a focal dilation of a vein or group of venules and once formed they would not enlarge further and do not regress).

Answer: 4. Vein or group of venules

Question 8. The etiology for varix formation is

1. Developmental disorder
2. Congenital malformation
3. Trauma
4. Old age

Answer: 3. Trauma

Question 9. Kaposi’s sarcoma is caused by

1. Human herpes virus type 8
2. Epstein-Barr virus (EBV)
3. Human papillomavirus type 16
4. Group B coxsackievirus

Answer: 1. Human herpes virus type 8

Question 10. Nevi are associated with an increase in

1. Melanin synthesis by melanocytes
2. Melanocyte number
3. Hypertrophy of melanocytes
4. Hyperplasia of melanocytes
   (Note: Nevi are associated with an increased number of melanocytes and an increase in melanin production. Melanotic macules and ephelis are associated with an increase in melanin synthesis by melanocytes but without any increase in melanocyte numbers).

Answer: 2. Melanocyte number

Question 11. Common sites for intraoral nevi are

1. Mucosa and tongue
2. Lip and vestibule
3. Tongue and floor of the mouth
4. Gingiva and palate

Answer: 4. Gingiva and palate

Question 12. Hutchinson’s freckle is otherwise known as

1. Melanotic macule
2. Melanocytic nevus
3. Cafe au lait pigmentation
4. Melanoma in situ
   (Notes: Hutchinson’s freckle or lentigo malignant melanoma is otherwise known as melanoma in situ or atypical melanocytic hyperplasia of facial skin).

Answer: 4. Melanoma in situ

Question 13. A common oral site of graphite tattoos is

1. Lip
2. Gingiva
3. Palate
4. Floor of mouth
   (Note: Graphite tattoo is due to traumatic implantation of graphite from lead pencil).

Answer: 3. Palate

Question 14. In hairy tongue, the papilla commonly becomes elongated and is

1. Fungiform papilla
2. Filiform papilla
3. Foliate papilla
4. Circumvallate papilla

Answer: 2. Filiform papilla

Question 15. Oral pigmentation due to the ingestion of heavy metals is common in

1. Attached gingiva
2. Free gingival margin
3. Lower labial mucosa
4. Hard palate

Answer: 2. Free gingival margin