Pathology

for Dental Students

Study questions: Skin pathology

Answers are here.

1.Acne vulgaris is:

A.Associated with Staphylococcus aureus organisms

B.Associated with blockage of the outflow of sebaceous material

C.Both

D.Neither

2.All of the following statements are true regarding psoriasis EXCEPT:

A.Usually inherited

B.Turnover time of skin is reduced

C.Caused by a virus

D.Associated with chronic scaling

3.Infections associated with B-hemolytic Streptococcus include:

A.Impetigo

B.Ecthyma

C.Both

D.Neither

4.Features suggesting malignancy in melanotic skin lesions may include:

A.Rapid growth

B.Ulceration

C.Increased pigmentation

D.All of the above

E.None of the above

5.Squamous cell carcinoma of skin

A.Metastasizes to local lymph nodes

B.Is associated with sun exposure

C.Both

D.Neither

6.Basal cell carcinoma is

A.Locally invasive

B.Rarely metastatic

C.Both

D.Neither

7.All of the following statements are true regarding primary infection with Herpes Simplex (HSV-1) EXCEPT:

A.Gives lasting immunity

B.Is usually subclinical

C.May be severe

D.Usually occurs in childhood

8.Lichen planus:

A.Produces Wickham's striae in the mouth

B.Associated with a band of lymphocytes at the dermal-epidermal junction

C.Both

D.Neither

9.All of the following statements are true regarding basal cell carcinoma EXCEPT:

A.Associated with sun exposure

B.Does not metastasize

C.Microscopically, appears as nests of cells resembling the basal layer of the epidermis

D.Frequently occurs before age 50

10.Psoriasis:

A.Is associated with hypoplasia of the epidermis

B.Is inherited

C.Both

D.Neither

11.Erythema multiforme

A.Usually affects young adults

B.May be recurrent

C.Both

D.Neither