vNGR5141 Dermatology Test |Questions and Answers| Rated A

. What are the causes of mongolian spots? - Mongolian spots result from entrapment of melanocytes in the dermis during migration from the neural crest into the epidermis. 2. Do mongolian spots go away? - Usually in the first year of life they decrease in size 3. Mongolian spots are associated with what disorders? - Cleft lip or palate, spinal meningeal tumor, melanoma and other rare syndromes. Child abuse is sometimes suspected. 4. What are the characteristics of erythema infectiosum (fifth disease)? - Erythematous macular rash begins on the cheeks (slapped cheek) and spreads to the arms and trunk. 5. Why do older adults as well as patients with diabetes tend to have dry skin? - There is a reduction in sweat and oil glands. 6. What is the term used when a lesion changes into a secondary lesion because of chronic scratching or rubbing? - Lichenification.