PTG 105-Exam 4-Skin 1

Card Set Information

PTG 105-Exam 4-Skin 1
2013-05-05 01:47:39
PTG 105 Exam Skin

PTG 105-Exam 4-Skin 1
Show Answers:

  1. What is another term for a Mole?
  2. What is a Nevi/mole?
    A benign proliferation of melanocytes in the skin
  3. Do nevi disappear?
  4. When do nevi develop?
  5. What is the relative risk of melanoma from nevi?
    Very small
  6. What type of nevi is a precursor to malignant melanoma?
    Dysplastic nevi
  7. What is a Dysplastic nevi?
    A nevi with atypia (that may lead to malignant melanoma)
  8. Describe how Nevi grow?
    • proliferate at dermal-epidermal junction
    • The grow into dermis
    • then reside in the dermis only
  9. What is a junctional nevi?
    One that resides at the dermal-epidermal junction
  10. What is a compound nevi?
    One that has grown from the dermal-epidermal junction into the dermis
  11. What is a intradermal nevi?
    One that resides entirely in the dermis
  12. What is a flat or slightly raised pigmented lesion also known as?
  13. Where is the most common site for male melanoma?
    Trunk 35%
  14. Where is the most common site for female melanoma?
    Leg 56%
  15. What is the most dangerous type of skin cancer?
    Malignant melanoma
  16. What percent of malignant melanoma patients die of metastatic disease?
  17. Where does Malignant melanoma metastasize to?
    Anywhere...brain, lungs, lymph nodes, et.c
  18. What is an acral melanoma?
    Nail melanoma
  19. How does malignant melanoma grow?
    • Horizontally within the epidermis
    • Vertically within the dermis
  20. What type of skin disease grown horizontally in the epidermis and vertically in the dermis?
    Malignant melanoma
  21. How is probability of metastases determined in malignant melanoma?
    by the length of vertical growth into the dermis
  22. What are the meninges?
    The coverings of the brain
  23. How many meninges are there?
  24. What are the three meninges from external to internal?
    • Dura mater
    • Arachnoid mater
    • Pia mater
  25. What is meningitis?
    Inflammation of the brain coverings
  26. What are the four types of intracranial bleeding?
    • Intracerebral
    • Subarachnoid
    • subdural
    • extra dural
  27. What is Cerebrospinal fluid analysis?
    • culture and gram stain
    • look for increased antibodies (as for MS)
  28. What is Computerized axial tomography and what is it used for?
    • CT scan
    • Used to see mass lesions
  29. What is magnetic resonance imaging used for?
    Mass lesions
  30. What is Electrocephalogram used for?
  31. What is Angiography used for?
    Vascular lesion (i.e aneurysm)
  32. What is cerebral edema?
    Increased water content on the brain
  33. What is the term for increased water on the brain?
    Cerebral edema
  34. What are the two types of cerebral edema?
    Vasogenic and Cytotoxic
  35. What is Vasogenic cerebral edema?
    Cerebral edema caused by disruption of the cerebral capillaries and blood brain barrier
  36. What type of cerebral edema is caused by disruption of the capillaries and blood brain barrier?
  37. What is Cytotoxic cerebral edema?
    Cerebral edema second to brain cell damage
  38. What type of cerebral edema is second to brain cell damage?
  39. Under what conditions would vasogenic cerebral edema be seen?
    • trauma
    • tumors
    • late stage cerebral ischemia
    • inflammation
  40. Under what conditions would you expect to find Cytotoxic cerebral edema?
    • Intoxications
    • Hypothermis
    • Reyes syndrome
    • Early ischemia