A cancerous tumor that has black pigmentation is a: A) ...

[mcmcdaniel]

A cancerous tumor that has black pigmentation is a:
 
  A) miliaria.
  B) melanin.
  C) keratinoma.
  D) melanoma.

Question 2

Which of the following statements regarding refractive error is NOT true?
 
  a. It is a defect in the ability of the eye to bend light rays.
  b. Light rays do not focus on the fovea centralis.
  c. Refractive error occurs only in myopia.
  d. The bending of light rays is called refraction.

[upturnedfurball]

Answer to Question 1

D
Explanation:
A) Miliaria is prickly heat.
B) Melanin is the pigment in skin.
C) Keratinoma is a tumor of epithelial cells.
D) Correct.

Answer to Question 2

c
Explanation:
a. It is a defect in the ability of the eye to bend light rays: a true statement
b. Light rays do not focus on the fovea centralis: a true statement
c. Refractive error occurs only in myopia: correct
d. The bending of light rays is called refraction: a true statement

[mcmcdaniel]

Wow, this really help

[duy1981999]

Thanks for the timely response, appreciate it