Define contrast medium. What will be an ideal ...

[jho37]

Define contrast medium.
 
  What will be an ideal response?

Question 2

The hard, fibrous protein that fills cells in the epidermis is ________.
 
  A) melanin
  B) keratin
  C) basal
  D) sebum

[prumorgan]

Answer to Question 1

Contrast medium is a radiopaque substance used in certain x-ray procedures to permit visualization of organs or structures.

Answer to Question 2

B
Explanation: A) Melanin is the pigment that fills melanocytes.
B) Correct
C) Basal refers to the bottom layer of the epidermis, not a protein.
D) Sebum is oil, not a protein.

[jho37]

Thanks for the timely response, appreciate it

[ttt030911]

Excellent