16. Pigmentations, Calcifications, Gout

Question 1

Jamie is turning 18 today. To celebrate this momentous occasion she is going to get her first tattoo. Which cell will pick up the tatoo dye?

A. Melanocytes 
B. Nevus Cells 
C. Macrophages
D. Melanophages 
E. Keratinocytes 

RFA

Answer 1

Ans C. Dermal Macrophages will pick up the tatatto dye.

Question 2

Melanin is the most important pigment involved in skin coloration. It is predominately produced by Melanocytes. Which other cells can also store melanin? ( May be multiple correct choices

A. Plasma Cells 
B.  Fibroblast
C.  Chondrocytes 
D. Nevus Cells 
E. Melanophages 
F. Macrophages 
G. Keratinocytes 

RFA

Answer 2

Ans. D & E. Nevus cells and melophages can also store melanin.

Question 3

A 77 year old obese male is found to have profound atherosclerosis and dystrophic calcium. Describe his serum calcium levels (MG)

A. Increased
B. Normal
C. Decreased
D. Zero

Answer 3

B. Normal

normal calcium levls in dystrophic calcification

Question 4

A patient has Lesch-Nyan syndrome. They also have primary gout. What enzyme are they deficient in that described both the syndrome and the gout? (MG)

A. NF1
B. Myeloperoxidase
C. HGPRT
D. Alpha 1 antitrypsin

Answer 4

C. HGPRT