In which stage of pressure ulcers is there a reddened area on the skin?

A) Stage 1
B) Stage 2
C) Stage 3
D) Stage 4

Which mineral is found in dairy products, green leafy vegetables, broccoli, legumes, and the soft bones of sardines and salmon?

A) Iodine
B) Calcium
C) Selenium
D) Fluoride
E) Zinc