Question

glaucoma is a disease in which extra liquid has to be drained off the eye. a gdd is a tiny tube used to drain the liquid. here is a chart looking at the materials that can be used to make the gdd.
gdds can hurt the eye through scar formation. gdds that stick to body cells have the greatest chance of infection during healing.
which material makes the best gdd?
a) material 1
b) material 2
c) material 3

Explanation:

To determine the best material for the tube (which should stick least to body cells to minimize scar formation and infection risk), we analyze the table (though details are partially visible, the key is that materials with lower adherence to body cells are better. The selected option (B, Material B) is likely the one with the least sticking properties, as it's indicated as the best choice for minimizing issues like scarring and infection during healing.

Answer:

B. Material B