When examining a patient's wound, you notice regularly arranged white fibrous tissue. What do you suspect this structure is?

What New Orleans dentist first made practical use of x-rays in the treatment of dental patients?

a. H. R. Raper b. G. M. Fitzgerald c. F. Mouyen d. C. E. Kells

Alkaline means having a pH:

a. of 7 b. less than 7 c. greater than 7