Painful ulcerations of the mucosa of the mouth is called ...

[KWilfred]

Painful ulcerations of the mucosa of the mouth is called
 
 Vincent's angina
  gingivitis
  pyorrhea
  thrush

Question 2

A restrictive endorsement is when
 
 the drawer signs the back of the check
  the payee directs how the check is to be made payable
  the payee signs the back of the check
  the drawee signs the back of the check

[aloop]

Answer to Question 1

Vincent's angina

Rationale: Painful ulcerations of the mucosa of the mouth is known as Vincent's angina or trench mouth.

Answer to Question 2

the payee directs how the check is to be made payable

Rationale: It is prudent that each check be restrictively endorsed with for deposit only..