Is the proofreading symbol for delete close up leave as is ...

[nramada]

is the proofreading symbol for
 
 delete
  close up
  leave as is
  add period

Question 2

A call is ringing on another line; the medical assistant should
 
 ask the first caller if she can hold. If yes, answer the second line, ask him if he can hold. If yes, return to the first caller
  put the first caller on hold, answer the ringing line, and say, Please hold, then return to the first caller
  yell to the back office for someone to answer the phone
  allow the line to ring until the first call is completed

[ms_sulzle]

Answer to Question 1

delete

Rationale: In proofreading, the symbol  means to delete.

Answer to Question 2

ask the first caller if she can hold. If yes, answer the second line, ask him if he can hold. If yes, return to the first caller

Rationale: The best option is to ask the first caller if she can hold. If yes, answer the second line, ask him if he can hold. If yes, return to the first caller.