A system of delivering pain-free injections that can be used for ...

[roselinechinyere27m]

A system of delivering pain-free injections that can be used for infiltration and block-type injections is ____________.
 a. electronic anesthesia
  b. electric anesthesia
  c. computer controlled
  d. none of the above

Question 2

The degree of darkness on an x-ray, which is also controlled by MAS, is the ____________.
 a. density
  b. contrast

[nicoleclaire22]

Answer to Question 1

c
RATIONALE: A system of delivering pain-free injections that can be used for infiltration and block-type injections is computer controlled.

Answer to Question 2

a
RATIONALE: The degree of darkness on an x-ray, which is also controlled by MAS, is the density.

[roselinechinyere27m]

Thanks for the timely response, appreciate it

[amynguyen1221]

Gracias!