Following the Initial Negative Aspiration,the Dental Hygienist Should Rotate the Barrel

Multiple Choice

Following the initial negative aspiration,the dental hygienist should rotate the barrel of the syringe about 45 degrees and aspirate a second time.This ensures that the needle is not located within a blood vessel and possibly abutting the blood vessel wall,providing a false-negative aspiration.

A) Both statements are true.
B) Both statements are false.
C) The first statement is true;the second statement is false.
D) The first statement is false;the second statement is true.