LOCAL ANESTHESIA OSCE/ BOARD EXAM CORRECT 100%

LOCAL ANESTHESIA OSCE/ BOARD
EXAM CORRECT 100%
Which of the following statements is true concerning the gauge of needles?
A. Needle gauge refers to the radius of the lumen of the needle.
B. A 30-gauge needle has a larger internal diameter than a 25-gauge needle.
C. The smaller the number, the greater the diameter of the lumen of the needle.
D. 27-gauge needles have the highest rate of deflection and breakage in dentistry. -
ANSWERC. The smaller the number, the greater the diameter of the lumen of the
needle.

What is the approximate pH of local anesthetic solutions WITHOUT vasoconstrictors?
A. 3.5
B. 6.5
C. 7.4
D. 10 - ANSWERB. 6.5

What is the approximate pH of local anesthetic solutions WITH vasoconstrictors?
A. 3.5
B. 6.5
C. 7.4
D. 10 - ANSWERA. 3.5

Over 50% of medical emergencies occurring in a dental office occur following which
procedure?
A. Extraction
B. Root canal therapy
C. Periodontal surgery
D. Local anesthetic administration - ANSWERD. Local anesthetic administration

what are the type of syringes? - ANSWER1.non disposable
2. disposable
3. safety
4. intraosseous systems
5. computer controlled LA delivery system

What are the components of the syringe (label) - ANSWER1. Needle adapter
2. syringe barrel
3. piston and harpoon
4. finger grip
5. thumb ring

the piston connects what two things? - ANSWERthumb ring and harpoon