Local Cdca Exam Updated Actual Questions And Correct Answers

LOCAL CDCA EXAM UPDATED ACTUAL QUESTIONS AND
CORRECT ANSWERS

Question:
1. T/F. All local agents are vasoconstrictors
Answer:
False; vasodilators

Question:
2. What is an undesirable quality of local agents?
Answer:
Vasodilation

Question:
3. Reasons why vasodilation is an undesirable quality
Answer:
1. increased absorption
2. Increased risk of adverse effects
3. decreased depth and duration
4. increased bleeding

Question:
4. Reasons why vasoconstrictors are a desirable quality
Answer:
1. decreased absorption
2. increased depth and duration
3. decreased bleeding

Question:
5. Side effects of vasoconstrictors
Answer:
1. increased blood pressure and force of heart contraction
2. dilation of smooth muscles
3. Burning sensation due to lowered pH of solution

Question:
6. What is a common adverse effect of epi?
Answer:
angina

Question:
7. What is a naturally occurring catecholamine? What is a synthetic catecholamine?
Answer:
epi; levo

,Question:
8. Where is epi made in the body?
Answer:
adrenal gland

Question:
9. What is the most potent vasoconstrictor?
Answer:
epi

Question:
10. T/F. Sodium bisulfite is added to the local anesthetic as a preservative
Answer:
FALSE; its added to the vasoconstrictor

Question:
11. If a person is allergic to sodium bisulfite, what is a good local option?
Answer:
mepivicaine plain because the sodium bisulfite is in the vasoconstrictor

Question:
12. Shelf life for local with a vasoconstrictor
Answer:
18 months

Question:
13. shelf life for local without vasoconstrictors
Answer:
36 months

Question:
14. T/F. sodium bisulfite lowers the pH level.
Answer:
TRUE it causes the burning sensation when injected

Question:
15. Amount of vasoconstrictor is 1:20,000 solution
Answer:
0.09

Question:
16. Amount of vasoconstrictor in 1:50,000 solution
Answer:
0.036

, Question:
17. Amount of vasoconstrictor in 1:100,000
Answer:
0.018

Question:
18. Amount of vasoconstrictor in 1:200,000
Answer:
0.009

Question:
19. MRD of epi for healthy patient
Answer:
0.2 mg

Question:
20. MRD of epi for cardiac patient
Answer:
0.04 mg

Question:
21. MRD of levo for healthy patient
Answer:
1.0 mg

Question:
22. MRD of levo for cardiac patient
Answer:
0.2 mg

Question:
23. To find how many cartridges a healthy patient can have: 1:20,000 epi--- 0.2/0.09
Answer:
2.22 carts
MRD/amt of vaso

Question:
24. T/F. Vasoconstrictors are contraindicated in patients who have had an angina attack in the last 6
months.
Answer:
True

Question:
25. Amount of local in 0.5%
Answer:
9 mg