📌 Introduction
Local anesthetics are drugs that produce reversible loss of sensation without loss of consciousness. This is an important topic for GPAT, DSSSB, and other pharmacy exams.
📝 MCQs on Local Anesthetics
1. Local anesthetics cause:
A) Unconsciousness
B) Loss of sensation
C) Infection
D) Fever
✔ Answer: B) Loss of sensation
2. Local anesthetics act on:
A) Heart
B) Liver
C) Nerves
D) Kidney
✔ Answer: C) Nerves
3. Mechanism involves blocking:
A) Potassium channels
B) Sodium channels
C) Calcium channels
D) Chloride channels
✔ Answer: B) Sodium channels
4. Which drug is a local anesthetic?
A) Lidocaine
B) Insulin
C) Aspirin
D) Vitamin
✔ Answer: A) Lidocaine
5. Which type has higher allergy risk?
A) Amides
B) Esters
C) Vitamins
D) Antibiotics
✔ Answer: B) Esters
6. Which type is more stable?
A) Esters
B) Amides
C) Vitamins
D) Antibiotics
✔ Answer: B) Amides
7. Example of ester anesthetic:
A) Procaine
B) Lidocaine
C) Bupivacaine
D) Diazepam
✔ Answer: A) Procaine
8. Example of amide anesthetic:
A) Lidocaine
B) Procaine
C) Benzocaine
D) Vitamin
✔ Answer: A) Lidocaine
9. Which drug is long-acting?
A) Bupivacaine
B) Lidocaine
C) Procaine
D) Vitamin
✔ Answer: A) Bupivacaine
10. Local anesthetics affect:
A) Brain consciousness
B) Pain transmission
C) Digestion
D) Immunity
✔ Answer: B) Pain transmission
11. Which type is topical anesthesia?
A) Surface
B) IV
C) Oral
D) Injection
✔ Answer: A) Surface
12. Nerve block anesthesia is used for:
A) Fever
B) Pain relief
C) Infection
D) Diabetes
✔ Answer: B) Pain relief
13. Side effect includes:
A) Energy
B) CNS toxicity
C) Growth
D) Strength
✔ Answer: B) CNS toxicity
14. Which causes hypotension?
A) Spinal anesthesia
B) Vitamins
C) Insulin
D) Antibiotics
✔ Answer: A) Spinal anesthesia
15. Which drug is commonly used?
A) Lidocaine
B) Insulin
C) Vitamin
D) Antibiotic
✔ Answer: A) Lidocaine
16. Local anesthetics do NOT cause:
A) Numbness
B) Pain relief
C) Unconsciousness
D) Sensory loss
✔ Answer: C) Unconsciousness
17. Which drug is used in dental procedures?
A) Lidocaine
B) Insulin
C) Vitamin
D) Antibiotic
✔ Answer: A) Lidocaine
18. Which drug blocks nerve conduction?
A) Local anesthetics
B) Antibiotics
C) Insulin
D) Vitamins
✔ Answer: A) Local anesthetics
19. Which drug affects sodium influx?
A) Local anesthetics
B) Antibiotics
C) Insulin
D) Vitamins
✔ Answer: A) Local anesthetics
20. Which drug is used in minor surgery?
A) Local anesthetics
B) Antibiotics
C) Insulin
D) Vitamins
✔ Answer: A) Local anesthetics
21. Which drug causes allergy?
A) Esters
B) Amides
C) Vitamins
D) Insulin
✔ Answer: A) Esters
22. Which drug is safer?
A) Amides
B) Esters
C) Vitamins
D) Antibiotics
✔ Answer: A) Amides
23. Which drug is used in epidural anesthesia?
A) Local anesthetics
B) Antibiotics
C) Insulin
D) Vitamins
✔ Answer: A) Local anesthetics
24. Which drug reduces pain?
A) Local anesthetics
B) Antibiotics
C) Insulin
D) Vitamins
✔ Answer: A) Local anesthetics
25. Which drug blocks depolarization?
A) Local anesthetics
B) Antibiotics
C) Insulin
D) Vitamins
✔ Answer: A) Local anesthetics
26. Which drug prevents nerve impulse?
A) Local anesthetics
B) Antibiotics
C) Insulin
D) Vitamins
✔ Answer: A) Local anesthetics
27. Which drug is used in infiltration anesthesia?
A) Local anesthetics
B) Antibiotics
C) Insulin
D) Vitamins
✔ Answer: A) Local anesthetics
28. Which drug acts locally?
A) Local anesthetics
B) Antibiotics
C) Insulin
D) Vitamins
✔ Answer: A) Local anesthetics
29. Which drug causes numbness?
A) Local anesthetics
B) Antibiotics
C) Insulin
D) Vitamins
✔ Answer: A) Local anesthetics
30. Best use of local anesthetics:
A) Fever
B) Infection
C) Pain control
D) Diabetes
✔ Answer: C) Pain control
🎯 Conclusion
These MCQs will help you revise local anesthetics effectively and improve your exam preparation for GPAT & DSSSB exams.
👉 Read full notes here: https://pharmacymcq.in/local-anesthetics-classification-mechanism-uses/