Introduction to Antinociceptive Drugs MCQs With Answers
1. Which sensory receptor responds to pain?
a. Nociceptor.
b. Chemoreceptor.
c. Thermoreceptor.
d. Mechanoreceptor.
2. Which component of inflammation promotes analgesia, rather than pain?
a. Cytokines.
b. Enkephalin.
c. Bradykinin.
d. Prostaglandins.
3. Which drug group, through multiple mechanisms, inhibits the entire inflammatory process?
a. Opioids.
b. Antidepressants.
c. Glucocorticoids.
d. Nonsteroidal anti-inflammatory drugs (NSAIDs).
4. Which specific mechanism facilitates prostaglandin’s contribution to pain?
a. Activation of immune cells.
b. Vasodilation and vascular leakage.
c. Sensitize the pain receptor nerve endings.
d. Extravasation of plasma proteins from capillary walls.
5. Which does NOT contribute to the phenomenon of central sensitization?
a. Convergence of afferent nociceptive input.
b. Increased peripheral neuronal excitability.
c. Lowered activation threshold in the afferent.
d. Lowered peripheral afferent input into the CNS.
6. In a hospital setting, which is the standard of care for severe pain?
a. Oral opioid analgesics.
b. Oral NSAID analgesics.
c. Parenteral opioid analgesics.
d. Parenteral NSAID analgesics.
7. Local anesthetics block the transmission of pain impulses
a. at the nociceptor.
b. at peripheral opioid receptors.
c. in the central nervous system (CNS).
d. in the peripheral afferent nerve fibers.
8. Which feature of NSAIDs makes them preferable for dental pain?
a. Anti-platelet aggregation.
b. Non-narcotic.
c. Antipyretic.
d. Anti-inflammatory.
9. Which is NOT a limitation of NSAID use for dental pain?
a. Delayed onset.
b. Suppression of swelling.
c. Inconsistent relief of severe pain.
d. Loss of effects with repeated use.
