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10 Questions

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Central Analgesic Drugs

Created by

@MENNA211449

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Questions and Answers

What is the primary mechanism of action of Non-steroidal Anti-inflammatory drugs (NSAIDs)?

Inhibition of cyclo-oxygenase (COX) enzyme (correct)

Blocking the release of neurotransmitters

Activating the thalamus

Binding to opioid receptors

Which type of analgesic drugs can produce euphoria and addiction?

Opioid (narcotic) analgesic drugs (correct)

Physical protectives

Non-steroidal Anti-inflammatory drugs (NSAIDs)

Local and surface anaesthetics

What is the primary target of action for central analgesics?

Peripheral nerves

Thalamus (correct)

Cortex

Spinal cord

Which of the following is NOT a type of peripheral analgesic?

Opioid analgesic drugs Signup and view all the answers

What type of pain is relieved by Non-steroidal Anti-inflammatory drugs (NSAIDs)?

Low-intensity pain Signup and view all the answers

What is the primary difference in the action of opioid and non-steroidal anti-inflammatory analgesic drugs on the nervous system?

Opioid analgesics act on the cerebral cortex, while non-steroidal anti-inflammatory analgesics act on the thalamus. Signup and view all the answers

Which of the following statements about central analgesic drugs is true?

They can relieve pain without impairing consciousness, and their action is not related to the intensity of pain. Signup and view all the answers

What is the common mechanism of action of Non-steroidal Anti-inflammatory drugs (NSAIDs) that leads to pain relief?

Inhibition of the synthesis of prostaglandins. Signup and view all the answers

Which of the following types of pain is most likely to be relieved by opioid analgesic drugs?

Any type of pain except itching. Signup and view all the answers

What is the primary reason why Non-steroidal Anti-inflammatory drugs (NSAIDs) are not addictive?

They do not produce euphoria. Signup and view all the answers

Study Notes

Central Analgesics

Relieve pain by central action without impairing consciousness or other sensations
Classified into two groups: Non-steroidal Anti-inflammatory (NSAIDs) and Opioid (narcotic) analgesic drugs

Non-Steroidal Anti-Inflammatory (NSAIDs)

Relieve low-intensity pain (e.g., headache, neuralgia, myalgia)
Act subcortical on thalamus
No euphoria or drowsiness
Non-addictive
Inhibit cyclo-oxygenase (COX) enzyme, leading to inhibition of PGs synthesis

Opioid (Narcotic) Analgesic Drugs

Relieve any type of pain (except itching)
Act cortical and subcortical
Produce euphoria and addiction

Peripheral Analgesics

Include physical protectives, local and surface anaesthetics, obtundants, astringents, and counter-irritants

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Description

Learn about the different types of central analgesic drugs, including non-steroidal anti-inflammatory drugs (NSAIDs) and opioid analgesic drugs, and their effects on pain relief. Understand how they work and their characteristics.