Opioids and Opioid Receptors

What is the characteristic of opioids as a class of agents?

They are derived from opium only
They are only available in oral form
They are used to treat only opioid addiction
They produce opium-like effects or bind to opioid receptors (correct)

What is the common feature of opioids and opium?

They are both used to treat pain
They have similar chemical structures
They are both derived from plants
They have similar effects on the body (correct)

What is the key factor that determines whether an agent is classified as an opioid?

Its source, whether natural or synthetic
Its effect on the body, whether it produces opium-like effects or binds to opioid receptors (correct)
Its chemical structure, whether it is similar to opium
Its method of administration, whether it is oral or injected

What is the relationship between opioids and opioid receptors?

Opioids bind to opioid receptors in the body (A) Signup and view all the answers

What can be said about the class of agents known as opioids?

It is a broad class of agents with various effects (B) Signup and view all the answers

What is the classification of heroin based on its structure?

Semi-synthetic opioid (D) Signup and view all the answers

Which of the following is an example of an agonist opioid?

Meperidine (D) Signup and view all the answers

What is the common characteristic of meperidine, methadone, and tramadol?

They are all synthetic opioid agonists (A) Signup and view all the answers

Which of the following opioids is not classified as semi-synthetic?

Methadone (A) Signup and view all the answers

What is the relationship between acetylmorphine and heroin?

Heroin is a brand name for acetylmorphine (B) Signup and view all the answers

What is a common route of administration for opioids?

Orally (A) Signup and view all the answers

What is a significant risk associated with opioid use?

Addiction (B) Signup and view all the answers

What is another route of administration for opioids besides oral?

Intramuscular (D) Signup and view all the answers

What can be a consequence of prolonged opioid use?

Tolerance (C) Signup and view all the answers

What is a less common route of administration for opioids?

Intrathecal (A) Signup and view all the answers

What is one of the main medical uses of morphine?

Management of chronic pain (B) Signup and view all the answers

Why is morphine often abused?

For its euphoric and pain relieving effect (C) Signup and view all the answers

What is another medical condition that morphine is used to treat?

Pulmonary edema (B) Signup and view all the answers

What type of pain does morphine help manage?

Chronic and acute pain (D) Signup and view all the answers

What is not a medical use of morphine?

Antibiotic treatment (D) Signup and view all the answers

Which of the following is NOT a mixed agonist-antagonist?

naloxone (C) Signup and view all the answers

What is the classification of naloxone and naltrexone?

Antagonists (C) Signup and view all the answers

Which of the following is a pure antagonist?

Naloxone (B) Signup and view all the answers

Which of the following is NOT a mixed agonist-antagonist opioid?

Naltrexone (C) Signup and view all the answers

What is the classification of bupermorphine?

Mixed agonist-antagonist (D) Signup and view all the answers