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Neuropeptides and Opioid Peptide System Quiz

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Neuropeptides and Opioid Peptide System Quiz

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Questions and Answers

Which neuropeptide acts as a neurotransmitter in the nervous system?

Serotonin

Oxytocin (correct)

Glutamate

Endorphin

Which type of opioid receptor activation primarily results in analgesia?

$μ$-opioid receptor (correct)

$κ$-opioid receptor

Serotonin receptor

$δ$-opioid receptor

Which neurotransmitter is primarily responsible for transmitting pain signals through the nervous system?

Dopamine

Acetylcholine

Glutamate (correct)

GABA

Which specialized neurons detect potential harm and are triggered by noxious stimuli?

Nociceptors Signup and view all the answers

Which neurotransmitters are the primary 'fast' signaling molecules in the brain?

GABA and Glutamate Signup and view all the answers

Where do opioids act for analgesia?

Periaqueductal Gray (PAG) and spinal cord Signup and view all the answers

What is the primary role of competitive μ-Opioid Receptor Antagonists like Naloxone?

Reversing opioid overdose Signup and view all the answers

What is the main side effect of opioids related to the eyes?

Miosis (pupillary constriction) Signup and view all the answers

What is the function of Methylnaltrexone in chronic opioid use?

Preventing constipation Signup and view all the answers

What is the clinical importance of G-Protein Coupled Receptors (GPCRs) in opioid impact?

Crucial in the clinical impact of opioids Signup and view all the answers

What role does the μ-Opioid Receptor play in producing opioid effects?

Central role in producing most opioid effects Signup and view all the answers

What is the main effect of opioids related to the digestive system?

Constipation Signup and view all the answers