Back to AI Flashcard MakerAnatomy and Physiology /Brain and Behavior Chapter 4: Neural Conduction & Synaptic Transmission Part 5
Brain and Behavior Chapter 4: Neural Conduction & Synaptic Transmission Part 5
This deck covers key concepts from Chapter 4 of Brain and Behavior, focusing on neural conduction and synaptic transmission, including neurotransmitter functions and drug interactions.
About how many neuropeptides are currently classified by most experts as neurotransmitters?
Just over 100
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Key Terms
Term
Definition
About how many neuropeptides are currently classified by most experts as neurotransmitters?
Just over 100
Peptide neurotransmitters are A) synthesized in the cell body B) amino acid chains C) large-molecule neurotransmitters
All of the above
Drugs that facilitate the activity of synapses of a particular neurotransmitter are said to be _ of that neurotransmitter
Agonists
With respect to neurotransmitters, which of the following is a correct sequence? A) synthesis, storage, exocytosis, reuptake B) reuptake, synthesis, deactivation, exocytosis C) deactivation, postsynaptic binding, synthesis, storage D) storage, deactivation, synthesis, exocytosis E) exocytosis, postsynaptic binding, synthesis, reuptake
Synthesis, storage, exocytosis, reuptake
This drug is a muscarinic acetylcholine antagonist; it is an extract of the belladonna plant; and it has pupil-dilating effects
Atropine
Drugs that block the reuptake of a neurotransmitter from the synapse are usually
Agonists of that neurotransmitter
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| Term | Definition |
|---|---|
About how many neuropeptides are currently classified by most experts as neurotransmitters? | Just over 100 |
Peptide neurotransmitters are A) synthesized in the cell body B) amino acid chains C) large-molecule neurotransmitters | All of the above |
Drugs that facilitate the activity of synapses of a particular neurotransmitter are said to be _ of that neurotransmitter | Agonists |
With respect to neurotransmitters, which of the following is a correct sequence? A) synthesis, storage, exocytosis, reuptake B) reuptake, synthesis, deactivation, exocytosis C) deactivation, postsynaptic binding, synthesis, storage D) storage, deactivation, synthesis, exocytosis E) exocytosis, postsynaptic binding, synthesis, reuptake | Synthesis, storage, exocytosis, reuptake |
This drug is a muscarinic acetylcholine antagonist; it is an extract of the belladonna plant; and it has pupil-dilating effects | Atropine |
Drugs that block the reuptake of a neurotransmitter from the synapse are usually | Agonists of that neurotransmitter |
Drugs that bind to a neurotransmitter’s autoreceptors without activating them are usually | Agonists |
Drugs that bind to a neurotransmitter’s receptors on the postsynaptic membrane without activating them are A) receptor blockers B) agonists of the neurotransmitter C) antagonists of the neurotransmitter | Both A and C |
Drugs that degrade vesicles and cause the neurotransmitter molecules to leak into the cytoplasm, where they are destroyed by enzymes, are | Antagonists of the neurotransmitter |
Which drug was extracted from the belladonna plant and used by the ancient Greeks for cosmetic purposes? | Atropine |
Atropine is | A muscarinic antagonist |
The receptors of the neuromuscular junction are A) cholinergic B) nicotine C) muscarinic | Both A and B |
Which of the following is a cholinergic antagonist? | Curare |
By binding to nicotine cholinergic receptors, this drug produces paralysis and death | Curare |
Which of the following is a nicotinic antagonist? A) botox B) curare C) atropine | Both A and B |
Botox is A) a deadly poison B) used to reduce tremors C) a nicotinic antagonist | All of the above |
Opiates play a role in A) analgesia B) pleasure C) retrograde transport | Both A and B |
Some of the morphine-like substances that occur naturally in the brain are | Endorphins |
Endorphins are | Neuropeptides |
Cocaine and amphetamines are | Dopamine agonists |
Cocaine and amphetamines in high doses can produce a temporary disorder that is similar to | Schizophrenia |
Many effective antischizophrenic drugs | Are D2 blockers |
Which of the following is not an amino acid neurotransmitter? A) aspartate B) glutamate C) glycine D) indolamine E) GABA | Indolamine |