Podcast
Questions and Answers
How does naloxone [Narcan] reverse the effects of morphine toxicity?
How does naloxone [Narcan] reverse the effects of morphine toxicity?
- Preventing activation of receptors (correct)
- Blocking transmitter reuptake
- Interfering with transmitter storage
- Inhibiting transmitter release
What is the direct action of morphine and naloxone at the receptor sites?
What is the direct action of morphine and naloxone at the receptor sites?
- Preventing transmitter storage
- Causing and preventing receptor activation, respectively (correct)
- Enhancing transmitter reuptake
- Promoting transmitter release
Which statement about peripheral nervous system (PNS) drugs is inaccurate?
Which statement about peripheral nervous system (PNS) drugs is inaccurate?
- Many PNS drugs act by altering synaptic transmission
- These drugs work by influencing receptor activity
- Drugs affecting axonal conduction have a variety of uses (correct)
- Drugs that alter synaptic transmission can be highly selective
What is the effect of morphine on receptor activation?
What is the effect of morphine on receptor activation?
Which action is most likely performed by drugs affecting axonal conduction?
Which action is most likely performed by drugs affecting axonal conduction?
What is a characteristic of drugs that alter synaptic transmission?
What is a characteristic of drugs that alter synaptic transmission?
What is the main reason why drugs that affect synaptic transmission can be highly selective?
What is the main reason why drugs that affect synaptic transmission can be highly selective?
What does a nonselective agonist drug do?
What does a nonselective agonist drug do?
When a drug activates receptors in the peripheral nervous system by increasing transmitter synthesis, what is the main effect of this drug?
When a drug activates receptors in the peripheral nervous system by increasing transmitter synthesis, what is the main effect of this drug?
Which statement is true regarding the action of nonselective agonist drugs on receptor sites?
Which statement is true regarding the action of nonselective agonist drugs on receptor sites?
How do drugs that alter transmitter synthesis impact receptor activation?
How do drugs that alter transmitter synthesis impact receptor activation?
What is the main difference between agonists and antagonists in terms of receptor activation?
What is the main difference between agonists and antagonists in terms of receptor activation?
