Chapter 16: Clinical Connection – Neurotoxins and Local Anesthetics Flashcards
1
Q
___________________________(TTX)
A
Tetrodotoxin, lethal neurotoxin
2
Q
Where is the toxin found?
A
Present in the viscera of Japanese pufferfish
3
Q
Effectively_______________________nerve impulses
A
blocks nerve impulses
4
Q
Local anesthetics: drugs that block _______________________ and other somatic sensations
A
pain
5
Q
What blocks nerve impulses?
A
Procaine (Novocaine) and lidocaine like TTX,
6
Q
Where do the drugs prevent the pain signals from going?
A
Pain signals never reach the CNS
7
Q
Localized cooling of a neuron – Slows _____
A
slows nerve impulses
