A toxin found in shellfish blocks voltage-gated Na+ channels from opening in somatic motor neurons. What...

70.2K

Verified Solution

Question

Medical Sciences

A toxin found in shellfish blocks voltage-gated Na+ channelsfrom opening in somatic motor neurons. What effect would this haveon nerve and muscle function?
Neurons wouldnâ€™t depolarize; muscle would contract continuously(spastic paralysis)
Neurons wouldnâ€™t repolarize; muscle would be unable to contract(flaccid paralysis)
Neurons wouldnâ€™t repolarize; muscle would contract continuously(spastic paralysis)
Neurons wouldnâ€™t depolarize; muscle would be unable to contract(flaccid paralysis)
Neurons wouldnâ€™t depolarize, but this would not affect musclefunction

Answer & Explanation Solved by verified expert

4.4 Ratings (565 Votes)

Correct answer Neurons wouldnt depolarize muscle would be unable to contract Flaccid paralysis Explanation When a nerve impulse reaches the motor neuron it activates the voltagegated Na channels This causes an influx of Na into the nerve cell This causes depolarization of the See Answer

Get Answers to Unlimited Questions

Join us to gain access to millions of questions and expert answers. Enjoy exclusive benefits tailored just for you!

Membership Benefits:

Unlimited Question Access with detailed Answers
Zin AI - 3 Million Words
10 Dall-E 3 Images
20 Plot Generations
Conversation with Dialogue Memory
No Ads, Ever!
Access to Our Best AI Platform: Flex AI - Your personal assistant for all your inquiries!

Become a Member