Structural Organisation In Animals Question 473
Question: Threshold stimulus is
Options:
A) Stimulus of specific strength which can excite muscle or nerve fibre
B) Capacity of muscle to contract
C) Stimulus to indicate the contraction
D) None of the above
Show Answer
Answer:
Correct Answer: A
Solution:
The stimulus applied to a nerve fibre or muscle must reach a certain minimum strength or threshold before it can initiate an action potential to travel along the nerve fibre or muscle.
BETA
