What is the reason that the bite of a black widow spider can trigger severe muscle contractions,convulsions,and heart failure?
A) The receptors for acetylcholine are blocked
B) The receptors for dopamine are blocked
C) The receptors for acetylcholine are flooded
D) The receptors for dopamine are flooded
Correct Answer:
Verified
Q22: Which of the following is not a
Q23: What are ions?
A) Positively charged particles
B) Positively
Q24: A flood of electrically charged ions in
Q25: The term depolarization refers to _.
A) the
Q26: Which situation increases the likelihood that a
Q28: When the combined stimulation received by the
Q29: When there are more positive ions outside
Q30: The process of taking the neurotransmitters back
Q31: A neuron fires an electrochemical impulse if
Q32: In a disease such as Parkinson's disease,which
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