Asked by Anjani Maladi on May 20, 2024
Verified
Marco has great difficulty walking due to uncontrollable tremors and shakiness.His doctor told him that this was due to a decreasing amount of a neurotransmitter in his brain.Which of the following neurotransmitters would be likely to cause this difficulty?
A) epinephrine
B) norepinephrine
C) glutamate
D) dopamine
Neurotransmitter
Chemical substances that transmit signals from one neuron to another across synapses in the nervous system.
Tremors
Involuntary, rhythmic muscle movements that cause shaking in one or more parts of the body, often affecting the hands.
- Specify the principal neurotransmitters and their roles in influencing behavior and physical functions.
Verified Answer
VJ
Victoria JonesMay 27, 2024
Final Answer :
D
Explanation :
Dopamine is a neurotransmitter that plays a key role in controlling movement and coordination. A decrease in dopamine levels is associated with movement disorders such as Parkinson's disease, which is characterized by tremors, shakiness, and difficulty walking.
Learning Objectives
- Specify the principal neurotransmitters and their roles in influencing behavior and physical functions.