Biological Perspective Quiz 2 - Neurotransmitters

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| By Mahapatrap
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Mahapatrap
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Biological Perspective Quiz 2 - Neurotransmitters - Quiz

Quiz on neurotransmitters


Questions and Answers
  • 1. 

    What is the yellow part shown on the diagram below

    • A.

      Cell body

    • B.

      Dendrites

    • C.

      Nucleus

    • D.

      Axon

    Correct Answer
    D. Axon
    Explanation
    The yellow part shown on the diagram is the axon. The axon is a long, slender projection of a nerve cell that carries electrical impulses away from the cell body to other cells. It is responsible for transmitting signals to other neurons, muscles, or glands. Axons are covered by a fatty substance called myelin, which helps to insulate and speed up the transmission of electrical signals.

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  • 2. 

    List the following in order of occurance A. Action potential travels along axon of sending neuron B. The neurotransmitter must fit perfectly into the receptor C. Synaptic transmission occurs when the action potential causes neurotransmitters to be released by the synaptic vesicles in the axon terminals D. The neurotransmitters cross the synaptic gap and bind with the correctly shaped receptor sites on the receiving neuron.  

    • A.

      ACDB

    • B.

      ACDC

    • C.

      ABBA

    • D.

      ADCB

    Correct Answer
    A. ACDB
    Explanation
    The correct order of occurrence is as follows: A. Action potential travels along axon of sending neuron, C. Synaptic transmission occurs when the action potential causes neurotransmitters to be released by the synaptic vesicles in the axon terminals, D. The neurotransmitters cross the synaptic gap and bind with the correctly shaped receptor sites on the receiving neuron, and finally B. The neurotransmitter must fit perfectly into the receptor.

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  • 3. 

    The process by which neurotransmitter molecules detach from a postsynaptic neuron are reabsorbed by a pre-synaptic neuron so they can be recycled and used again.

    • A.

      Axon terminals

    • B.

      Synaptic transmission

    • C.

      Reuptake

    • D.

      Neurotransmitters

    Correct Answer
    C. Reuptake
    Explanation
    Reuptake is the process by which neurotransmitter molecules detach from a postsynaptic neuron and are reabsorbed by a pre-synaptic neuron. This allows the neurotransmitters to be recycled and used again in synaptic transmission.

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  • 4. 

    What does acetylcholine do?

    • A.

      Emotional states, sleep

    • B.

      Physical arousal, learning, memory

    • C.

      Learning, memory, muscle contractions

    • D.

      Movement, thought processes, rewarding sensations

    Correct Answer
    C. Learning, memory, muscle contractions
    Explanation
    Acetylcholine is a neurotransmitter that plays a crucial role in various physiological processes. It is involved in learning and memory by facilitating the communication between neurons in the brain, which aids in the formation and retrieval of memories. Acetylcholine also plays a role in muscle contractions by transmitting signals from motor neurons to muscle fibers, allowing for voluntary movement and control. Therefore, the correct answer is "learning, memory, muscle contractions."

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  • 5. 

    Which one of these effects are can drugs not do?

    • A.

      Drugs can mimic the neurotransmitter

    • B.

      Drugs can block the receptor site on the receiving neuron

    • C.

      Drugs can block he reuptake of the neurotransmitter

    • D.

      None of the above

    Correct Answer
    D. None of the above
    Explanation
    Drugs can mimic neurotransmitters, block receptor sites on receiving neurons, and block the reuptake of neurotransmitters. Therefore, none of the effects listed can be excluded as something drugs cannot do.

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  • Current Version
  • May 23, 2024
    Quiz Edited by
    ProProfs Editorial Team
  • Mar 02, 2010
    Quiz Created by
    Mahapatrap
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