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Quiz

Neurotransmission

Hannah W 12 perguntas

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Perguntas do quiz (12)

  1. 1[blank_start]Neurotransmission[blank_end] ism the communication between neurons. It allows messages from the environment to be processed by the [blank_start]brain[blank_end] and messages to be sent to the muscles so that action can occur.
    There are 2 types of synapses that are involved in the communication between neurons: e[blank_start]xcitatory[blank_end] synapses and i[blank_start]nhibitory[blank_end] synapses
    1. ANeurotransmission
    2. Bbrain
    3. Cxcitatory
    4. Dnhibitory
  2. 2[blank_start]Dendrites[blank_end]: Receives info from the other neurons & transports it to the cell body.

    [blank_start]Soma[blank_end]: Controls the metabolism and maintenance of the neuron

    [blank_start]Myelin[blank_end]: The sheath covering the axon, protecting it from other chemical or physical interference

    [blank_start]Axon terminals[blank_end]: Transmits the Information to the next neuron; the terminal ends have sacs that secrete neurotransmitters.
    1. ADendrites
    2. BSoma
    3. CMyelin
    4. DAxon terminals
  3. 3Neurotransmitters are [blank_start]chemicals[blank_end] that transmit information from one neuron to the next. The [blank_start]electrical[blank_end] signal travels down the axon, is converted into a [blank_start]chemical[blank_end] signal (neurotransmitter), travels across the [blank_start]synapse[blank_end] and into the [blank_start]dendrite[blank_end] of the next neuron. This process is called [blank_start]synaptic transmission.[blank_end]
    1. Aelectrical
    2. Bchemicals
    3. Cchemical
    4. Dsynapse
    5. Edendrite
    6. Fsynaptic transmission.
  4. 4The [blank_start]lock and key[blank_end] process states that neurotransmitters released from the presynaptic neuron will bind with receptors of the postsynaptic neuron, if they fir correctly.
    1. Alock and key
  5. 5The two main types of neurotransmitters are
    1. AStimulatory
    2. BExcitatory
    3. CInhibitory
    4. DRepressive
  6. 6Example of excitatory neurotransmitter
    1. AGABA
    2. BGlutamate
    3. CSerotonin
    4. DGlycine
  7. 7Example of inhibitory neurotransmitter
    1. AGABA
    2. BGlutamate
    3. CEpinephrine
    4. DNorepinephrine
  8. 8[blank_start]Excitatory[blank_end] neuron: Causes the neurons to fire
    - When an axon fires the terminal [blank_start]buttons[blank_end] (ends) of the excitatory synapse release a neurotransmitter that excites the postsynaptic neuron, causing it to reach its [blank_start]action potential[blank_end].
    - [blank_start]Glutamate[blank_end] is an excitatory neurotransmitter that increases the chance of an action potential being generated. Involved in learning and [blank_start]memory[blank_end]
    1. AExcitatory
    2. Bbuttons
    3. Caction potential
    4. DGlutamate
    5. Ememory
    6. FInhibitory
  9. 9[blank_start]Inhibitory[blank_end] neurotransmitter: inhibits neuron from firing
    - In contrast when the inhibitory synapses are activated, the firing rate of the postsynaptic neuron is [blank_start]reduced[blank_end] and sometimes does not fire at all.
    - [blank_start]GABA[blank_end] has an inhibitory effect on the brain. It decreases the chance of action potential being generated. Regulates [blank_start]anxiety[blank_end].
    1. AInhibitory
    2. BExcitatory
    3. Creduced
    4. DGABA
    5. Eanxiety
  10. 101/3 of all neurotransmitters in the brain are:
    1. AGABA
    2. BGlutamate
    3. CSerotonin
    4. DGlugagen

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