Neuron Quiz
8 months ago
msherrera
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  • Question 1
    60 seconds
    Q.

    Basic unit of the nervous system; another name for nerve cell.

    answer choices

    brain stem

    axon

    dendrite

    neuron

  • Question 2
    60 seconds
    Q.

    Nerves that branch out from the spinal cord and connect to rest of body.

    answer choices

    Central Nerves

    Peripheral Nerves

    Cerebellum

    Synapse

  • Question 3
    60 seconds
    Q.

    What are the two main parts of the central nervous system?

    answer choices

    brain and spinal cord

    patella and phalanges

    heart and lungs

    stomach and pancreas

  • Question 4
    60 seconds
    Q.

    When you touch something hot, what is the path of the message?

    answer choices

    brain, nerve, spinal cord

    nerve, spinal cord, brain

    spinal cord, nerve, brain

    brain, spinal cord, nerve

  • Question 5
    60 seconds
    Q.

    As organisms get more complex, cells become specialized to perform specific functions in the body. What is the function for the cell shown?

    answer choices

    contract and shorten movement

    provide coverage and protection

    carry impulses around the body

    connects parts together

  • Question 6
    60 seconds
    Q.

    Small space between neurons

    answer choices

    dendrite

    axon

    synapse

    cerebrum

  • Question 7
    60 seconds
    Q.

    Part of neuron; carries messages away from the cell body.

    answer choices

    neuron

    cell body

    dendrite

    axon

  • Question 8
    60 seconds
    Q. A chemical produced by neurons that carries messages to other neurons
    answer choices
    myelin sheath
    neurotransmitter
    axon
    axon terminal
  • Question 9
    60 seconds
    Q. What number(s) on the graph represents the Resting Potential?
    answer choices
    1 and 2
    1 and 5
    2 and 3
    3 and 4
  • Question 10
    60 seconds
    Q. When a neuron is depolarized, what are the first channels to open?
    answer choices
    Sodium
    Potassium
    Calcium
    ACTH
  • Question 11
    60 seconds
    Q. What number on the graph represents the Depolarization phase?
    answer choices
    1
    2
    3
    4
  • Question 12
    60 seconds
    Q. What number on the graph represents the Hyperpolarization phase?
    answer choices
    1
    2
    3
    4
  • Question 13
    60 seconds
    Q. The sodium-potassium pump....
    answer choices
    Sends (Na+) into the cell
    Sends (K+) into the cell
    Exchanges (K+) & (Na+) during depolarization
    Exchanges (K+) & (Na+) during hyperpolarization
  • Question 14
    60 seconds
    Q. Why is -55 mV a significant number?
    answer choices
    This is the largest charge achieved during an action potential
    This is the threshold required to complete an action potential
    This is the resting charge of a neuron
    This is the charge when all the sodium is inside the cell
  • Question 15
    60 seconds
    Q. The resting potential of a neuron membrane is
    answer choices
    -70mV
    70mV
    70V
    40mV
  • Question 16
    60 seconds
    Q. In resting potential, neurons have more _________ on the outside of the cell membrane.
    answer choices
    K+NaClNa+Cl
    Na+
    NaCl
    Cl-
  • Question 17
    60 seconds
    Q. Which part of the nerve cell receives nerve impulses from other cells?
    answer choices
    cell body
    axon
    dendrite
    axon terminal
  • Question 18
    60 seconds
    Q. Neurons are cells of the nervous system that receive and transmit signals.  Which part of a neuron receives incoming messages from other cells and carry information to the cell body?
    answer choices
    axon
    dendrites
    neurotransmitters
    nucleus
  • Question 19
    60 seconds
    Q. Neurons are cells of the nervous system that receive and transmit signals.  Which part of a neuron transmits signals from the cell body to other cells?
    answer choices
    axon
    dendrites
    neurotransmitters
    nucleus
  • Question 20
    60 seconds
    Q. Neurons are cells of the nervous system that receive and transmit signals.  Which part of a neuron contains the nucleus and other organelles?
    answer choices
    axon
    dendrites
    neurotransmitters
    cell body
  • Question 21
    60 seconds
    Q. Which type of neuron receives signals/stimuli from the eyes, ears, nose, skin, or tongue and transmits this information to other neurons?
    answer choices
    sensory
    motor
    interneuron
    relay neuron
  • Question 22
    60 seconds
    Q. Which type of neuron signals digestive glands to release enzymes, muscles to contract, or causes other actions in the body?
    answer choices
    sensory
    motor
    interneuron
    relay neuron
  • Question 23
    60 seconds
    Q. Which type of neuron is present in the spinal cord or brain and receives sensory neuron signals or communicates signals to motor neurons?
    answer choices
    sensory
    motor
    interneuron
    effector neurons
  • Question 24
    60 seconds
    Q. Label the Neuron-What does the letter "C" represent?
    answer choices
    Cell Body
    Dendrite
    Axon Terminal
    Myelin Sheath
  • Question 25
    60 seconds
    Q. Label the Neuron-What does the letter "D" represent?
    answer choices
    Dendrite
    Axon
    Myelin Sheath
    Node of Ranvier
  • Question 26
    60 seconds
    Q. Label the Neuron-What does the letter "E" represent?
    answer choices
    Schwann Cell
    Node of Ranvier
    Axon Terminal
    Myelin Sheath
  • Question 27
    60 seconds
    Q. Label the Neuron-What does the letter "A" represent?
    answer choices
    Schwann Cell
    Dendrite
    Axon 
    Myelin Sheath
  • Question 28
    60 seconds
    Q. Which of the following is NOT true of a reflex arc?
    answer choices
    It is automatic/involuntary
    It requires processing by the brain for a reaction to occur
    It gives humans a selective advantage when reacting quickly to dangerous situations
    An example is the knee-jerk reflex
  • Question 29
    60 seconds
    Q. Which term refers to the difference in electrical charges on either side of a cell membrane?
    answer choices
    membrane potential
    electricity
    signal transduction
    negativity
  • Question 30
    60 seconds
    Q. Which two ions are involved in the conduction of nerve impulses?
    answer choices
    calcium and potassium
    sodium and potassium
    calcium and phosphate
    magnesium and sulfate
  • Question 31
    60 seconds
    Q. How do cells maintain their membrane potential?
    answer choices
    By using sodium-potassium pumps to actively (with ATP) transport ions
    By using sodium-potassium pumps to passively (without ATP) transport ions
    simple diffusion
    osmosis
  • Question 32
    60 seconds
    Q. Which of the following does NOT correctly describe a resting neuron?
    answer choices
    Positive extracellular environment with higher concentrations of sodium 
    Negative intracellular environment with higher concentrations of potassium
    negative extracellular environment with higher concentrations of sodium
    all of the answers correctly describe a resting neuron
  • Question 33
    60 seconds
    Q.

    Name the structure labeled 'B' (see image)

    answer choices

    Post synaptic terminal

    Receptor

    Ligand

    Neurotransmitter

  • Question 34
    60 seconds
    Q.

    The structure labeled 'E' is called _____ and is filled with ______

    answer choices

    Vacuole; lipids

    Synapse; neurotransmitters

    Membrane; lipids

    Vesicle; neurotransmitters

  • Question 35
    60 seconds
    Q.

    Sensory neurons are also called ____________ neurons

    answer choices

    Afferent

    Efferent

  • Question 36
    60 seconds
    Q.

    Motor neurons send information _______

    answer choices

    to the brain for processing

    away from the brain to muscles

  • Question 37
    60 seconds
    Q.

    Any signal molecule that binds to a receptor is called a _______.

    answer choices

    Neurotransmitter

    Ligand

    Receptor

    Acetylcholine

  • Question 38
    60 seconds
    Q.

    Which part of a neuron RECEIVES a signal?

    answer choices

    Dendrites

    Axon Terminals

  • Question 39
    60 seconds
    Q.

    During an action potential, what occurs during 'A' (see graph)?

    answer choices

    Sodium rushes into the cell

    Potassium rushes out of the cell

    The sodium potassium pump carefully resets the original internal and external charges

    Failure to reach threshold - no action potential

  • Question 40
    60 seconds
    Q.

    During an action potential, what occurs during 'B' (see graph)?

    answer choices

    Sodium rushes into the cell

    Potassium rushes out of the cell

    The sodium potassium pump carefully resets the original internal and external charges

    Failure to reach threshold - no action potential

  • Question 41
    60 seconds
    Q.

    During an action potential, what occurs during 'C' (see graph)?

    answer choices

    Sodium rushes into the cell

    Potassium rushes out of the cell

    The sodium potassium pump carefully resets the original internal and external charges

    Failure to reach threshold - no action potential

  • Question 42
    60 seconds
    Q.

    During an action potential, what are sections A, B, and C (in that order) called?

    answer choices

    Depolarization, Repolarization, Hyperpolarization

    Repolarization, Depolarization, Hyperpolarization

    Hyperpolarization, Depolarization, Repolarization

  • Question 43
    60 seconds
    Q.

    What's significant about -55 mV?

    answer choices

    Charge has to make it higher than -55mV in order for the action potential to occur

    -55mV determines when potassium (K+) leaves the cell

    -55mV determines when the sodium potassium pump begins to reset ions

  • Question 44
    30 seconds
    Q.

    Which of the following is true about cells at resting potential?

    answer choices

    There is a higher concentration of sodium inside of the cell

    They have a resting potential of -30mV relative to the outside of the cell

    There is a higher concentration of potassium outside of the cell

    A sodium-potassium pump keeps the membrane polarized

  • Question 45
    30 seconds
    Q. Which term refers to the difference in electrical charges on either side of a cell membrane?
    answer choices
    membrane potential
    electricity
    signal transduction
    negativity
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