CNS EXAM QUESTIONS AND 100% CORRECT
ANSWERS (A+ GRADED)
Which of the following statements correctly defines neuron? -Answer The cells of
nervous tissue that generate and transmit action potentials
Which of the following statements correctly defines neuroglial cell? -Answer Cells of
nervous tissue that surround and support neurons
Which of the following statements correctly defines cell body? -Answer The biosynthetic
center of the neuron
Which of the following is the correct definition of axon? Process of the neuron that
generates and transmits action potentials
Which of the following is the correct definition of dendrite? Branching process of the
neuron that transmits electrical potentials toward the cell body
Which of the following is the correct definition of myelin sheath? A fatty sheath
surrounding the myelinated axons that increases the speed of conduction of an action
potential
Which of the following defines Node of Ranvier? Answer Gaps between segments of
myelin sheath
Which of the following defines synapse? Answer Junction between neurons and target
cells
Which of the following statements correctly defines axon terminal? Answer Bulbous
, region at end of each telodendrion containing synaptic vesicles
Which of the following best defines synaptic vesicle? A. A vesicle filled with
neurotransmitters in the axon terminal of a neuron
Which of the following is the best definition of synaptic cleft? A. The fluid-filled space at
a synapse through which neurotransmitters diffuse
Which of the following best defines presynaptic neuron? A. The neuron that sends the
message; its axon terminals contain synaptic vesicles filled with neurotransmitters
Which of the following is the correct description for postsynaptic neuron? - Answer The
neuron with which the signal; its plasma membrane contains receptors for
neurotransmitters
What is the main function of an axon? - Answer To generate and conduct signals in the
form of action potentials.
Synaptic vesicles are located within the -Answer Axon terminals.
Which of the following statements best describes the function of oligodendrocytes?
-Answer To myelinate the axons in the CNS
Which of the following statements best describes the function of astrocytes? - Hold
neurons and blood vessels in place and maintain extracellular environment surrounding
neurons, including participation in the blood-brain barrier
Which of the following statements best describes the function of microglial cells? -
Phagocytic cells of the CNS
Which of the following statements best describes the function of Schwann cells? -
ANSWERS (A+ GRADED)
Which of the following statements correctly defines neuron? -Answer The cells of
nervous tissue that generate and transmit action potentials
Which of the following statements correctly defines neuroglial cell? -Answer Cells of
nervous tissue that surround and support neurons
Which of the following statements correctly defines cell body? -Answer The biosynthetic
center of the neuron
Which of the following is the correct definition of axon? Process of the neuron that
generates and transmits action potentials
Which of the following is the correct definition of dendrite? Branching process of the
neuron that transmits electrical potentials toward the cell body
Which of the following is the correct definition of myelin sheath? A fatty sheath
surrounding the myelinated axons that increases the speed of conduction of an action
potential
Which of the following defines Node of Ranvier? Answer Gaps between segments of
myelin sheath
Which of the following defines synapse? Answer Junction between neurons and target
cells
Which of the following statements correctly defines axon terminal? Answer Bulbous
, region at end of each telodendrion containing synaptic vesicles
Which of the following best defines synaptic vesicle? A. A vesicle filled with
neurotransmitters in the axon terminal of a neuron
Which of the following is the best definition of synaptic cleft? A. The fluid-filled space at
a synapse through which neurotransmitters diffuse
Which of the following best defines presynaptic neuron? A. The neuron that sends the
message; its axon terminals contain synaptic vesicles filled with neurotransmitters
Which of the following is the correct description for postsynaptic neuron? - Answer The
neuron with which the signal; its plasma membrane contains receptors for
neurotransmitters
What is the main function of an axon? - Answer To generate and conduct signals in the
form of action potentials.
Synaptic vesicles are located within the -Answer Axon terminals.
Which of the following statements best describes the function of oligodendrocytes?
-Answer To myelinate the axons in the CNS
Which of the following statements best describes the function of astrocytes? - Hold
neurons and blood vessels in place and maintain extracellular environment surrounding
neurons, including participation in the blood-brain barrier
Which of the following statements best describes the function of microglial cells? -
Phagocytic cells of the CNS
Which of the following statements best describes the function of Schwann cells? -