Neuroscience and the Neuron Doctrine

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Questions and Answers

Which cells insulate, support, and nourish neurons?

  • Glia (correct)
  • Soma
  • Neurons
  • Axons

What does the Nissl stain facilitate the study of?

  • Tissue structure (correct)
  • Cytosol
  • Neurites
  • Glia cells

What did the Golgi stain reveal about neurons?

  • Axons and dendrites
  • Cytosol and organelles
  • Glia and neurons
  • Soma and perikaryon (correct)

According to the neuron doctrine, how do neurons communicate?

<p>By contact, not continuity (D)</p> Signup and view all the answers

What is the watery fluid inside the cell called?

<p>Cytosol (C)</p> Signup and view all the answers

What does the nucleus of a neuron control?

<p>Gene expression (D)</p> Signup and view all the answers

What makes neurons different from other cells?

<p>Specific genes (C)</p> Signup and view all the answers

What does the Golgi stain primarily stain in neurons?

<p>Soma (A)</p> Signup and view all the answers

What does the neuron doctrine state about neurons?

<p>They adhere to cell theory (C)</p> Signup and view all the answers

What does the cytoplasm of a neuron contain?

<p>Organelles (C)</p> Signup and view all the answers

Which cells are responsible for phagocytosis in the nervous system?

<p>Microglia (B)</p> Signup and view all the answers

What is the function of oligodendroglial cells?

<p>Insulation of axons (D)</p> Signup and view all the answers

Where is the node of Ranvier located?

<p>On the axon of a neuron (A)</p> Signup and view all the answers

Which cells line the ventricles in the brain?

<p>Ependymal cells (A)</p> Signup and view all the answers

What is the function of microglia in the nervous system?

<p>Phagocytosis (B)</p> Signup and view all the answers

Which cells are responsible for forming blood vessels in the nervous system?

<p>Vasculature (D)</p> Signup and view all the answers

What is the relationship between the structure and function of neurons?

<p>Structure correlates with function (C)</p> Signup and view all the answers

Which cells are responsible for producing cerebrospinal fluid?

<p>Ependymal cells (B)</p> Signup and view all the answers

What is the function of vasculature in the nervous system?

<p>Formation of blood vessels (D)</p> Signup and view all the answers

Which cells are responsible for insulating axons in the nervous system?

<p>Oligodendroglial cells (B)</p> Signup and view all the answers

Which of the following is NOT a function of astrocytes?

<p>Insulate axons (A)</p> Signup and view all the answers

What is the major site for protein synthesis in a neuron?

<p>Ribosomes (D)</p> Signup and view all the answers

What is the function of the mitochondrial in a neuron?

<p>Site of cellular respiration (C)</p> Signup and view all the answers

What is the difference between the cytoplasm of the axon terminal and the axon?

<p>No microtubules in terminal (C)</p> Signup and view all the answers

What is the function of dendrites in a neuron?

<p>Receiving signals from axon terminals (B)</p> Signup and view all the answers

How are neurons classified based on the number of neurites?

<p>Bipolar: two (B)</p> Signup and view all the answers

What is the function of myelinating glia in the nervous system?

<p>Insulate axons (C)</p> Signup and view all the answers

What is the process of electrical-to-chemical-to-electrical transformation called at the synapse?

<p>Synaptic transmission (C)</p> Signup and view all the answers

What is the difference between axon and soma in terms of protein composition?

<p>Unique protein composition in axon (D)</p> Signup and view all the answers

What is the function of microtubules, microfilaments, and neurofilaments in the cytoskeleton of a neuron?

<p>Internal scaffolding of neuronal membrane (A)</p> Signup and view all the answers

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