Neuroscience and the Neuron Doctrine

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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?

By contact, not continuity (D) Signup and view all the answers

What is the watery fluid inside the cell called?

Cytosol (C) Signup and view all the answers

What does the nucleus of a neuron control?

Gene expression (D) Signup and view all the answers

What makes neurons different from other cells?

Specific genes (C) Signup and view all the answers

What does the Golgi stain primarily stain in neurons?

Soma (A) Signup and view all the answers

What does the neuron doctrine state about neurons?

They adhere to cell theory (C) Signup and view all the answers

What does the cytoplasm of a neuron contain?

Organelles (C) Signup and view all the answers

Which cells are responsible for phagocytosis in the nervous system?

Microglia (B) Signup and view all the answers

What is the function of oligodendroglial cells?

Insulation of axons (D) Signup and view all the answers

Where is the node of Ranvier located?

On the axon of a neuron (A) Signup and view all the answers

Which cells line the ventricles in the brain?

Ependymal cells (A) Signup and view all the answers

What is the function of microglia in the nervous system?

Phagocytosis (B) Signup and view all the answers

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

Vasculature (D) Signup and view all the answers

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

Structure correlates with function (C) Signup and view all the answers

Which cells are responsible for producing cerebrospinal fluid?

Ependymal cells (B) Signup and view all the answers

What is the function of vasculature in the nervous system?

Formation of blood vessels (D) Signup and view all the answers

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

Oligodendroglial cells (B) Signup and view all the answers

Which of the following is NOT a function of astrocytes?

Insulate axons (A) Signup and view all the answers

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

Ribosomes (D) Signup and view all the answers

What is the function of the mitochondrial in a neuron?

Site of cellular respiration (C) Signup and view all the answers

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

No microtubules in terminal (C) Signup and view all the answers

What is the function of dendrites in a neuron?

Receiving signals from axon terminals (B) Signup and view all the answers

How are neurons classified based on the number of neurites?

Bipolar: two (B) Signup and view all the answers

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

Insulate axons (C) Signup and view all the answers

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

Synaptic transmission (C) Signup and view all the answers

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

Unique protein composition in axon (D) Signup and view all the answers

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

Internal scaffolding of neuronal membrane (A) Signup and view all the answers