Module 1.1 Quiz

Neurons typically have one _____, but many____.

Molecules that can cross the blood-brain barrier are usually ____

What do neurons have that other cells do not

Why do neurons rely so heavily on glucose as their source of nutrition

Glucose enters the brain via which type of transport

Why does the brain need thiamine

If you were to accidentally touch a hot stove with your hand, you would quickly pull your hand away. The information carried to the muscles in your arm to make them contract was carried by ____

Nodes of Ranvier are _____

The branching fibers that form the information-receiving pole of the nerve cells are called ____

What type of glial cells myelinated axons in the brain and spinal cord

The endoplasmic reticulum is a ____

What structure is composed of two layers of fat molecules that are free to flow around one another

The two basic kinds of cells in the nervous system are ____

A presynaptic terminal is also known as ____

What is the main source of nutrition for vertebrate neurons

Chemicals are released by axons ____

As a general rule, axons convey information ____

Glial cells whose function most closely resembles that of the immune system are called ___

Glial cells ____

Small, charged molecules can cross the cell membrane through ____

What type of neuron in the pons receives information only from other cells in the pons and sends information only to other cells in the pons

What leads to Korsakoff's syndrome

What type of glia helps to synchronize the activity of axons

What mechanism prevents or slows some chemicals from entering the brain, while allowing others to enter

Ribosomes are the part of the cell that ____

Neurons differ most strongly from other body cells in their ____

Water, oxygen, and ____ most freely flow across a cell membrane

Which those of glia builds myelin sheaths around axons in the periphery of the body

the stricter that contains a cell's chromosomes is called the ____

The membrane of a neuron is composed of ____ with ____ embedded in them

What happens to a virus that manages to cross the blood-brain barrier and enters the brain

Which type of glia release chemicals that modify the activity of neighboring neurons

Many dendrites contain short outgrowths called spines that ____

The cell membrane is composed of two layers of ____

___ in the brain and spinal cord and ____ in the periphery are specialized types of glia that build the myelin sheaths that surround neurons

If all of a neuron's dendrites or axons were contained within the spinal cord, it would be considered a(n) ____ neuron

Korsakoff's syndrome ___

Dendrites ____

As compared to dendrites, axons usually ____

The surface of a dendrite is lined with specialized junctions through which the dendrite receives information from other neurons. What are the junctions called