Which Statement Concerning the Nodes of Ranvier Is True

question 105

Multiple Choice

Which statement concerning the nodes of Ranvier is true?

• A) The myelinated membrane adjacent to the nodes allows the firing of action potentials.
• B) The nodes are regions where the nerve axon is myelinated.
• C) Action potentials jump from node to node.
• D) Voltage-gated ion channels are clustered in the regions between the nodes.
• E) Positive current flows along the outside of the myelinated axon in between the nodes.

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Definitions:

Regression Equation

is a mathematical formula that describes the relationship between dependent and independent variables.

Unit Increase

In statistics or mathematical contexts, it refers to an increment by one in the value or quantity of a measurement.

Holding Constant

A method in statistical analysis where specific variables are kept unchanged to isolate the effects of other variables.

Polynomial Model

A type of regression analysis where the relationship between the independent variable and the dependent variable is modeled as an nth degree polynomial.