Which of the Following Is NOT True About Identifying the Cardinality

question 26

Multiple Choice

Which of the following is NOT true about identifying the cardinality in an ERD?

• A)You may need to add a join table.
• B)Use 1:N or 1:M for a one-to-many relationship.
• C)Use M:M for a many-to-many relationship.
• D)Use 1:1 for a one-to-one relationship.

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Definitions:

Neurons

The basic working unit of the brain, a specialized cell designed to transmit information to other nerve cells, muscle, or gland cells.

Isotonic Saline

A solution of sodium chloride (salt) in water at a concentration that matches the salt concentration of the body cells and blood, commonly used for medical hydration and wound cleaning.

Extracellular Fluid

The body fluid outside cells, providing a medium for substances to pass between cells and blood vessels.

Resting Membrane Potential

The electrical charge difference across the cellular membrane when a neuron or muscle cell is at rest, typically around -70 mV.