An Entity Cluster Is a "Virtual" Entity Type Used to Represent

question 72

True/False

An entity cluster is a "virtual" entity type used to represent multiple entities and relationships in the ERD.

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Definitions:

Morphine

A powerful opioid analgesic drug derived from opium, used to relieve severe pain.

Heroin

An opioid drug made from morphine, a natural substance taken from the seed pod of the various opium poppy plants.

THC

Tetrahydrocannabinol, the principal psychoactive constituent of cannabis, responsible for its mind-altering effects.

Active Ingredient

The component of a drug or substance that is biologically active and responsible for its effects on the body.