A Dorsal Tubular Nerve Cord Is

question 29

Multiple Choice

A dorsal tubular nerve cord is

• A) another name for the notochord.
• B) a strip of cartilage that forms a back and tail.
• C) primitive tissue that forms bone vertebrae.
• D) an early nerve cord that enlarges at one end to form the brain and also extends through vertebrae.
• E) None of the choices are correct.

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Definitions:

Methadone

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Drug Maintenance Programs

Treatment programs designed to minimize the harm of drug addiction, often involving the substitution of a legal medication for an illegal drug.

Heroin Withdrawal

The physiological and psychological symptoms that occur when a person who is dependent on heroin stops using the drug.

Relapse-Prevention Training

A behavioral strategy in therapy designed to teach individuals who are trying to maintain changes in their behavior how to anticipate and cope with the problem of relapse.