Match Each of the Following Terms with Its Corresponding Definition

question 7

Multiple Choice

Match each of the following terms with its corresponding definition.
-A field of data that can be used to locate a related field or row of data.

• A)calculated field
• B)data type
• C)default value
• D)denormalization
• E)field
• F)hashed file organization
• G)index
• H)indexed file organization
• I)pointer
• J)sequential file organization

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Definitions:

Ligand-Gated

Referring to ion channels that open in response to the binding of a chemical messenger (ligand), such as a neurotransmitter.

Acetylcholine

A neurotransmitter involved in many functions including muscle movement, heart rate, and the modulation of brain activity.

GABA

Gamma-Aminobutyric Acid, an inhibitory neurotransmitter in the central nervous system that plays a key role in reducing neuronal excitability throughout the nervous system.

Receptor Downregulation

A decrease in the number of receptors on the surface of target cells, often in response to high levels of a hormone or neurotransmitter.