On a Logical Data Flow Diagram (DFD), Data Flows

question 7

Multiple Choice

On a logical data flow diagram (DFD) , data flows:

• A) always go from a higher-numbered to a lower-numbered bubble
• B) never go from a higher-numbered to a lower-numbered bubble
• C) can go in either direction as needed
• D) must go from a bubble to a square

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Definitions:

-malacia

A suffix used in medical terminology to denote a pathological softening of tissues, often used in the context of diseases affecting specific organs.

High-frequency Current

Electrical current characterized by a high rate of oscillation, used in various applications including medical treatments and radio transmissions.

Diathermy

A medical and surgical technique involving the use of high-frequency electric currents to generate heat in body tissues, used to stimulate blood circulation, relieve pain, and destroy unhealthy tissue.

Blood Flow

The continuous circulation of blood through the heart and blood vessels, delivering nutrients and oxygen to the body's cells while removing waste products.