Which Symbol Would You Use in an E-R Diagram to Show

question 55

Multiple Choice

Which symbol would you use in an E-R diagram to show that a course is taught by only one teacher?

• A)Straight,vertical line ( | )
• B)Crow's foot
• C)Solid arrow
• D)Circle

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Definitions:

Levothyroxine

A synthetic form of thyroxine (a thyroid hormone) used to treat thyroid hormone deficiencies such as hypothyroidism.

Hypothyroidism

A condition characterized by insufficient production of thyroid hormones by the thyroid gland, affecting metabolism.

Blood Pressure

The force exerted by circulating blood upon the walls of blood vessels, measured using two numbers: systolic (pressure during heartbeat) and diastolic (pressure between beats).

Temperature

A measure of the hotness or coldness of an object or substance, reflecting the average kinetic energy of its particles.