The World's Public Switched Telephone Networks,both Wireline and Mobile,communicate with Each

question 22

Multiple Choice

The world's public switched telephone networks,both wireline and mobile,communicate with each other by means of a signaling protocol known as __________________.

• A)private branch exchange (PBX)
• B)Signaling System 7
• C)public switched telephone network (PSTN)
• D)public data network (PDN)

---

Definitions:

Electrolyte Imbalance

A condition where the levels of electrolytes in the body are either too high or too low, impacting various bodily functions.

Sodium Imbalance

An irregular level of sodium in the blood, which can lead to various health problems such as dehydration or fluid retention.

Laboratory Value

A quantitative result obtained from medical lab tests, used to assess health status or diagnose conditions.

Calcium Level

A measure of the amount of calcium in the blood, crucial for various bodily functions including bone health, muscle function, and nerve transmission.