exchange

(redirected from telephone exchange)
Also found in: Dictionary, Thesaurus, Legal, Financial, Acronyms, Encyclopedia, Wikipedia.
Related to telephone exchange: Bsnl

exchange

 [eks-chānj´]
1. the substitution of one thing for another.
2. to substitute one thing for another.
gas exchange the passage of oxygen and carbon dioxide in opposite directions across the alveolocapillary membrane.
health care information exchange in the nursing interventions classification, a nursing intervention defined as providing patient care information to health professionals in other agencies.
impaired gas exchange a nursing diagnosis approved by the North American Nursing Diagnosis Association, defined as excess or deficit in oxygenation and/or carbon dioxide elimination at the alveolocapillary membrane (see gas exchange). Etiological and contributing factors include an altered oxygen supply, changes in the alveolar-capillary membrane, altered blood flow, and altered oxygen-carrying capacity of the blood. Defining characteristics include changes in mental status such as confusion, somnolence, restlessness, and irritability; ineffective coughing and inability to move secretions from the air passages; hypercapnia; and hypoxia. For specific medical treatments and nursing interventions, see airway clearance, ineffective; breathing patterns, ineffective; chronic airflow limitation; and anemia.
plasma exchange see plasma exchange.

ex·change

(eks-chānj'),
To substitute one thing for another, or the act of such substitution.

exchange

/ex·change/ (eks-chānj)
1. the substitution of one thing for another.
2. to substitute one thing for another.

plasma exchange  the removal of plasma from withdrawn blood, with retransfusion of the formed elements into the donor; done for removal of circulating antibodies or abnormal plasma constituents. The plasma removed is replaced by type-specific frozen plasma or by albumin.

ex·change

(eks-chānj')
To substitute one thing for another, or the act of such substitution.
References in periodicals archive ?
Now her story as one of Scotland's longest-serving and last telephone exchange operators is to be told as part of an exhibition in one of 10 new galleries being opened at the museum in July.
The Norwegian telecomms operator Telenor ASA said yesterday (10 June) that it had started works across the country to upgrade 20 telephone exchanges to support ADSL technology.
Tom, who was 100 on August 21, said: "It was my ambition to see a modern telephone exchange.
The era of conventional telephone exchanges is now over and most modern exchanges would now be installed in Pakistan.
The fire broke out at the BSNL telephone exchange due to a short circuit and spread towards a nearby school, K R Jain School damaging a few classrooms.
SWAT, 27 April , 2009 (Frontier Star) -- Taliban have taken control of telephone exchange in Bahrain area of Swat.
AN OLD telephone exchange is to be transformed into a 60-bedroom boutique hotel, restaurant, shops and offices in Chester.
Some ISPs in the UK have revealed that they are considering loosening ties with BT through the Local Loop Unbundling (LLU) process which involves swapping wires in the telephone exchange.
Work has just finished to upgrade the Hylton telephone exchange, offering high-speed internet access to homes and companies in that area of Sunderland for the first time.
A fault in a telephone exchange plunged offices and homes across the West Midlands into a communications blackout yesterday.
But the Pardee House, an 1890s single-story building that once housed a movie set and telephone exchange, needs about $130,000 worth of repairs, including a new roof that could cost up to $25,000.

Full browser ?