exchange

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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plasma exchange  the removal of plasma from withdrawn blood, with retransfusion of the formed elements into the donor; done for removal of circulating antibodies or abnormal plasma constituents.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 ?
Dollar Index, European Climate Exchange (ECX) and Chicago Climate Futures Exchange (CCFE).
News department staff members from the city of Shanghai and the China Securities Regulatory Commission said Wednesday they had not received any news about plans for a Shanghai futures exchange.
Using the same approach as the PWG, the CFTC has evaluated the regulation of futures exchanges in light of the public policy objectives of deterring market manipulation and protecting investors.
MODERNIZING THE CEA: HARMONIZING REGULATION OF THE OTC MARKETS AND FUTURES EXCHANGES
Tsang said in his fiscal 1999 budget address at the Legislative Council that the government plans to upgrade market infrastructure, strengthen regulatory reform and seek to demutualize and merge the stock and futures exchanges and clearing houses.
On the futures exchanges themselves, financial futures, not agricultural futures, now account for the great bulk of the activity, and retail participation in many of the financial futures contracts is negligible.
REDIPlus now provides access to over a dozen Asian equities and futures exchanges and includes the full suite of global algorithmic capabilities to complement its existing offering for North American and European clients.
TT's fast, reliable exchange connections enable trading of the world's major futures exchanges as well as energy, foreign exchange, fixed income and other instruments.
The CFTC can be viewed as the better choice because of its oversight of the futures exchanges and their clearing organizations.
and international exchanges, and are among the most active members of futures exchanges in Chicago, New York, London, Frankfurt, Paris and Singapore.
Merged by three futures exchanges of Shanghai in 1999, it now has four major commodity futures products (oil, copper cathode, aluminum and natural rubber) that boast of regional and global significance.