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This matching may be assessed in the lung as a whole, or in individual or in sub-groups of gas-exchanging units in the lung. On the other side Ventilation-perfusion mismatch is the term used when the ventilation and the perfusion of a gas exchanging unit are not matched. The actual values in the lung vary depending on the position within the lung.
A ventilation/perfusion lung scan, also called a V/Q lung scan, or ventilation/perfusion scintigraphy, is a type of medical imaging using scintigraphy and medical isotopes to evaluate the circulation of air and blood within a patient's lungs, [1] [2] in order to determine the ventilation/perfusion ratio.
The lung structure is important for the mechanism of ventilation-perfusion coupling. Pleura (plural: pleurae) is a single membrane surrounding the lung. It folds back to form two layers, and each layer is called parietal pleura and visceral pleura.
The matching adjustment is a mechanism prescribed in the Solvency II Directive that allows insurance firms 'to adjust the relevant risk-free interest rate term structure for the calculation of a best estimate of a portfolio of eligible insurance obligations'.
Extended matching items/questions (EMI or EMQ) are a written examination format similar to multiple choice questions but with one key difference, that they test knowledge in a far more applied, in-depth, sense. It is often used in medical education and other healthcare subject areas to test diagnostic reasoning.
Matching funds, funds set to be paid in equal amount to funds available from other sources; Matching principle, an accounting method; Matching theory (economics), the assigning of job candidates to vacancies; Matching corresponding trades, the basic operation for clearing (finance) Employer matching program in the United States
This template is placed at the bottom of the Timeline of United States history articles to aid navigation in the series.. This template's initial visibility currently defaults to autocollapse, meaning that if there is another collapsible item on the page (a navbox, sidebar, or table with the collapsible attribute), it is hidden apart from its title bar; if not, it is fully visible.
The template is a registered service mark of the Information Technology Industry Council (ITI). [ 1 ] [ 2 ] This may affect its proper use in text, and who has permission to use the template. The term is commonly used in procurement discussions of compliance or conformance with Section 508.