When Evaluating a Forced Vital Capacity Maneuver Postbronchodilator Use to Determine

question 58

Multiple Choice

When evaluating a forced vital capacity maneuver postbronchodilator use to determine the reversibility of any airway obstruction, what percent increase in FEV₁ is needed to be able to say the treatment was effective?

• A) 5%
• B) 10%
• C) 15%
• D) 20%

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Definitions:

Cytokinins

A class of plant hormones that promote cell division and growth, and delay senescence.

Cut Stem

Involves slicing or trimming the stem of a plant, often as a method of propagation or to remove dead or diseased portions.

Flowering Promoter

A substance or environmental cue that stimulates a plant to transition from vegetative growth to flowering.

Flowering Inhibitor

A substance or hormone that suppresses or delays the flowering process in plants.