While Checking the Accuracy of a Portable Spirometer for Volumetric

question 46

Multiple Choice

While checking the accuracy of a portable spirometer for volumetric measures with a calibrated super syringe, you obtain a mean measured value of 2.7 L. What is the percent error of this instrument?

• A)1%
• B)10%
• C)30%
• D)90%

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Definitions:

Tapeworm

Parasitic flatworms that live in the digestive tract of vertebrates, absorbing nutrients from the host's meals.

Scolex

The head or attachment organ of a tapeworm, equipped with suckers or hooks for attaching to the host's intestine.

Proglottid

One of the segments that make up the body of a tapeworm, each capable of producing eggs and developing into a new organism.

Flame Cells

Specialized excretory cells found in some flatworms, functioning in the removal of waste products from the body.