Which of the Following Is a Functional Test of Vitamin

question 19

Multiple Choice

Which of the following is a functional test of vitamin A status?

• A) relative dose response
• B) retinol isotope dilution
• C) dark adaptation
• D) liver biopsy

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Definitions:

Rocks Folded

refers to the bending and curving of rock layers under pressure, without the layers breaking.

Flat-lying Layers

Horizontal strata of sedimentary rock that have not been significantly tilted or disturbed since their deposition.

Disconformity

An unconformity in which the bedding planes above and below the break are essentially parallel, but the unconformity surface records erosion or some other interruption in the deposition of layers.

Seawater

The saline water composing the world's oceans and seas, which envelopes over 70% of the Earth's surface.