Select all that applyThe amount of sun exposure needed to obtain 80-100% of the vitamin D3 required by the body depends on ____.Multiple select question.calcium storesskin colorgeographic locationtime of day

What percentage of our vitamin D needs may be met by the exposure to sunlight?Multiple choice question.50%25%80%

Select all that applyFactors that affect the conversion of sunlight to vitamin D include _____.Multiple select question.ageimmune functionalitypregnancyskin colordietary intake of fruits and vegetables

Select all that applyWater-soluble vitamins ______.Multiple select question.are needed for the normal function of body tissuescan directly produce energyhelp maintain body tissuesare needed for the growth of body tissues

A person with dark skin would need a ______ exposure time to sunlight to synthesize the same amount of vitamin D as someone with light skin.Multiple choice question.shorterlonger

Select all that applyVitamin A is important in maintaining normal differentiation in cells related to the structural components of the eyes, including _____. Multiple select question.the retinathe corneathe color