If vitamin A pools become depleted, the process of _______ is impaired.Multiple choice question.cataract formationxerophthalmiafollicular hyperkeratosisdark adaptation

______ occurs when vitamin A deficiency progresses and leads to dryness of the cornea and eye membranes.Multiple choice question.XerophthalmiaMacular degenerationRicketsHyperkeratosis

If the supply of a specific vitamin is inadequate, a deficiency disease related to that vitamin's function will develop _____.Multiple choice question.over the same period of time for each vitaminimmediately after the inadequate intake beginsgradually over a period of time

The leading cause of preventable blindness in children is caused by a deficiency of which vitamin?Multiple choice question.AKDE

Select all that applyWhich of the following are the symptoms of a vitamin A deficiency?Multiple select question.Decreased brain functionIncreased incidence of infectionsImpaired growthNight blindness

The consumption of vitamin A in excess of the Upper Level results in a condition called ______.Multiple choice question.osteomalaciafollicular hyperkeratosishypervitaminosis Ahemolytic anemia