Why Are the Symptoms of Zinc and Vitamin a Deficiency

question 35

Multiple Choice

Why are the symptoms of zinc and vitamin A deficiency similar?

• A)Because zinc deficiency prevents the expression of genes controlled by retinoic acid.
• B)A deficiency of vitamin A prevents zinc from binds to a protein receptor in the nucleus of the cell.
• C)Zinc deficiency prevents the absorption of vitamin A.
• D)Both zinc and retinal are required in the visual cycle.

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Definitions:

Control Chart

A statistical tool used in quality control processes to monitor and control a process variable over time, identifying trends, shifts, or outliers.

Operating Characteristics Curve

A graphical representation showing the relationship between the capacity of a system or process and one or more of its operating parameters.

Acceptance Sampling

A statistical quality control method where a random sample is tested from a lot, and the lot is accepted or rejected based on the results.