While examining a client, the practitioner notices large, flat, cutaneous pigmentations. they are a uniform light brown with sharply demarcated edges. he uses a wood lamp to better detect the lighter spots. the practitioner knows that the pigmentations may be a component of which disorder?

Von Recklinghausen disease( neurofibromatosis 1)

Explanation:

It is a complex multi system human disorder which is caused due to mutation of gene on chromosome number 17.

it has many common symptoms such as brown-red colored spots in the colored region of eye. The population suffering from this geneticdisorder have higher rate of cancer as compared to that of the population in general.

Another symptom of neurofibromatosis is fat and large cutaneous pigmentation on the skin.

since you have not provided the options here i   am going to give you general overview about hormone.hormone are actually the part of endocrine system in our body and produced by the endocrine glands. the hormones act like a chemical messenger   within human body. once produce by the glands they   travel through the blood stream and reach at specific or target tissue and organs   which result in control of our body function. the hormones are specific in their work and work on only the targeted tissue or organ   . with the of hormone endocrine system regulate the heart rate , metabolism, our mood and   growth as well as the development and even the sleeping cycle etc. they actually are the messenger for body cell and organs .