Which one of the following is true regarding neurohormones?
A. they are primarily considered to be a form of local communication
B. alpha-MSH would be an example of a neurohormone, used in the satiety pathway
C. they are used as a form of rapid communication between two neurons
D. at least one neurohormone is important in the control of body fluid regulation
Option D is the correct answer. Neurohormones are the chemical messanger produced by the neurons and released into blood circulation which travels to the distantly located target cells. Thus option A and C are not the correct answer. Option C is also not correct because because alpha melanocytes stimulating hormones are released by pituitary gland and thus it is not a neurohormone rather it is simply hormone.
Option D is correct because vasopressin is an example of neurohormone which play a major role in body fluid regulation by inhibiting urination. It is also known as anti-diuretic hormone.
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