Endothelial cells lining the walls of blood vessels secrete nitric oxide. This nitric oxide causes the nearby smooth muscle cells in blood vessel wall to relax. Here, nitric oxide is acting as _____ hormone."     an autocrine     an endocrine     a paracrine

Target organs most often regulate the pituitary gland via _________.

individually, growth hormone and cortisol each cause a small amount of lipid breakdown in fat cells.  When both hormones are present together they cause a very large amount of lipid breakdown.  This is an example of _____.     synergistic effects of hormones     upregulation of hormone secretion due to negative feedback     a possitive feedback loop where hormone secretion continues to increase

___________hormones need to be conjugated. Group of answer choices Lipid-soluble Water-soluble

In Florida it is particulary important to apply sunscreen when going outside, especially when expecting long exposure times. Our body will naturally respond to this UV radiation stimulus in what way? : Increase in the amount of melatonin Increase in the number of melanocytes produced Increase in the amount of DNA Increase in the activity of melanocytes

All cells that have the appropriate receptor show an identical response to a given hormone. False True

If a person were to be infused with an excess amount of dilute saline (salt and water) solution, the endocrine system will respond to this over-hydration by inhibiting which hormone? cortisol _ACTH_ ADH thyroxine O

The chemistry element _____ is needed for the thyroid to function properly.

Hormones that bind to plasma membrane receptors ______.

ent On the diagram below, drag and drop each of the hormones to the correct location based on their site of secretion and mechanism of action. Ghrelin Leptin Peptide YY CCK Saved Amylin 12