10 Questions
What is the main function of the endocrine system?
To maintain homeostasis through slow-acting hormones
What is the main difference between amines and steroids?
Steroids have longer half-lives, while amines do not
Which type of hormone may cause multiple different reactions if it has receptors on multiple organs and glands?
Protein hormones
What is the role of the paracrine system in cell communication?
To secrete chemicals to affect other nearby cells
How do lipid soluble hormones travel through the cardiovascular system?
They require help from proteins since they are hydrophobic
What is the function of a second messenger in the hormone signaling process?
Carrying the message from amino acid hormones into the cell
What is the role of phosphodiesterase (PDE) in the hormone signaling process?
Turning off cAMP to stop the cell's reaction
What happens when downregulation occurs in response to hormone stimulation?
The cells become less sensitive to the hormone
How do the hypothalamus and pituitary gland function in the endocrine system?
They store and secrete hormones produced in other glands
What is the function of diacylglycerol (DAG) in the hormone signaling process?
Activating protein kinases to start phosphorylation
Test your knowledge about the function of the endocrine system in maintaining homeostasis and communication through hormone signals. Understand the role of hormones, their travel through the bloodstream, and their impact on the body.
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