Download Title - Iowa State University

Leader: Breanna
Course: BIOL 212 (2+3)
Supplemental Instruction
Instructor: Dr. Mayfield
Iowa State University
Date: 4/12/10
1.) A ductless gland that secretes hormones directly into the interstitial fluid is what?
a. Endocrine gland
2.) Give one example of a major endocrine gland.
a.
3.) Name one example of an organ containing endocrine cells.
a. Thymus, heart, liver, stomach, etc.
4.) What is the difference between endocrine glands and organs with endocrine cells?
a.
5.) When specialized neurons typically found in the brain secrete molecules that diffuse from
nerve cell endings into the bloodstream, this process is a part of what signaling pathway?
a. neuroendocrine
6.) Give one example of a hormone used in the blood.
a. Adrenaline, corticoids, epinephrine
7.) What part of the brain has the greatest effect on the endocrine system?
a. Hypothalamus
8.) What gland does the hypothalamus regulate?
a. Pituitary gland
9.) What is the role of the hormone insulin?
a. Blood regulation; signals body cells to take up glucose and lower blood sugar
10.)
What is the role of the hormone glucagon?
a. Blood regulation; signals cells in the liver to release glucose into the blood
11.)
What does the parathyroid hormone regulate?
a. Calcium in the blood
What are hormones?
What does parathyroid hormone regulate?
What do epinephrine and norepinephrine respond to?
What are the hormonal responses to stress?
What do androgens and estrogens do?
What are anabolic steroids?
Understand how negative feedback is used to maintain proper levels of:
Blood calcium
Blood glucose
Water secretion by the kidney (Chapter 44)
How does the ratio of ecdysone and juvenile hormone regulate molting in insects?
Endocrine System
Supplemental Instruction
1060 Hixson-Lied Student Success Center  294-6624  www.si.iastate.edu