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Chapter 17 Endocrine System
Name: _______________ Class ____
Introduction to the Endocrine System
1. What is a target cell?
2. Describe 5 differences between the nervous and the endocrine system.
3. What are four major functions of the endocrine system?
4.
Endocrine Glands
5. Name the endocrine gland that releases each hormone.
Insulin
Testosterone
Adrenocorticotropic hormone (ACTH)
Calcitonin
oxytocin
lutenizing hormone (LH)
melatonin
progesterone
Glucagon
Parathyroid hormone (PTH)
Glucocorticoid
T3
Antidiuretic hormone (ADH)
growth hormone (GH)
norepinephrine (NE)
aldosterone
melatonin
inhibin
6. Name the hormone AND the gland that produces the hormone associated with each of the following
actions.
Action
Hormone
Gland
Decreases urine output and increases fluid
intake
Reduces blood sugar
Supports pregnancy and the development of
the endometrial lining
Stimulates maturation and function of male
reproductive system
Induces ovulation
Increases blood sugar
Regulates circadian rhythms
Controls development of oocytes and sperm
Increases metabolic rate of cells
Participates in stress response and increases
nutrients available in blood
Contraction of uterus, ejection of milk, and
emotional bonding
Stimulates thyroid to release thyroid
hormones
Increases blood calcium levels
Decreases blood calcium levels
7. Identify three ways by which endocrine glands are stimulated to release hormones.
Hormones
8. How do steroid hormones differ structurally form amine and protein hormones, and how does that
difference affect the mechanism of transport into the target cells?
Target Cells: Degree of Cellular Response
9.
Why must people who take steroid medicine (for asthma, arthritis, or allergies) wean themselves off the
medicine when they are better instead of stopping abruptly?
Pancreatic Hormones
10. Draw the negative feedback cycles for the regulation of blood sugar.
11. Draw a Venn diagram comparing and contrasting Type 1 diabetes, Type 2 diabetes, gestational diabetes.
12. Draw the negative feedback cycles for the regulation of blood calcium levels (see table R2 page 696)