Chapter 17 - 06-15-16

Question 1

9 answers

What does the endocrine system regulate?

Answer 1

1. metabolic processes
2. homeostasis
3. blood volume
4. cellular concentration
5. platelet #
6. development and function of reproductive
7. expression of sexual behaviors
8. development, growth, and metabolism
   
   1. embryonic cell division and differentiation
   2. catabolism & anabolism of proteins, carbs, & lipids
9. digestion
   
   1. secretion & movement

Question 2

endocrine…

What is the endocrine system composed of?

Answer 2

endocrine glands that secrete hormones

Question 3

Describe the target cells.

Answer 3

cells with specific receptor to bind specific hormones that initiate or stimulate activiy

Question 4

Where is the pineal gland located?

Answer 4

The posterior of the epithalamus

Question 5

Which gland secretes melatonin?

Answer 5

Pineal gland

Question 6

What do pinealocytes secrete?

Answer 6

melatonin

Question 7

What are the effects of melatonin?

Answer 7

high levels at night - can cause drowsiness

Question 8

What can melatonin affect the synthesis of?

Answer 8

hypothalamic hormone

Question 9

What regulation is the pineal gland involved in?

Answer 9

Reproduction regulation

Question 10

Where is the parathyroid gland located?

Answer 10

posterior thyroid gland

Question 11

Which gland has 4 nodules?

Answer 11

parathyroid gland

Question 12

Which gland has chief & oxphil cells?

Answer 12

parathyroid gland

Question 13

What do chief cells do?

Answer 13

release parathyroid hormone in response to decreased levels of blood Ca+

Question 14

What is the function of chief cells?

Answer 14

maintain blood Ca+ levels

Question 15

What is the function of oxphil cells?

Answer 15

unknown

Question 16

Where are the major endocrine cells located?

Answer 16

tissue clusters in specific organs

Question 17

What are endocrine reflexes?

Answer 17

secretion of hormone controlled through reflex

Question 18

What is a endocrine reflex?

Answer 18

pre-programmed response to stimuli

Question 19

What are the 3 endocrine reflexes?

Answer 19

hormonal, humoral, and nervous

Question 20

​Explain a hormonal reflex

Answer 20

When a gland is stimulated due to the release of another hormone

Question 21

Explain a humoral reflex

Answer 21

response due to changes in nutrients and ions

Question 22

Explain a nervous reflex

Answer 22

when the nervous system stimulates the release of hormones