Chapter 20: Endocrine System

Question 1

Describe the Endocrine gland

Answer 1

Ductless and in the bloodstream

Question 2

Endocrine gland contains ____________

Answer 2

Hormones
•Target cells/ Target organs
• Receptors specific to hormone

Question 3

What is feedback in the body?

Answer 3

Self-adjusting regulatory mechanism

Question 4

What are the two type of feedback?

Answer 4

1. Negative feedback
2. Positive feedback- promotes released, escalating (nursing)

Question 5

Adrenal glands contains _____________ which is near the cortex, contains Electrolyte type/amount, lipid metabolism, and minor sex hormone

Answer 5

Corticosteroids

Question 6

Adrenal glands also contains ____________ which contains medulla and is responsible for our fight-or-flight response

Answer 6

Epinephrine/ Norepinephrine

Question 7

The pancreas contains ____________ which has insulin and Glucagon

Answer 7

Pancreatic islets

Question 8

The Gonads in the pancreas area contains what?

Answer 8

• Estrogen
• Progesterone
• Testosterone

Question 9

Describe the Pituitary Gland?

Answer 9

• Inferior to brain
• Part nervous/glandular

Question 10

The Posterior Pituitary Gland has what?

Answer 10

• Has Nervous tissue
• Has Hormones (The ADH, which increases water retention, and Vasoconstriction)
• Contains Oxytocin (Smooth muscle
  contractions (intercourse,
  labor) (• Lactation (females))

Question 11

Anterior Pituitary Gland contains what type of tissues?

Answer 11

Glandular tissue

Question 12

What are some different types of Hormones the Anterior Pituitary Gland has?

Answer 12

• Luteinizing Hormone
• Follicle Stimulating Hormone
• Thyroid Stimulating Hormone

Question 13

What is another function of the Anterior Pituitary Gland?

Answer 13

Regulate other endocrine glands
- LH and FSH regulate gonads

Question 14

Describe the Pineal gland

Answer 14

• Near the Brain
• Contains Melatonin
• Involved in Circadian rhythm
  (24-hour body clock)
• Involved in Sexual maturation

Question 15

The Thymus is involved in what?

Answer 15

Involved in maturation of T-lymphocytes (immunity)

Question 16

Describe the Thyroid

Answer 16

Butterfly shape
- Lobed

Question 17

The thyroid contains what type of hormone? And what does it do?

Answer 17

Thyroid hormone

• Increases metabolism
• Oxygen use
• Growth
• Energy use
• Promotes development

Question 18

Describe the Parathyroid

Answer 18

• Posterior Thyroid
• Has Four small nodules

Question 19

What type of hormone does the Parathyroid have? And what does it do?

Answer 19

Parathyroid hormone promotes
- calcium release from bone
- calcium uptake from food
- calcium recovery from filtrate in kidneys