Endocrine

Question 1

difference between CNS and endocrine system

Answer 1

CNS:
- brain and spinal cord
- through impulses
- immediate control

Endocrine system
- glands secrete hormones in bloodstream
- through hormones
- long-term regulation

Question 2

What are the functions of hormones (endocrine system)?

Answer 2

• Growth & development
• metabolism regulation
• reproduction
  maintenance of electrolytes and water

Question 3

Difference between endocrine and exocrine glands?

Answer 3

Endocrine glands:
- produce hormones
- no ducts, secrete hormones directly into bloodstream

Exocrine glands:
- non hormonal substances (sweat, tears…)
- have ducts, secretes to surface through duct

Question 4

What does it mean for a gland to be exclusively an endocrine gland?

Answer 4

It’s entirely dedicated to the hormone production and secretion

Question 5

List the 5 exclusively endocrine glands in the body

Answer 5

Pituitary, Pineal, Thyroid, Adrenal, and parathyroid

Question 6

Why does the chemical structure of a hormone matter?

Answer 6

Chemical structure of hormone determines its solubility in water, which in turn affects how that hormone is transported in the blood

Question 7

Another name for Pituitary gland?

Answer 7

Hypophysis Cerebri

Question 8

What is the anterior pituitary called?

Answer 8

Adenohypophysis

Question 9

What is the posterior pituitary called?

Answer 9

Neurohypophysis

Question 10

What are some of the hormones does the Anterior pituitary secrete? and what are their purposes

Answer 10

GH, PRL (Prolactin), TSH, ACTH, FSH, LH
GH: growth hormone (mostly bone and cartilage)
Prolactin: Lactation
TSH: stimulate thyroid glands to produce thyroid
ACTH: stimulate adrenal glands to produce their hormones
FSH & LH: sexual development and reproduction

Question 11

What does a tropic hormone do? examples?

Answer 11

Tropic hormones’s sole function is to boss around other glands to properly produce their hormones (TSH, ACTH, FSH, LH)

Question 12

What pituitary hormone is responsible for:
a) stimulate milk production in the mammary gland
b) promote egg development in ovaries and sperm development in the testis
c) release of thyroid hormones from thyroid gland
d) promote the ovarian secretion of progesterone and testicular secretion of testosterone
e) stimulate melanocytes to produce melanin

Answer 12

a) prolactin
b) FSH
c) TSH
d) LH and FSH
e) MSH

Question 13

What is TRH?

Answer 13

Thyrotropin-releasing hormone
- regulates thyroid gland’s activity