Endocrine System Flashcards Preview

620: Clinical Human Anatomy > Endocrine System > Flashcards

Flashcards in Endocrine System Deck (17)
Loading flashcards...
1
Q

What is a hormone?

A

A peptide or steroid produced by one tissue and conveyed by the bloodstream to another to effect physiological activity, such as growth or metabolism

2
Q

Where is the pineal gland found?

A

In the posterior part of the epithalamus

3
Q

What hormone does the pineal gland release?

A

melatonin

4
Q

What does melatonin regulate?

A

The circadian rhythm (sleep cycle)

5
Q

Prescription form of melatonin (sleeping pills) inhibits what?

A

gonadal function

6
Q

What hormone do the ovaries release?

A

estrogen

7
Q

What hormone do the testes release?

A

testosterone

8
Q

What are the 2 hormones released by the thyroid?

A

triiodothyronine (T3) and thyroxine (T4)

9
Q

Which thyroid hormone is converted to the other type of thyroid hormone?

A

T4 is converted to the active T3

10
Q

Which thyroid hormone is the iodine component?

A

T3

11
Q

What develops with low iodine levels?

A

goiter

12
Q

What does T4 control?

A

the metabolic rate of all tissues

13
Q

What hormone does the parathyroid hormone release?

A

parathyroid hormone

14
Q

What is the function of the parathyroid hormone?

A

Maintains calcium, phosphorus, and vitamin D levels

15
Q

Where are the adrenal glands located?

A

on top of the kidneys

16
Q

What 4 hormones do the adrenal glands release?

A
  • pinephrine
  • norepinephrine
  • cortisol
  • hydrocortisol

**all of which are SNS hormones

17
Q

Which gland is the “master” gland?

A

the pituitary gland