Endocrine System

Question 1

Chemical messenger of the endocrine system that is secreted into the blood, travels distant target tissue, and binds to specific receptors

Answer 1

Hormone

Question 2

Two chemical categories of hormone

Answer 2

Lipid soluble

Water soluble

Question 3

Example of lipid soluble

Answer 3

Steroids
Thyroid hormones
Fatty acid derivative

Question 4

Examples of water soluble

Answer 4

Proteins
Peptides
Amino acid derivatives

Question 5

Three types of stimuli result in hormone secretion

Answer 5

Humoral
Neural
Hormonal

Question 6

____ stimulation is stimulated by hormones that are sensitive to circulating blood levels of certain molecules such as glucose calcium or sodium

Answer 6

Humoral stimuli

Question 7

Stimuli cause hormone secretion in direct response to action potential in neurons

Answer 7

Neural

Question 8

___ stimulation of other hormone secretion is common in Endo.System.

Answer 8

Hormonal

Question 9

Two processes regulate the over all blood levels of hormones

Answer 9

Negative and positive feedback

Question 10

A hormone that binds to nuclear receptors located inside the nucleus of the target cell

Answer 10

Lipid soluble hormones

Question 11

Hormones that by to membranes-bound receptors, which are integral membrane proteins

Answer 11

Water-soluble hormones

Question 12

Is connected to the hypothalamus of the brain INFUNDIBULUM

Answer 12

Pituitary gland

Question 13

Hormones in anterior pituitary

Answer 13

growth hormone
thyroid stimulating hormone
melanocyte stimulating hormone

Question 14

Examples of posterior Pituitary

Answer 14

Antidiuretic hormone and oxytocin

Question 15

Gland that secretes thyroid hormones

Answer 15

Thyroid gland

Question 16

Control the metabolic rate of tissues

Answer 16

Thyroid hormones

Question 17

Helps regulate blood calcium levels that is secretes by the thyroid gland

Answer 17

Calcitonin

Question 18

Secretes parathyroid hormone

Answer 18

Parathyroid gland

Question 19

Hormone that helps regulate blood calcium levels that can be found in parathyroid gland

Answer 19

Parathyroid hormone

Question 20

Secrets primarily epinephrine and some norephinephrine

Answer 20

Adrenal medulla

Question 21

Three classes of hormones that adrenal cortex secretes

Answer 21

Glucocorticoids
mineralocorticoids
adrenal androgens

Question 22

Secretes insulin in response to elevate levels of blood glucose and amino acid

Answer 22

Pancreas

Question 23

Increases the rate at which many tissues including adipose tissue, the liver and skeletal muscle pick up Glucose and amino acids

Answer 23

Insulin

Question 24

Secrets glucagon in response to reduce blood glucose and increase the rate at which the liver releases glucose into blood

Answer 24

Pancreas

Question 25

Secret somatostatin in response to food intake

Answer 25

Pancreas

Question 26

Inhibits insulin and glucagon secretion and gastric tract activity

Answer 26

somatostatin

Question 27

Secretes testosterone

Answer 27

Testes

Question 28

Secretes estrogen and progesterone

Answer 28

Ovaries

Question 29

Secretes thymosin, which enhances the function of immune system

Answer 29

Thymus

Question 30

Secretes melatonin which may help regulate the onset of puberty by acting on the hypothalamus

Answer 30

Pineal gland

Question 31

4 classes of chemical messenger

Answer 31

Autocrine Paracrine Neurotransmitter Endocrine

Question 32

Stimulates the cell that originally secreted it and sometimes nearby cells of the same type

Answer 32

Autocrine chemical messengers

Question 33

Produced by wide variety of tissues and secreted into extracellular fluid

Answer 33

Paracrine chemical messengers

Question 34

Produced by neurons, activates adjacent cell

Answer 34

Neurotransmitters

Question 35

Secreted into the vlood by specialized cells

Answer 35

Endocrine chemical messengers

Question 36

Functions of the endocrine

Answer 36

``` Metabolism Control of food intake and digestion Tissue development Ion regulation Water balance Heart rate and bp regulation Control of blood glucose and other nutrients Control of reproductive functions Uterine contractions and milk release Immune system regulation ```

Question 37

Hormones small in size and low solubility in aqueous fluids Travel in the bloodstream attached to binding proteins

Answer 37

Lipid soluble hormones

Question 38

Are dissolved in blood and circulate as free hormones. Do not attach to binding proteins. Diffuse into tissue spaces slower

Answer 38

Water-soluble hormones

Question 39

Neurons that secrete chemical messengers directly into the blood

Answer 39

Neuropeptides