Ch 45

Question 1

Hormone

Answer 1

Secreted by a gland, travels through blood to affect cells at distant sites

Question 2

Main functions of the endocrine system

Answer 2

Maintain homeostasis
Mediates responses to stimuli
Regulates growth and development

Question 3

Endocrine signaling

Answer 3

A

Question 4

Paracrine signaling

Answer 4

A

Question 5

Autocrine signaling

Answer 5

A

Question 6

Synaptic signaling

Answer 6

A

Question 7

Neuroendocrine signaling

Answer 7

A

Question 8

Classes of hormones

Answer 8

Polypeptides
Steroids
Amines

Question 9

Water soluble hormones

Answer 9

Bind to cell surface receptors

Enzyme activation
Changes in gene expression

Question 10

Lipid soluble hormones

Answer 10

Bind to cytoplasm or nucleus

Question 11

Endocrine pathways are

Answer 11

Negative feedback pathways

Question 12

Neuroendocrine pathways are

Answer 12

Positive feedback pathways

Question 13

Hypothalamus

Answer 13

Coordinates endocrine signaling

Input from body, initiates signals to glands

Question 14

Posterior pituitary

Answer 14

Stores and secretes hormones made in hypothalamus

Question 15

Anterior pituitary

Answer 15

Makes and releases hormones regulated by hypothalamus

Question 16

Anterior pituitary is controlled by

Answer 16

Releasing hormones

Question 17

Thyroid hormones regulate

Answer 17

Metabolism and how cells use energy