Chapter 11: Hormonal Homeostatic control pathways

Question 1

What is a hormone?

Answer 1

A chemical produced to prompt a specific response from the body.

Question 2

What is the pituitary gland?

Answer 2

Known as the master gland, it produces hormones which affect hormone production

Question 3

What are the two types of hormones?

Answer 3

Water-soluble hormones (hydrophilic hormones made from amino acids) and fat-soluble hormones (hydrophobic hormones made from cholesterol)

Question 4

Are hormones target specific?

Answer 4

Yes, they need a receptor to bind too

Question 5

How do you tell how receptive a cell is to a hormone?

Answer 5

The amount of receptors, the more receptors the more sensitive and less receptors less sensitive

Question 6

What is upreuglation?

Answer 6

A cell is prompted to produce more of a cellular component

Question 7

What id downregualtion?

Answer 7

A cell is prompted to produce less of a cellular component

Question 8

Where to hydrophobic hormones bind?

Answer 8

They pass through cells membranes and bind to intracellular receptors

Question 9

Can hormones have multiple effects on the body?

Answer 9

Yes

Question 10

Where do hydrophilic hormones bind?

Answer 10

Receptors in the cell’s membrane.

Question 11

What are the three extracellular receptors hydrophilic hormones bind to?

Answer 11

ion channels, G protein-coupled and tyrosine kinase receptors