The Endocrine System

Question 1

The endocrine system is the 2nd largest system of communication in the body. It uses ________ delivered by the __________ system.

Answer 1

1. chemicals

2. circulatory

Question 2

What is the sympathetic system?

Answer 2

Fight or Flight

Increase in heart rate

Question 3

What is the parasympathetic system?

Answer 3

Opposes the sympathetic system. Decreases heart rate

Question 4

Hormone secretions can be triggered by 3 things:

Answer 4

1. Changes in blood chemistry
2. Other glands and hormones
3. Commands from the nervous system

Question 5

Effects of hormone release include 4 main properties:

Answer 5

1. Changes in membrane permeability
2. Change in protein synthesis
3. Changes in cell mitosis
4. Changes in protein activation

Question 6

There are two main classes of hormones: amines and peptides. Give example of each

Answer 6

Amines: derived from single amino acids i.e. nor-epinephrine
Peptides: Composed of 3 or more amino acids i.e. most hormones

Question 7

Steroids are ______ soluble.

Answer 7

Lipid