6.1 Hormones & Negative Feedback
Anatomy & Physiology Unit 6 Endocrine System 6. 1 - I CAN explain how the endocrine system regulates hormones through negative feedback.
- 1.The main purpose of the endocrine system is to:
- A.
Help fight diseases
- B.
Regulate body function through hormones
- C.
Control blood pressure levels
- D.
Sense and respond to stimuli
- 2.When a hormone's levels are too high, negative feedback causes:
- A.
The glands to stop producing the hormone
- B.
The glands to produce more of the hormone
- C.
The endocrine system to create more glands to produce the hormone
- D.
The entire endocrine system to shut down
- 3.
A person's adrenaline levels are too high and he feels stressed out. What will help calm him down?- A.
Negative feedback will cause his glands to stop producing adrenaline.
- B.
Negative feedback will cause his body to break down the glands that produce adrenaline.
- C.
The endocrine system will send a message through his nerves to his brain to tell him to calm down.
- D.
All other answers are correct
- 4.Glands are best defined as:
- A.
Hormones that travel through the bloodstream
- B.
Organs that produce hormones
- C.
Cells that receive hormones
- D.
Messages that travel through nerves
- 5.Hormones are best defined as:
- A.
Chemical messages that regulate body function
- B.
Cells that release chemical messages
- C.
Structures on the surface of target cells that receive messages
- D.
Blood vessels that contain chemical messages
- 6.Negative feedback occurs when:
- A.
Hormone levels are too high, so glands stop producing hormones
- B.
Hormone levels are too low, so glands produce more hormones
- C.
BOTH other answers are correct
- 7.
A person's blood sugar is too high because they don't have enough of the hormone INSULIN. What will the endocrine system do in response?
- A.
Negative feedback will cause the glands to produce MORE insulin
- B.
Negative feedback will cause the glands to STOP producing insulin
- C.
Positive feedback will cause the glands to produce MORE insulin
- D.
The nerves will send a message to the target cells.
- 8.The endocrine system works when _______________ secrete ______________ into the bloodstream.
- A.
Hormones; glands
- B.
Glands; hormones
- C.
Glands; receptors
- D.
Hormones; receptors
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