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Question: question 1 the concentration of hormones in the bloodstream is...

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Question 1.

The concentration of hormones in the bloodstream is regulated by:

Nutritional signals to the endocrine glands

Positive and negative feedback loops.

Nerve impulses

The production of receptor antagonists

Question 2

Which of the following is not a function of the endocrine system:

Contribute to homeostasis

Release chemicals into the blood for distribution throughout the body

Affect the metabolism of many target tissues and organs

Produce rapid responses to environmental changes

Question 3

Which is true about steroid hormones?

Affect all cells in the body

Are derived from cholesterol

Are made in the pancreas

Are made in the pituitary

Question 4

Which hormone is controlled by positive feedback?

thyroid hormone

testosterone

oxytocin

cortisol

Question 5

Which of the following accurately describes the function of the hypothalamus?

It directly regulates all endocrine secretions

It is responsible for only stimulating the pituitary gland

It is regulated by the pituitary gland

It is a link between the nervous system and the endocrine system

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