Chapter 25: The Endocrine System Practice Exam With Correct Answers.
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Course
HORMONES
Institution
HORMONES
What two main communication systems allow animal cells to send messages, coordinate the actions of the organ systems, and respond to the environment? - correct answer nervous and endocrine
What is composed of cells that produce hormones and secrete them into ...
What two main communication systems allow animal cells to send messages, coordinate the actions of
the organ systems, and respond to the environment? - correct answer nervous and
endocrine
What is composed of cells that produce hormones and secrete them into the bloodstream? - correct
answer Endocrine gland
A chemical that is secreted by an endocrine gland and that travels in the bloodstream to target cells is
called a(n) - correct answer hormone.
Although they travel in the bloodstream, hormones do not act on every cell because - correct answer
only specific target cells respond to the hormone.
Select all of the places where hormone receptors can be found in a target cell. - correct answer
-nucleus
-cytoplasm
-plasma membrane
The nervous system and the endocrine system are the two main ______ systems in animals. - correct
answer communication
Where are peptide hormone receptors found? - correct answer On the surface of
target cells
An endocrine gland produces _________and secretes them into the bloodstream. - correct answer
hormones
What are second messengers? - correct answer Molecules that activate enzymes to
produce a hormone's effects
, Select all the characteristics of a hormone. - correct answer -It travels the
bloodstream
-It alters the metabolism of cells
In endocrine signaling, hormones bind to - correct answer a limited set of target
cells.
Match the locations of hormone receptors with the type of hormone that each receptor is binding. -
correct answer Water-soluble hormones-Cell surface
Lipid-soluble hormones-Cytoplasm or nucleus
Receptors for_________-soluble hormones are found on the surface of target cells. - correct answer
water
What type of hormones use second messengers in a cascade of reactions that trigger a cell response? -
correct answer peptide
Steroid hormones are synthesized from - correct answer cholesterol.
Select all of the following that are lipid-soluble hormones. - correct answer -thyroid
hormones
-testosterone
-estrogen
Select all of the following that are endocrine glands in vertebrates. - correct answer
-pituitary gland
-thyroid gland
-parathyroid glands
-hypothalamus
-adrenal glands
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