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Homeostasis
Test Description: Keystone Prep, Module 1, Anchor 4
Instructions: Answer all questions to get your test result.
1) aids in homeostasis by providing the main transport mechanism for proteins withing the cell
A
nucleus
B
endoplasmic reticulum
C
golgi apparatus
D
cell membrane
2) The secretion of hormones is an example of a homeostatic feedback loop. The basic function of a feedback loop is to
A
destroy substances
B
create substances
C
end a process
D
regulate a process
3) how does homeostasis aid in survival of an organism
A
regulates body temperature
B
induces hibernation
C
promotes growth
D
helps locate food
4) helps maintain cellular homeostasis by modifying, sorting, and packaging proteins to transport
A
golgi apparatus
B
cell membrane
C
endoplasmic reticulum
D
nucleus
5) Cells can function
A
only in a narrow range of temperatures and pHs
B
at any temperature and pH
C
in a wide range of temperatures and pHs
D
in rapidly changing temperatures and pHs
6) All cells have a protective barrier that is formed of proteins and a lipid bilayer called the
A
cytoplasm
B
cell membrane
C
nuclear envelope
D
cell wall
7) The human respiratory system helps maintain homeostasis by
A
regulating hormone levels
B
transporting oxygen to other organ systems
C
removing solid wastes
D
regulating oxgen levels
8) Homeostasis is classified under which of the following?
A
cell respiration
B
cell regulation
C
transcription
D
photosynthesis
9) Homeostasis maintains a relatively constant internal environment. This constant state can be challenged by
A
low blood sugar levels
B
extreme temperature
C
all of these
D
elevated blood pH
10) Which is NOT a homeostatic mechanism?
A
hormonal regulation
B
water regulation
C
oxygen regulation
D
thermoregulation
*select an answer for all questions
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