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