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Homeostasis Review
Test Description: Review of vocab, concepts and processes.
Instructions: Answer all questions to get your test result.
1) Aids in homeostasis by providing the main transport mechanism for proteins within the cell
A
nucleus
B
cell membrane
C
endoplasmic reticulum
D
golgi apparatus
2) The secretion of hormones is an example of a homeostatic feedback loop. The basic function of a feedback loop is to
A
regulate a process
B
end a process
C
destroy substances
D
create substances
3) How does homeostasis aid in survival of an organism?
A
regulates body temperature
B
promotes growth
C
induces hibernation
D
helps locate food
4) Helps maintain cellular homeostasis by modifying, sorting, and packaging proteins to transport
A
ER
B
Golgi apparatus
C
Nucleus
D
cell membrane
5) All cells have a protective barrier that is formed of proteins and a lipid bilayer called the
A
cytoplasm
B
nuclear envelope
C
cell membrane
D
cell wall
6) The human respiratory system helps maintain homeostasis by
A
removing solid wastes
B
regulating hormone levels
C
regulating oxygen levels
D
transporting oxygen to other organ systems
7) Homeostasis is classified under which of the following?
A
transcription
B
photosynthesis
C
cell respiration
D
cell regulation
8) Homeostasis maintains a relatively constant internal environment. This constant state can be challenged by
A
all of these
B
low blood sugar levels
C
extreme temperature
D
elevated blood pH
9) Which is NOT a homeostatic mechanism?
A
hormoregulation
B
thermoregulation
C
osmoregulation
D
oxygen regulation
10) Helps the body get back into balance
A
positive feedback
B
neutral feedback
C
childbirth
D
negative feedback
11) System that has glands and produces hormones
A
digestive
B
nervous
C
endocrine
D
respiratory
12) Positive feedback loop that results in going back to homeostasis
A
injury
B
panic attack
C
hemorrhaging
D
childbirth
13) Negative feedback loop that regulates the body's temperature
A
chemoregulation
B
osmoregulation
C
thermoregulation
D
hormoregulation
14) Negative feedback loop that regulates the body's gases
A
osmoregulation
B
thermoregulation
C
chemoregulation
D
hormoregulation
15) Negative feedback loop that regulates the body's water and ion levels
A
hormoregulation
B
chemoregulation
C
osmoregulation
D
thermoregulation
16) Body part that sense a change in homeostasis
A
receiver
B
control center
C
effector
D
receptor
17) Body part, system or organ that responds to the brain and makes the change happen
A
control center
B
effector
C
receptor
D
hormone
18) Chemical involved with blood sugar
A
carbon dioxide
B
sucrose
C
oxygen
D
glucose
19) inhalation brings in
A
ions
B
carbon dioxide
C
glucose
D
oxygen
20) Body's reaction to being hot
A
eating
B
sweat
C
shiver
D
death
*select an answer for all questions
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