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WorksheetsHomeostasis
Total questions: 12
Worksheet time: 6mins
Homeostasis:
allows for a wildly fluctuating internal environment
is impossible in human's body
is the maintenance of a relatively stable internal environment
is the maintenance of a relatively stable external environment
Homeostasis in the human body is often maintained by the:
brain only
positive feedback loop
muscles
negative feedback loop
With low oxygen levels, your breathing rate will increase. When your oxygen levels rise, what is the appropriate response?
Stop breathing
Increase heart rate
Keep breathing rate high
Return breathing rate to baseline
When your glucose level is too high, what is the appropriate response?
Urinate
Release glucagon
Eat sugar
Release insulin
The cardiovascular system is responsible for which of the following?
Maintaining proper blood volume, ion and salt concentrations in the body
Playing an important role in the immune system and fighting off invading microbes, infections and toxins
Transporting homeostasis-regulating hormones, nutrients and oxygen
Secreting hormones into the blood stream
Which of the following is NOT a stimulus?
Light
Temperature
Pain
Time
Which component of the homeostatic system detects change?
Effector
Control Center
Stimulus
Receptor
Which of the following is an example of an effector?
Pancreas detecting an increase in blood glucose
Drop in blood oxygen
Salivary glands increasing their release of saliva
Regulating blood pressure when you go from laying down to standing
Select all the correct statements about positive feedback.
Amplifies or magnifies the output
Works on the same direction of the stimulus
Reduces the intensity of the stimulus
Most processes in the body are controlled by positive feedback
What is the physiology?
It is the study of normal function within living organisms
The study of the structure of body systems
The abnormal function of body organs
The study of the disturbance of normal body structures
Anatomy is the study of the_____________ of an organism.
functions
efficiency
structure
temperature
The plasma is a/an:
extracellular fluid
intracellular fluid
tissue fluid
metabolic water
