Lecture 1 - homeostasis – PoNF Study Exam Questions With Correct Answers.
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Course
Homeostasis – PoNF
Institution
Homeostasis – PoNF
Lecture 1 - homeostasis – PoNF Study Exam
Questions With Correct Answers.
Define homeostasis - answerMaintaining a stable internal environment with similar
conditions
what is the general organisation of the body systems - answercells, tissues, organs, systems,
organisms
what are the nervous...
Lecture 1 - homeostasis – PoNF Study Exam
Questions With Correct Answers.
Define homeostasis - answer✔Maintaining a stable internal environment with similar
conditions
what is the general organisation of the body systems - answer✔cells, tissues, organs, systems,
organisms
what are the nervous, endocrine and MSK systems required for in homeostasis - answer✔to
seek, supply and access nutrients
why is the respiratory system required in homeostasis - answer✔to supply oxygen
why is the alimentary system required in homeostasis - answer✔to break down food into
useable forms and absorb across gut wall into bloodstream
why is the CVS required in homeostasis - answer✔to transport oxygen and nutrients via the
bloodstream to the cells and transport carbon dioxide and waste from cells to resp, alimentary
and renal systems for disposal
what coordinates all the systems in homeostasis? - answer✔nervous and endocrine systems
what is the basic concept of homeostasis? - answer✔output must = input
why must we maintain constant internal environment? - answer✔to ensure optimal function and
processes
What is negative feedback? in relation to homeostasis - answer✔the key mechanism by which
homeostasis is maintained
describe the negative feedback mechanism in relation to increase in body temperature -
answer✔temperature increased
shift from normal range
nervous or endocrine systems produce a response - sweating
correction of original disturbance
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