HOMEOSTASIS (TUTORIAL)

Quiz
•
Biology
•
12th Grade
•
Medium
Hajah Norsaliza
Used 12+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What is meant by homeostasis?
Control of glucose level in blood.
Maintenance of a constant internal environment of
a body.
Maintenance of a constant internal and external environment.
Control of body temperature during fever.
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Which of the following is NOT a negative feedback
mechanism?
Body temperature control.
Uterine contraction
during birth process.
Control of blood glucose level.
Control of blood pH.
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
The diagram below shows an outline of a feedback mechanism in homeostasis. Identify A, B, Process X and Y.
A = control centre; B = receptor; process X = positive feedback; process Y = negative feedback
A = control centre; B = effectors; process X = negative feedback; process Y = positive feedback
A = receptor; B = effectors; process X = negative feedback; process Y = positive feedback
A = receptor; B = control centre; process X = positive feedback; process Y = negative feedback
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
The two body systems that regulate homeostasis
are the…
cardiovascular
and respiratory systems.
cardiovascular and urinary systems.
cardiovascular and endocrine systems.
nervous and endocrine systems.
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
If a response enhances the original stimulus, the mechanism is classified as a _________ feedback mechanism.
neutral.
polarized
negative
positive
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What happens when beta cells of the pancreas release insulin into the blood?
Blood glucose level rises to a set point and stimulates glucagon release.
Body cells take up more glucose.
The
liver breakdowns glycogen to glucose.
Alpha cells are stimulated to release glucose into the blood.
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Which tubule has a U shape?
Distal convoluted tubule.
Proximal convoluted tubule.
Loop of Henle.
Collecting duct.
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