
Homeostasis and Feedback
Interactive Video
•
Science
•
9th - 12th Grade
•
Practice Problem
•
Medium
Rachel Ford
Used 4+ times
FREE Resource
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary goal of homeostasis in the human body?
To maintain a constant external body temperature.
To ensure all body systems work independently.
To maintain a stable internal environment.
To increase metabolic rate for energy production.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the key difference between an ectotherm and an endotherm?
Ectotherms can only survive in cold environments, while endotherms can survive in hot environments.
Ectotherms regulate their body temperature internally, while endotherms rely on external sources.
Endotherms maintain a stable internal body temperature, while ectotherms' body temperature fluctuates with the environment.
Endotherms are typically smaller than ectotherms.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following best describes a negative feedback loop?
A response that amplifies the initial stimulus.
A response that counteracts a change to maintain a set point.
A process that leads to a continuous increase in a variable.
A system where the output has no effect on the input.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is an example of a positive feedback loop in the human body?
Regulation of blood glucose levels.
Maintaining a stable internal body temperature.
Childbirth contractions.
Maintaining blood pH within a narrow range.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What do diabetics sometimes need to take if their blood sugar is too high?
insulin
glucagon
juice
aspirin
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