Podcast
Questions and Answers
What does homeostasis refer to?
What does homeostasis refer to?
- The response of cells to external changes
- The regulation of external conditions in mammals
- The fluctuation of enzyme levels in the body
- The constant maintenance of an internal environment (correct)
Why is homeostasis important for organisms?
Why is homeostasis important for organisms?
- To create optimal conditions for enzyme inactivation
- To accelerate metabolic waste production
- To ensure optimal conditions for enzyme action and cell function (correct)
- To maintain fluctuating internal conditions
Which of the following is an example of a physiological factor controlled by homeostasis in mammals?
Which of the following is an example of a physiological factor controlled by homeostasis in mammals?
- Core body temperature (correct)
- Amount of sunlight exposure
- Number of cells in the body
- Activity level during the day
What type of feedback mechanism is predominantly used in homeostatic control?
What type of feedback mechanism is predominantly used in homeostatic control?
How do sensory cells contribute to homeostasis?
How do sensory cells contribute to homeostasis?
What is the purpose of maintaining optimal conditions for enzyme action through homeostasis?
What is the purpose of maintaining optimal conditions for enzyme action through homeostasis?
What is the function of the nervous system in maintaining homeostasis in mammals?
What is the function of the nervous system in maintaining homeostasis in mammals?
What is the outcome of a negative feedback loop?
What is the outcome of a negative feedback loop?
Why is urea less toxic than ammonia in the body?
Why is urea less toxic than ammonia in the body?
How is urea produced in the body?
How is urea produced in the body?