Have an account?
Skip to Content
Build your own quiz
Suggestions for you
15 questions
Show Answers
See Preview
- 1. Multiple Choice
Your thermoregulator informs the control center that your internal body temperature has dropped. The immediate, involuntary response is ____?
Shivering
Sweating
Vasodilation
Infraction
- 2. Multiple ChoiceHomeostasisallows for a wildly fluctuating internal environmentis impossible in vertebratesis the maintenance of a relatively stable internal environment and often incorporates a form of feedback regulationis the maintenance of a relatively stable external environment and often incorporates a form of feedback regulation
- 3. Multiple ChoicePositive feedback is when the change caused by the stimulus isdecreasednon existantincreasedchanges constantly
- 4. Multiple ChoiceWhen you get cut, your skin cells release hormones that signal platelets to come and stop the bleeding. Platelets then release more hormones that signal even more platelets to help stop bleeding. The hormone signals continue until the cut is closed.Positive Feedback ResponseNegative Feedback Loop
- 5. Multiple ChoiceWhen you are cold, you shiver and your blood vessels contract, which warms you up. When you are hot, you sweat and your blood vessels expand, which cools you down.Positive Feedback ResponseNegative Feedback Loop
- 6. Multiple ChoiceMaintaining body temperature is an example of a:negative feedback looppositive feedback loop
- 7. Multiple ChoiceIf the calcium in your blood decreases below homeostasis levels, a gland in the brain will sense the decrease and send a chemical message to your bones. Your bones will release calcium into the blood, bringing blood calcium levels back up.Positive Feedback ResponseNegative Feedback Loop
- 8. Multiple ChoiceWhen glucose levels in the blood rise, your brain sends a signal to your pancreas. The pancreas releases insulin, which opens channels in cell membranes to allow glucose to enter the cell, lowering blood sugar levels.Positive Feedback ResponseNegative Feedback Loop
- 9. Multiple ChoiceWhich system sends electrical messages that helps control the body's responses to internal and external changes?nervousendocrinereproductiveintegumentary
- 10. Multiple ChoiceThese two body systems regulate feedback mechanisms.Skeletal & MuscularSkeletal & EndocrineMuscular & NervousEndocrine & Nervous
- 11. Multiple Choice
Which level of organization in the body is shown in the image?
Organ
Organ System
Cells
Tissues
- 12. Multiple Choice
Which type of feedback is more common in the body?
Positive
Negative
- 13. Multiple Choice
Which component of homeostasis does this image represent?
Receptor
Control Center
Effector
- 14. Multiple Choice
Which component of homeostasis does this image represent?
Receptor
Control Center
Effector
- 15. Multiple Choice
Which component of homeostasis does this image represent?
Receptor
Control Center
Effector
- Answer choicesTagsAnswer choicesTags