ANATOMY

GENERAL ANATOMY

INTRODUCTION TO GENERAL ANATOMY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following is an example of positive feedback to indirectly maintain homeostasis?
A
the chemical reactions involved in blood clotting
B
your blood vessels dilate and you begin to sweat in response to elevated body temperature
C
your blood vessels constrict and you begin to shiver in response to low body temperature
D
your coach compliments you on your performance in practice
Explanation: 

Detailed explanation-1: -Which of the following is an example of positive feedback to indirectly maintain homeostasis? Q. When 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.

Detailed explanation-2: -If we look at a system in homeostasis, a positive feedback loop moves a system further away from the target of equilibrium. It does this by amplifying the effects of a product or event and occurs when something needs to happen quickly.

Detailed explanation-3: -Blood Clotting When a wound causes bleeding, the body responds with a positive feedback loop to clot the blood and stop blood loss.

Detailed explanation-4: -Thus, the correct answer is ‘Seasonal growth. ‘

Detailed explanation-5: -However, there are a number of examples of positive feedback, the above example being one. Blood clotting is another example of positive feedback.

There is 1 question to complete.