8.1 Kahoot - exam

Question 1

homeostasis is the ability of the body to maintain a ____ ______ _____.

Answer 1

stable internal environment

Question 2

what are the 3 components of the feedback system

Answer 2

receptor, control center, effector

Question 3

what is the purpose of a sensor/receptor in a feedback mechanism

Answer 3

to detect change in the internal environment

Question 4

what is the purpose of a control center in a feedback mechanism?

Answer 4

to initiate a response to a stimulus

Question 5

what is the purpose of an effector in a feedback mechanism

Answer 5

to produce a response to a stimulus

Question 6

what are the consequences of homeostatic imbalance in the body

Answer 6

disease and illness

Question 7

examples of homeostasis in human body?

Answer 7

• regulation of blood pressure
• regulation of body temperature
• regulation of blood glucose levels

Question 8

negative feedback systems…

Answer 8

return the body to a steady state

Question 9

positive feedback systems…

Answer 9

enhanced and increases the initial stimulus

Question 10

examples of negative feedback

Answer 10

• shivering when cold
• releasing insulin when sugar levels are low
• sweating when hot
• blood pressure regulation
• body temp regulation
• pH of blood

Question 11

example of positive feedback

Answer 11

• a fever
• childbirth

Question 12

what feedback system is the most common

Answer 12

negative

Question 13

what is the purpose of a feedback mechanism in homeostasis

Answer 13

to detect changes in the internal environment and initiate a response