Homeostasis - Assessment

1.

Multiple Choice

45 sec

1 pt

Which of the following describes homeostasis?

keeps variables exactly at the set point

an organism's ability to maintain steady (stable) internal conditions

acts to keep values outside of a desired range

operates through positive feedback

2.

Multiple Choice

45 sec

1 pt

This body system controls and coordinates all body activities through electric impulses/messages between the brain, the spinal cord, and the nerves.

endocrine system

nervous system

nerve

neuron

3.

Multiple Choice

45 sec

1 pt

This body system controls growth and homeostasis by secreting hormones from glands.

skeletal system

nervous system

endocrine system

integumentary system

4.

Multiple Choice

45 sec

1 pt

The group of organisms that maintain homeostasis

mammals, only

animals, only

plants and animals

all living things

5.

Multiple Choice

45 sec

1 pt

A change inside of the organism that moves away from the normal level/condition

response

effector

control center

stimulus

6.

Multiple Choice

45 sec

1 pt

Which part of the homeostasis circuit is a body part/organ that makes a change to bring the system back to homeostasis?

Effector

control center

response

receptor

7.

Multiple Choice

45 sec

1 pt

What part of the circuit detects that the system is outside of homeostasis and decides on the adjustments that need to be made?

effector

response

control center

stimulus

8.

Multiple Choice

45 sec

1 pt

The body part that senses the change inside the organism ...

receptor

control center

effector

response

9.

Multiple Choice

45 sec

1 pt

What part of the homeostasis circuit is the result of the effector's action (brings the organism back to homeostasis)?

stimulus

Response

Receptor

Effector

10.

Multiple Choice

45 sec

1 pt

Identify the stimulus in the example below.

Scenario: A person begins to exercise which causes their body temperature to increase. The temperature change is noticed and the person begins to sweat and their body temperature decreases.

body temperature increases

the person begins to sweat

the temperature change is noticed

the person begins to exercise

11.

Multiple Choice

45 sec

1 pt

Identify the response that restores homeostasis in the example below.

Scenario: A person begins to exercise which causes their body temperature to increase. The temperature change is noticed (sensed) and the person begins to sweat and their body temperature decreases.

temperature change is noticed

a person begins to exercise

body temperature increases

the person sweats (body temperature decreases)

12.

Multiple Choice

45 sec

1 pt

Which part of the circuit is responsible for sensing the temperature change in the example below?

Scenario: A person begins to exercise which causes their body temperature to increase. The temperature change is noticed (sensed) and the person begins to sweat and their body temperature decreases.

control center - sweat glands

receptor - sweat

control center - hypothalamus (part of the brain)

receptor - brain and skin receptors

13.

Multiple Choice

45 sec

1 pt

Which of the following resources are NOT needed by ANIMALS to help them maintain homeostasis?

oxygen

water

food

carbon dioxide

14.

Multiple Choice

45 sec

1 pt

Which of the following resources are NOT needed by PLANTS to help them maintain homeostasis?

light

water

rocks

carbon dioxide

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