Homeostasis Flashcards

You may prefer our related Brainscape-certified flashcards:
1
Q

What is homeostasis?

A

Homeostasis is the process whereby the body’s internal environment is maintained in a steady state.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What are 5 processes the body regulates?

A
  1. Core body temperature.
  2. pH and concentrations of solutes dissolved in the blood.
  3. Concentration of glucose.
  4. Blood pressure.
  5. Concentration of metabolic wastes.
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What are the six stages of the steady state control system?

A
  1. Stimulus
  2. Receptor
  3. Modulator
  4. Effector
  5. Response
  6. Feedback
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Describe the stimulus stage of the steady state control system.

A

Is a change in the internal or external environment.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Describe the receptor stage of the steady state control system.

A

Is a cell or nerve ending that detects the change.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Describe the modulator stage of the steady-state control system.

A

Receives the “message” and coordinates the response.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Describe the response stage of the steady state system.

A

Is the course of action. Is the change in response due to a stimulus.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Describe the feedback stage of the steady-state system.

A

Is how the stimulus changes.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What are the types of feedback loops?

A
  1. Negative feedback loops
  2. Positive feedback loops
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Describe a negative feedback system.

A

The feedback is the opposite of the initial stimulus.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Describe a positive feedback system.

A

The feedback increases the initial stimulus.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What feedback system is more common in the body?

A

Negative feedback systems.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What are 3 examples of positive feedback systems?

A
  1. Childbirth
  2. Fevers
  3. Blood clotting
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What is the body’s optimum temperature?

A

36.8 degrees

How well did you know this?
1
Not at all
2
3
4
5
Perfectly