Cells Flashcards

1
Q

What is physiology?

A

Physiology is the study of functions of the body or how the body works.

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

What are the factors of the internal environment that must be maintained?

A

Concentration of the nutrient molecules
Concentration of oxygen and carbon dioxide
Concentration of waste products
PH
Concentration of water salt other electrolytes
Temperature
Volume and Pressure

Notice That disruptions in homeostasis can lead to illness and death

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

Negative feedback?

A

The output of the system that is controlled to resist the initial change so that the activity of the system is maintained at an relatively steady level.

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

Positive feedback?

A

The Output is continually enhanced so that the controlled variable continues to be moved in the same direction of the initial change. it or cars less frequently in the body

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

Give five examples of positive feedback?

A
Defecation 
Child birth
Hemoglutination
micturition
Ejaculation
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Which of the following process is not belong to positive feedback?

A

Baroreceptor reflex

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

Which controlling process is the major one to maintain the homeostasis?

A

Negative feedback

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