Homeostasis

Question 1

Define homeostasis?

Answer 1

Homeostasis is keeping a constant internal environment.

Question 2

What is the human body temperature?

Answer 2

The human body temperature is 37° c.

Question 3

Explain why homeo means?

Answer 3

Homeo means the same.

Question 4

Define stasis?

Answer 4

Stasis means balance.

Question 5

What are the four things that the body regulates?

Answer 5

The four things that the body regulates are:

1) . Water Levels
2) . Ions
3) . Temperature
4) . Glucose
5) . Waste

Question 6

What does the pancreas do?

Answer 6

The pancreas monitors and controls glucose levels in the blood.

Question 7

What are the four functions of the kidney’s?

Answer 7

The four functions of the kidney’s are:

1) . Regulation of water levels in the blood
2) . Reabsorption of useful substances into the blood
3) . Adjustment of the levels of salts and ions in the blood
4) Excretion of urea and other metabolic wastes.

Question 8

What does dialysis fluid contain?

Answer 8

Dialysis fluid contains:

• a glucose concentration similar to a normal level in the blood
• A concentration of ions similar to that found in normal blood plasma
• no urea

Question 9

What are the advantages of having a dialysis?

Answer 9

The good things about having a dialysis are:

1) . Saves lives
2) . Removes urea from the blood
3) . No overall change in glucose
4) Corrects an imbalance in ions

Question 10

What are the disadvantages of having a dialysis?

Answer 10

The disadvantages of having a dialysis are:

1) . It is highly specialised and expensive equipment
2) .The patient needs to be connected 2-3 times per week.
3) . It takes 4-6 hours per session.

Question 11

What are the good things about having a kidney transplant?

Answer 11

The good things about having a kidney transplant are:

1) . It does not require regular dialysis
2) . It increases life expectancy
3) . There are fewer diet restrictions.
4) . You may feel healthier.

Question 12

What are the bad things about having a kidney transplant?

Answer 12

The bad things about having a kidney transplant are:

1) . You need to have major surgery.
2) . You have to wait for a donor
3) . Your body may reject the kidney
4) . You have to take immunosuppressant drugs for the rest of your life.

Question 13

What are the four reflexes?

Answer 13

The four reflexes are:

1) . Hear
2) Touch
3) . Sight
4) . Taste

Question 14

Explain how a pregnancy strip works to show a positive result.

Answer 14

A pregnancy strip works to show a positive result by this scientific answer:

1) . The urine passes through the reaction zone.
2) . The HCG hormone binds to the mobile HCG antibody (in the reaction zone)
3) . The HCG hormone binds to the immobilised HCG antibodies in the results zone
4) . The other antibodies do not attach to HCG.
5) . They bind to antibodies in the control zone.
6) . Blue dye appears in both the control and results zones (to show a positive result).