Session 4 - Fluid Compartments And Homeostatic Mechanisms

Question 1

What are the factors that affect total body fluid?

Answer 1

1. Age
2. Gender
3. Obesity

Question 2

What is the internal environment?

Answer 2

Extracellular fluid

Question 3

What is the value of the total body fluid?

Answer 3

42l

Question 4

What is the value of Intracellular fluid?

Answer 4

28l

Question 5

What is the value of extracellular fluid?

Answer 5

14l

Question 6

What are the 2 main components of total body fluid?

Answer 6

1. Intracellular fluid
2. Extracellular fluid

Question 7

What are the 3 components of Extracellular fluid?

Answer 7

1. Intravascular fluid (Plasma)
2. Interstitial fluid
3. Transcellular fluid

Question 8

What is the value of Intravascular fluid?

Answer 8

3l

Question 9

What is the value of interstitial fluid?

Answer 9

11l

Question 10

What is the value of Transcellular fluid?

Answer 10

1-2l

Question 11

What are the 3 conditions on which the indicator-dilution method can be used?

Answer 11

1. Indicator disperses evenly throughout the compartment
2. Indicator disperses only in compartment being measured
3. Indicator is not metabolised or excreted

Question 12

What is the value of Na+ in Intravascular fluid?

Answer 12

142 mmol/L

Question 13

What is the value of Na+ in interstitial fluid?

Answer 13

139 mmol/L

Question 14

What is the value of K+ in Intravascular fluid?

Answer 14

4.2 mmol/L

Question 15

What is the value of K+ in interstitial fluid?

Answer 15

4 mmol/L

Question 16

What is the value of Ca++ in Intravascular fluid?

Answer 16

1.3 mmol/L

Question 17

What is the value of Ca++ in interstitial fluid?

Answer 17

1.2 mmol/L

Question 18

What is the value of Mg++ in Intravascular fluid?

Answer 18

0.8 mmol/L

Question 19

What is the value of Mg++ in interstitial fluid?

Answer 19

0.7 mmol/L

Question 20

What is the value of Cl- in Intravascular fluid?

Answer 20

106 mmol/L

Question 21

What is the value of Cl- in interstitial fluid?

Answer 21

108 mmol/L

Question 22

What is the value of glucose in Intravascular fluid?

Answer 22

5 mmol/L

Question 23

What is the value of glucose in interstitial fluid?

Answer 23

5 mmol/L

Question 24

What is the value of proteins in Intravascular fluid?

Answer 24

7 g/dL

Question 25

What is the value of proteins in interstitial fluid?

Answer 25

2 g/dL

Question 26

What is the hematocrit of males?

Answer 26

42%

Question 27

What is the hematocrit of females?

Answer 27

38%

Question 28

What is the value of proteins in intracellular fluid?

Answer 28

16g/dL