Body Water (ASAN002/1)

Question 1

What is the Average adult animal’s body water %? (1)

Answer 1

60% x weight

Question 2

What is the average Older animal’s body water %? (1)

Answer 2

50 – 55% x weight

Question 3

Younger animal body water %

Answer 3

70 – 80% x weight

Question 4

What is Intracellular fluid (ICF)? (1)

Answer 4

Body water located inside the cells of tissues.

Question 5

How much of total body water is Intracellular fluid (ICF)? (1)

Answer 5

2/3 of total body water

Question 6

What is Extracellular fluid (ECF)? (1)

Answer 6

Body water located outside the cells.

Question 7

What types of fluids can Extracellular fluid (ECF) be devided into? (3)

Answer 7

• Intravascular fluid
• Interstitial fluid
• Transcellular fluids

Question 8

What is Intravascular fluid? (1)

Answer 8

Water inside the blood vessels

Question 9

What is Interstitial fluid? (1)

Answer 9

Water in the spaces between the cells.

Question 10

Aside from between cells, where else can Interstitial fluid be found? (3)

Answer 10

• Bone
• Cartilage
• Dense tissue

Question 11

What are Transcellular fluids?

Answer 11

Specialised fluids.

Question 12

What are examples of Transcellular Fluids? (2)

Answer 12

• Cerebrospinal fluid
• Gastrointestinal secretions.

Question 13

How much of the ECF does Transcellular fluilds make up? (1)

Answer 13

Makes up a very small amt of the ECF.

Question 14

Body Fluid distributions (image)

Answer 14

Question 15

What do we need to take into acount to achieve water balance for a patient? (2)

Answer 15

• Amt of water being lost by the body.
• Amt of water being taken in by the body.

Question 16

How is the normal water balance in a healthy dog or cat generally calculated? (1)

Answer 16

50mls x kg x day

Question 17

What is the normal water balance range in a healthy dog or cat over 24hrs? (1)

Answer 17

40 – 60mls/kg/day (24hrs)

Question 18

What is the water balance calulation based on? (1)

Answer 18

How much fluid the animal will loose in a day (on average).

Question 19

What are the two groups of fluid losses that are used to determine normal fluid loss of a patient? (2)

Answer 19

• Sensible lossess
• Insensible lossess

Question 20

What is Insensible loss? (1)

Answer 20

Loss of fluid that cannot be easily detected with your senses.

Question 21

What are examples of Insensible lossess? (2)

Answer 21

• Respiration
• Sweating

Question 22

What is Sensible loss? (2)

Answer 22

Loss of fluid that can be detected by your senses
(ie see it coming out)

Question 23

What are the two types of Sensible lossess? (2)

Answer 23

Urinary loss
Faecal loss

Question 24

What type of loss is Respiration / Sweating? (1)

Answer 24

Insensible loss

Question 25

How much fluid is usually lost due to Respiration & Sweating? (1)

Answer 25

20mls/kg/24hrs

Question 26

What type of loss is Urinary loss? (1)

Answer 26

Sensible loss

Question 27

How much fluid is usually lost due to Urinary loss? (2)

Answer 27

20mls/kg/24hrs
(normal range)

Question 28

What type of los is Faecal Loss? (1)

Answer 28

Sensible loss

Question 29

How much fluid is usually lost due to Faecal Loss? (2)

Answer 29

10mls/kg/24hrs
(normal range)

Question 30

How do we calculate Total fluid loss? (2)

Answer 30

Respiration/Sweating + Urinary + Faecal

20 + 20 + 10
= 50mls/kg/24hrs

Question 31

What are causes of Abnormal fluid loss? (7)

Answer 31

• Vomiting
• Diarrhoea
• Blood loss
• Anorexia
• Evaporation (↑ panting etc)
• Disease
• Sx procedures

Question 32

Total Fluid Loss (image)

Answer 32