Lab I. - Hematology (standard data)

Question 1

The average blood volume of adult animals

Answer 1

60-80 ml/kg bwt

Question 2

blood density

Answer 2

1050 g/dm^3

Question 3

blood relative viscosity (related to water)

Answer 3

3,5 (relative unit)

Question 4

pH of blood

Answer 4

7.35-7.45 pH

Question 5

blood osmolarity

Answer 5

300 mosmol/L

Question 6

blood osmolality

Answer 6

300 mosmol/kg

Question 7

the total osmotic pressure of the blood

Answer 7

700 kPa (5262 mmHg)

Question 8

oncotic pressure of the blood
*oncotic = the osmotic pressure exerted by colloids in solution

Answer 8

3.5 kPa (26 mmHg)

Question 9

Blood’s freezing point

Answer 9

-0.56 °C

Question 10

Haemoglobin conc. of the blood

Answer 10

120-180 g/L

Question 11

Density of the blood plasma

Answer 11

1020 g/dm^3

Question 12

Na+ conc. of blood plasma

Answer 12

140 mmol/L

Question 13

K+ conc. of blood plasma

Answer 13

4 mmol/L

Question 14

Mg2+ conc. of blood plasma

Answer 14

1.5 mmol/L

Question 15

Ca2+ conc. of blood plasma

Answer 15

mammals: total - 2.5 mmol/L, ionic 1.25 mmol/L
poultry: total - 5 mmol/L, ionic 1.25 mmol/L

Question 16

Cl- conc. of blood plasma

Answer 16

110 mmol/L

Question 17

HCO3- conc. of blood plasma

Answer 17

27 mmol/L

Question 18

P (inorganic) conc. of blood plasma

Answer 18

2 mmol/L

Question 19

fibrinogen conc. of blood plasma

Answer 19

3 (1-6) g/L

Question 20

Glucose level of blood plasma

Answer 20

ruminents - 3 (2-4) mmol/L
monogastric animals - 5 (3-5.5) mmol/L
poultry - 10 (9-11) mmol/L

Question 21

cholesterol level in blood plasma

Answer 21

5 (1-8) mmol/L

Question 22

residual nitrogen level

Answer 22

15-25 mmol/L

Question 23

Urea in blood plasma

Answer 23

3-10 mmol/L

Question 24

Creatinine in blood plasma

Answer 24

50-200 μmol/L

Question 25

Hematocrit in venous blood

Answer 25

average: 0.35-0.45 L/L (35-45%)

Question 26

Blood clotting time (Lee White methode, 37 °C)

Answer 26

Horse: 20-25 min.
Cattle: 5-15 min.
Swine: 5-6 min.
Dog: 6-7 min.
Cat: 7-9 min.
Rabbit: 3-5 min.
*domestic fowl: 1-3 min.

Question 27

Erythrocyte sedimentation rate (depends on the hematocrit)

Answer 27

Horse: 60-90 mm/hour
Cattle: 0-2 mm/hour
*small ruminents: 0mm/hour
Swine: 1-14 mm/hour
Dog: 5-10 mm/hour
Cat: 5-10 mm/hour
*domestic fowl: 1-4 mm/hour

Question 28

Protein conc. of body fluids

Answer 28