Cell Physiology - Parameters Flashcards Preview

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Flashcards in Cell Physiology - Parameters Deck (33)
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1

Body water content

42L (60% of 70kg)

2

Intracellular fluid volume (ICF)

28L (40% of 70kg)

3

Extracellular fluid volume (ECF)

14L (20% of 70kg)

4

Interstitial fluid volume
(Part of ECF)

10.5L (75% of ECF)

5

Plasma volume
(Part of ECF)

3.5L (25% of ECF)

6

Hemoglobin concentration

12 – 16 g/dL (or 120-160 g/L)

7

Blood plasma Na+
concentration

135-150 mM

8

Blood plasma H+
concentration

10^-7.38 M (pH 7.38)

9

Blood plasma K+
concentration

3.5-5 mM

10

Blood plasma Ca2+ concentration and its fractions

2.1-2.8 mM (total), 1.1-1.4 mM (free)

11

Blood plasma Cl- concentration

95-105 mM

12

Blood plasma HCO3- concentration

22-28 mM

13

Blood plasma protein concentration:

Average 7 g/dL

14

Albumin

3.5-5 g/dL
(60% of plasma protein concentration)

15

Immunoglobulin

1-1.5 g/dL (~20%of plasma protein concentration)

16

Fibrinogen

0.2-0.45 g/dL (4%)

17

Intracellular Na+
concentration

10-15 mM

18

Extracellular Na+
concentration

135-150 mM

19

Intracellular H+
concentration

10^-7.2 (pH 7.2)

20

Intracellular K+
concentration

120-150 mM

21

Cytosolic Ca2+ concentration

100 nM (free)

22

Intracellular Cl- concentration

20-30 mM

23

Intracellular HCO3- concentration

12-16 mM

24

Blood plasma osmolarity and oncotic pressure:

Osmolarity = 290 mOsm, Oncotic pressure = 28 mmHg (80% of it due to Albumin)

25

Resting membrane potential of skeletal muscle cells

-90 mV

26

Resting membrane potential of neurons

-70 mV

27

Equilibrium potential of Na+ in neurons

+60 mV

28

Equilibrium potential of K+
in neurons

-90 mV

29

Equilibrium potential of Ca2+ in neurons

+130 mV

30

Equilibrium potential of Cl- in neurons

-70 mV