Solute and Fluid exchange

Many substances are transported around the body in ______

What controls what enters and leaves cells?

What are the features of passive transport?

name 4 different types of passive transport

What are the features of active transport?

Name the 3 types of capillaries

What controls rate of solute transport?

What is the equation for time taken for particles to diffuse a certain distance?

what are x and D in that equation?

What determines D?

What is Fick's Law?

What properties of the membrane affect solute transport?

What is the glycocalyx?

How can Fick's Law be modified for permeability?

What is Am?

What are 4 routes of transport for solutes across a membrane?

What is transcellular transport?

What solutes use vesicles?

How can solutes travel intercellularly?

What is flow limiting diffusion?

How is diffusion limited by flow in alveoli?

How can rate of diffusion be increased?

What does an abnormality in fluid exchange result in?

What 2 pressures act on capillary walls in both directions?

What is the hydrostatic pressure?

What is the overall hydrostatic pressure?

What is the osmotic pressure and how is it determined?

What is the overall osmotic pressure?

Jv = Lp x A x [(Pc-Pi) - σ(πp-πi)]
This is Starling's principle of fluid exchange, what do Lp and A represent?

What is σ?

In normal capillaries, what is favoured, filtration or absorption?

What happens in hypovolaemia? (e.g. haemorrhage)

What is the net filtration pressure?

Where does the fluid which is filtered go?

The lymphatic system contains _______ and _____ _______ to aid flow against ________.

How is lymph flow helped by skeletal muscle?

What are 5 causes of oedema?

How could Pc be increased?

How could πp be decreased?

What can cause lymphatic problems?