Tight Junctions Between Capillary Endothelial Cells in the Central Nervous

question 81

Multiple Choice

Tight junctions between capillary endothelial cells in the central nervous system create the blood- brain barrier, thereby restricting what type of movement of molecules into the brain?

• A)diffusion of lipophilic
• B)facilitated diffusion of hydrophobic
• C)diffusion of hydrophilic
• D)active transport of
• E)transcytosis of

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Definitions:

Net Profit

The actual profit after working expenses not included in the calculation of gross profit have been paid.

Fixed Cost

A cost that does not change with an increase or decrease in the amount of goods or services produced or sold.

Marginal Cost

The escalation in the entire cost linked to the output of an additional unit.

Average Cost

The cost per unit is determined by dividing the overall production cost by the total units produced.