Study Set Content:
1- Flashcard

90% used by drugs

Passive diffusion

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2- Flashcard

Concentration gradient

Passive diffusion

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3- Flashcard

a passive process

governed by Fick’s Law

Convective transport

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4- Flashcard

No energy required, non-saturable process

Passive Diffusion

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5- Flashcard

Drug molecules dissolved in aqueous medium at

the absorption site move along with the solvent

through the pore

Convective transport

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6- Flashcard

Water filled pore

Convective transport

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7- Flashcard

Move against concentration gradient

Requires a carrier – carrier mediated

Requires the expenditure of ATP

Active transport

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8- Flashcard

Pathway for small molecules, hydrophilic drugs,

ionic drugs

Convective transport

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9- Flashcard

Follows saturation kinetics:

Active transport

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10- Flashcard

Follows saturation kinetics: when active

transport become saturated the rate becomes

saturated the rate process will be

zero-order

(Michaelis Menten Equation)

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11- Flashcard

not governed by Fick’s

law and is capacity-limited

Facilitated Diffusion

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12- Flashcard

The rate of transport is dependent on

concentration

Convective transport

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13- Flashcard

Permeability is not affected by pH and the

surface area (Ex. Urea, Ionic drugs, Mannitol)

Convective transport

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14- Flashcard

Follows concentration gradient

Competitive inhibition

Poisoning of Carrier

Saturation of Carrier

Facilitated diffusion

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15- Flashcard

large cations, highly

ionized compounds.

Ion-pair transport

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16- Flashcard

Ions of ()

charges come together and passes through

the membrane like an unionized moiety

Opposite

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17- Flashcard

Follows a concentration gradient (passive

diffusion)

No energy expenditure

First order kinetics

Ion-pair Transport

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18- Flashcard

phagocytosis and

pinocytosis

Endocytosis

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19- Flashcard

Conformational change

Endocytosis

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20- Flashcard

Membrane vesicles move another

membrane vesicles

Endocytosis

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