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What does Ka represent in drug absorption kinetics?
What does Ka represent in drug absorption kinetics?
- Rate of absorption
- Amount of drug available at the site of absorption
- Absorption rate constant (correct)
- Rate of elimination
In absorption kinetics, what is the rate of absorption proportional to?
In absorption kinetics, what is the rate of absorption proportional to?
- Amount of drug available at the site of absorption (Xa) (correct)
- Rate of elimination
- Amount of drug in plasma (X)
- Difference between absorption and elimination rates
Which process is involved in drug absorption in the gastrointestinal tract?
Which process is involved in drug absorption in the gastrointestinal tract?
- Excretion through the kidneys
- Gastric emptying and GI motility (correct)
- Conversion in the respiratory system
- Metabolism in the liver
What is a common method by which drugs are transported across epithelial membranes into systemic circulation?
What is a common method by which drugs are transported across epithelial membranes into systemic circulation?
Which factor is challenging to measure directly in absorption kinetics?
Which factor is challenging to measure directly in absorption kinetics?
What does the rate of change (dX/dt) represent in the drug absorption rate model?
What does the rate of change (dX/dt) represent in the drug absorption rate model?
When assuming first-order kinetics, what is the rate of absorption proportional to?
When assuming first-order kinetics, what is the rate of absorption proportional to?
Which parameter represents the rate at which a drug is absorbed from the site of administration?
Which parameter represents the rate at which a drug is absorbed from the site of administration?
'Passive diffusion' as a method for drug transport refers to:
'Passive diffusion' as a method for drug transport refers to:
Which phase of drug elimination shows a linear time curve on a semi-log scale?
Which phase of drug elimination shows a linear time curve on a semi-log scale?
From which curve is the Ke value more accurate for IV bolus dosing?
From which curve is the Ke value more accurate for IV bolus dosing?
What method is used to determine the absorption rate constant (ka) in drug kinetics?
What method is used to determine the absorption rate constant (ka) in drug kinetics?
Which parameter can be obtained after determining the slope following the terminal phase error?
Which parameter can be obtained after determining the slope following the terminal phase error?
In absorption kinetics, what is the constant represented by logC4 during back calculation before Tmax?
In absorption kinetics, what is the constant represented by logC4 during back calculation before Tmax?
What does the LnCp equation represent in drug kinetics?
What does the LnCp equation represent in drug kinetics?
Which method involves finding the equation for the elimination phase from the semi-log concentration vs. time graph?
Which method involves finding the equation for the elimination phase from the semi-log concentration vs. time graph?
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