FINAL EXAM REVIEW

Front

A patient receives 1000 mg of a drug. This drug has a t1/2 of 2 hours. How much of the drug remains after 4 hours?

Back

250 mg

Front

A patient receives 1000 mg of a drug. This drug has a t1/2 of 2 hours. How many half lives is 6 hours for this drug?

Back

3 half lives

Front

Which of the following describes an agonist? Options: Drug binds to receptor - inhibits a response, Drug does NOT bind to receptor - inhibits a response, Drug does NOT bind to receptor - initiates a response, Drug binds to receptor - initiates a response

Back

Drug binds to receptor - initiates a response

Front

If 50 mg of a drug (drug A) produces the same analgesic response as 500 mg of another drug (drug B), which of the following is true?

Back

The second drug is less potent than the first drug.

Front

Crossing a member requires certain characteristics. Which of the following would be the ideal drug to cross a membrane? A lipophilic, unionized drug, A hydrophilic, unionized drug, A very large, lipophilic molecule, An ionized drug that is polar

Back

A lipophilic, unionized drug

Front

What is the concentration of unbound drug if drug C is both bound and unbound to proteins in the blood, with a total concentration of 500 mg/L and 10% bound to plasma proteins?

Back

450 mg/L

Front

How long will it take to reach steady-state plasma levels for a medication with an elimination rate constant (K) of 0.35 h⁻¹, administered every 6 hours at a consistent dosage?

Back

9

Front

What is the EC50 of Drug D?

Back

10^-4 M

Front

Which of the following does not describe active transport? Substrate specific , Requires energy - ATP, Transports a solute against their concentration gradient, Solute diffuses down its concentration gradient

Back

Solute diffuses down its concentration gradient

Front

Blood perfusion rate of the organ or tissue helps with what purpose? Select the best answer

Back

Distributes drugs to the organs and tissues of the body