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Pharmacodynamics Introduction Quiz

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Questions and Answers

Which term refers to the time it takes for a drug to reach its maximum concentration in the body?

Therapeutic range

AUC

MTC

Tmax (correct)

What is the function of cAMP as a second messenger when activated by G-protein coupled receptors?

Initiates a cascade of reactions (correct)

Directly binds to target proteins

Promotes cell death

Inhibits cellular responses

In pharmacokinetics, what does MEC stand for?

Therapeutic range

Minimum effective concentration (correct)

Maximum concentration

Maximum tolerated concentration

What does FEV1 measure in relation to lung function?

Forced expiratory volume at 1 sec Signup and view all the answers

How does Midazolam primarily exert its pharmacological effect in the body?

By interacting with GABAergic receptors Signup and view all the answers

What characteristic determines the half-life of Midazolam in the body?

Age Signup and view all the answers

What is the role of an inhibitory medicine?

Blocking receptor sites to inhibit cellular activity Signup and view all the answers

Which of the following is NOT a target of pharmacodynamics?

Hormones Signup and view all the answers

What is the measure of the affinity of a drug at the receptor?

EC50 Signup and view all the answers

What do drugs with the same Emax but different EC50 values imply?

One is more potent but not necessarily more effective Signup and view all the answers

Which molecules act as messengers inside a cell once a drug interacts with a cell surface receptor?

Second messengers Signup and view all the answers

What is the main consequence of a drug starting a cascade of intracellular pathways upon interacting with a cell surface receptor?

Activation of second messengers Signup and view all the answers