How Does the K_i Value Differ from the K_d Value

question 48

Multiple Choice

How does the K_i value differ from the K_d value?

• A) The K_i value represents the concentration of nonradioactive compound that caused the radioactive compound to provide 50 percent receptor occupancy.
• B) The K_i value refers to the amount of drug that occupies 50 percent of receptors.
• C) The K_d value is the dissociation constant; K_i is the binding constant.
• D) The K_i value represents the concentration of radioactive compound that caused the nonradioactive compound to provide 50 percent receptor occupancy.

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