Which mechanism limits the effectiveness of a drug using receptor targeting within cell membranes?

💡 Explanation

With prolonged drug exposure, receptor down-regulation occurs where cells reduce the number of surface receptors via endocytosis to reduce sensitivity to the drug's signaling and stimulation. Therefore reduced sensitivity results, rather than steric hinderance, coulombic repulsion, or solvation preventing receptor interaction, which are independent of chronic application.

• Which risk increases when unheated aircraft struggle to generate lift?
• Which outcome is caused by exceeding designed compression ratio limits within a gasoline engine cylinder?
• Which consequence results when coherence collapses during optical trapping?
• Which outcome results when dislocations impede slip planes?
• Which outcome increases greatly when an ideal closed Brayton cycle compressor operates near 100% humidity?
• Which mechanism causes increased brittleness after polymer vitrification?