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linches@ONL linches@ONL
wrote...
12 years ago
3. Muscle-relaxing drugs are administered to a patient during major surgery. Which of the two chemicals described next would be a good skeletal muscle relaxant and why?   
-Chemical A binds to and blocks ACh receptors of muscle cells
-Chemical B floods the muscle cells' cytoplasm with Ca(2+)
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wrote...
Staff Member
12 years ago
I'm assuming those are two separate options, if so, the first one 8)

If you flood the muscle cells with Ca++, you practically unlock the tropomyosin. Actin and myosin starts to slide into each other. Other words, muscle starts contracting!

Rightwards Arrow B would cause discomfort over time...
- Master of Science in Biology
- Bachelor of Science
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