What is the class of anti-hypertensive drug that prevents smooth muscle con- traction, and hence promotes vasodilation called? A. ACE inhibitors. B. beta blockers. C. diuretics D. calcium channel blockers
Option D. In order for muscle to contract, calcium is released from the sar- coplasmic reticulum and binds to troponin, which modifications its form and pulls tropomyosin away which exposes actin’s binding site. A blocker prevents the release of Ca into the muscle cell sarcoplasm
