Ontario Registered Pharmacy Technician (RphT) Practice Exam

Which of the following is a neuromuscular blocking agent?

1. Digoxin

2. Succinylcholine

3. Verapamil

The correct answer is: Succinylcholine

Succinylcholine is a neuromuscular blocking agent. This type of medication works by preventing the transmission of nerve signals to the muscles, leading to temporary paralysis. This can be useful in surgeries or other medical procedures that require muscle relaxation. Digoxin is a cardiac glycoside, which is used to treat heart conditions such as heart failure. It works by increasing the strength of heart muscle contractions. This is different from a neuromuscular blocking agent, which does not directly affect the heart muscle. Verapamil is a calcium channel blocker, commonly used to treat high blood pressure and certain heart rhythm disorders. It works by relaxing and widening blood vessels, allowing for improved blood flow. This medication does not have any effect on nerve signals or muscle function. Therefore, options A and C are incorrect as they do not fall under the category of a neurom