OSMT (Ontario Society of Medical Technologists) Practice Exam

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Which heavy metal disinfectants are included in the list?

Silver nitrate
Iron
Zinc
A and C

The correct answer is: A and C

The inclusion of silver nitrate and zinc as heavy metal disinfectants highlights their significant roles in medical and laboratory settings. Silver nitrate has long been recognized for its antimicrobial properties and is often used in various applications, including treating wounds and preventing infections. It is effective against a broad range of microorganisms, making it a valuable disinfectant. Zinc compounds are also known for their antimicrobial activities and can be used in different formulations for disinfecting surfaces and skin. Iron, on the other hand, does not typically function as a disinfectant in the same way that silver nitrate and zinc do. While iron plays crucial roles in various biological processes and is an essential nutrient, it does not possess the same antiseptic properties necessary for disinfection. Therefore, the correct answer rightly identifies silver nitrate and zinc as the heavy metal disinfectants included in the list, while iron is not recognized for its disinfectant capabilities.