New York Nail Technician License Practice Test

What type of blood components function to destroy disease-causing germs?

1. Red corpuscles

2. Platelets

3. White corpuscles

4. Serum

The correct answer is: White corpuscles

White corpuscles, also known as white blood cells, are a crucial component of the immune system and play a vital role in defending the body against infections. They identify, target, and destroy disease-causing germs, such as bacteria and viruses. Different types of white blood cells have specialized functions; for instance, lymphocytes are important for adaptive immunity, while phagocytes engulf and digest pathogens. In contrast, red corpuscles (red blood cells) are primarily responsible for transporting oxygen throughout the body and do not engage in immune responses. Platelets are involved in blood clotting and help prevent bleeding but do not have a direct role in attacking pathogens. Serum, the liquid portion of blood that remains after clotting, contains antibodies and other proteins but does not directly destroy germs. Thus, white corpuscles are specifically designed to combat infections, making them the correct answer to the question.