Patient Care Technician Certification (PCTC) AMCA Practice Exam

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Which bodily fluid is generally considered NOT infectious?

Blood
Sweat
Saliva
Urine

The correct answer is: Sweat

Sweat is generally considered non-infectious because it is produced by the sweat glands as a means of regulating body temperature and does not typically contain pathogens or infectious agents. The primary function of sweat is thermoregulation and it consists mostly of water, electrolytes, and some waste products from metabolism. The chance of transmitting infections through sweat is extremely low, which is why this bodily fluid is not classified as infectious. In contrast, blood, saliva, and urine can contain infectious agents. Blood is a well-known vector for transmitting diseases such as HIV and Hepatitis B, while saliva can carry pathogens that cause infections, including the viruses that result in colds or flu. Urine, too, can sometimes contain bacteria or viruses, especially when it comes to certain infections. Therefore, the classification of sweat as non-infectious is based on the absence of infectious organisms typically found in the other mentioned fluids.