Which of the following terms is applied to any foreign substance that stimulates a response from the immune system?
Antigens are any substance that the immune system can recognize and that can thus stimulate an immune response.
What is a general term for all disease causing organisms?
A pathogen is an organism that causes disease.
Why has the transmission of HIV through contaminated blood products virtually been stopped?
After the HIV antibody test became available in 1985, the risk of getting HIV infection from blood transfusion was virtually eliminated in developed countries with the establishment of universal screening of blood donations.
Which step of the scientific method involves formulating a tentative explanation to answer a scientific problem?
Answer and Explanation: The correct answer is (A) Hypothesis. A hypothesis is an educated guess about the outcome of an experiment. Before conducting an experiment,...
What is an organism that carries and transmits pathogens to humans or other animals?
vectorvector – an organism that carries and transmits pathogens to humans and other animals.
Which of the following is the most effective method of preventing the spread of blood borne pathogens?
The Bloodborne Pathogens standard (29 CFR 1910.1030) and CDC's recommended standard precautions both include personal protective equipment, such as gloves, gowns, masks, eye protection (e.g., goggles), and face shields, to protect workers from exposure to infectious diseases.