When the acquired immunity system is triggered, ______ are produced.Multiple choice question.phagocytesantibodiesantigenstoxins

The antigens also trigger the production of __________ lymphocytes that will 'remember' the antigen and quickly produce the right antibodies if the pathogen enters the body again. What word completes the sentence?

The form of immunity that is initiated by the recognition of a specific antigen is called _____ immunity.Multiple choice question.innateacquirednonspecific

The type of immunity that results from the the production of antibodies by an individual following an infection or vaccination is Blank______ immunity.Multiple choice question.activepermanentinnatepassive

Which of the following are not produced by white blood cells to protect us from pathogens?AntitoxinsAntibodiesDigestive enzymesAntigens2What are antigens?Proteins found on the surface of cellsProteins that bind to pathogensMicrobes that cause diseasesProteins that kill toxins released by pathogens3Which of the following statements about antibodies is not true?They can cause pathogens to clump togetherThey attach to antigensA single antibody can destroy a wide range of pathogensThey are produced by white blood cells4Which of the following is contained in a vaccine? A live pathogenA dead or weakened pathogenAn antigenAn antibody5If most of the population is vaccinated against an infectious disease, this can reduce the chances of people coming into contact with the pathogen that causes the disease. This is known as:Herd immunityHerd infectionPopulation immunityHerd vaccination

What is an antigen?Multiple choice question.any molecule that triggers an immune responsea molecule produced during an immune response