Immunology Quiz

Which of the following complement pathways is considered as a part of adaptive immunity?

• Classic pathway

• Alternative pathway

• Lectin pathway

• Perforin-granzyme pathway

Which of the following best describes epitope spreading?

• Inhibition of B cell responses

• Induction of central tolerance

• Progressive exposure of new self-antigens

• Development of memory cells

Which of the following parts of fungal colony that penetrates the culture media to absorb nutrients?

• Septate hyphae

• Vegetative hyphae

• Areal hyphae

• Pseudohyphae

Which molecules form the B cell co-receptor complex?

• CD20, CD14, CD40

• CD21, CD19, CD81

• CD3, CD4, CD8

• CD28, B7, CD86

Which of the following is a site where mature lymphocytes are exposed to antigens to initiate adaptive immune response?

• Lymph nodes

• Blood

• Bone marrow

• Thymus

What is a key characteristic that distinguishes adaptive immunity from innate immunity?

• Immunological memory

• Limited diversity

• Faster response time

• Recognition of PAMPs

What does the term zoonosis refer to?

• Diseases caused by protozoans

• Diseases caused by viruses

• Diseases that only affect humans

• Animal diseases that can be transmitted to humans

Which type of parasite is known for causing anemia?

• Giardia lamblia

• Ancylostoma spp

• Ascaris lumbercoides

• Trichinella spiralis

What does the valence of an antigen refer to?

• The degree of foreignness of the antigen

• The strength of binding to antibodies

• The ability to induce an immune response

• The total number of epitopes in the antigen

What is the primary component responsible for endotoxin activity?

• Protein A

• Teichoic acid

• Lipid A

• Peptidoglycan