L12 Activity Sheet PDF - Innate Immunity
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College of Medicine
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Summary
This activity sheet contains multiple-choice questions on innate immunity. Questions cover topics such as Toll-like receptors (TLRs), bacterial structures, phagocytosis, and viral pathogens. It's a good resource for studying immunology concepts.
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MED 111 (Tissue organization & Host defenses) L12: Innate Immunity Activity sheet 1- Which of the following bacterial structures is recognized by TLR on macrophages? a- Peptidoglycan b- Mannans c- Zymosan d- Nucleic acid 2- Toll...
MED 111 (Tissue organization & Host defenses) L12: Innate Immunity Activity sheet 1- Which of the following bacterial structures is recognized by TLR on macrophages? a- Peptidoglycan b- Mannans c- Zymosan d- Nucleic acid 2- Toll-like receptors (TLRS) are---- a- Lipopolysaccharides b- Glycoproteins c- Polysaccharides d- Lipids 3- Which of the following enhance phagocytosis? a- PAMPs b- Defensins c- Opsonins d- Lysozymes 4- Which of the following cells phagocytose pathogens? a- Natural killer cells b- Macrophages c- B-lymphocytes d- T- lymphocytes 5- Which of the following are viral PAMPs? a- Nucleic acid b- Mannans c- Teichoic acid d- Flagellin 6- Which of the following is related to innate immunity? a- The alternative pathway of complement b- Activation and differentiation of B-cells c- Activation of T-cytotoxic cells d- Formation of memory cells 7- Which of the following is considered a non- specific defense to a pathogen? a- Activation and differentiation of B-cells b- Formation of memory Cells c- Proteolytic enzymes of the small intestine d- Activation and differentiation of T-helper cells 8- Which of the following best describes defensins? a- It deprives microbes of the free iron b- It creates pores in lipid membranes of bacteria c- It splits mucopeptide layer of bacterial cell wall d- It sweeps secretions with inhaled microorganisms 9- Which of the following best describes lactoferrin? a- It deprives microbes of the free iron b- It creates pores in lipid membranes of bacteria c- It splits mucopeptide layer of bacterial cell wall d- It sweeps secretions with inhaled microorganisms 10- Which of the following cells has role in process of antibody dependent cell mediated cytotoxicity (ADCC)? a- T- helper cells b- Natural killer cells c- Eosinophils d- Basophils
