Podcast
Questions and Answers
What is the role of Natural Killer Cells in the immune system?
What is the role of Natural Killer Cells in the immune system?
- Phagocytose pathogens
- Enhance inflammation in infected areas
- Secrete toxic chemicals or induce apoptosis in target cells (correct)
- Produce antibodies against pathogens
Which of the following is NOT a mechanical expulsive force acting as an intrinsic barrier in the immune system?
Which of the following is NOT a mechanical expulsive force acting as an intrinsic barrier in the immune system?
- Coughing
- Vomiting (correct)
- Sneezing
- Defecation
What is the primary function of tight junctions in epithelium as mentioned in the text?
What is the primary function of tight junctions in epithelium as mentioned in the text?
- Induce inflammation in response to infections
- Secrete toxic chemicals to kill pathogens
- Promote the attachment of pathogens to host tissue
- Prevent pathogens from slipping between cells (correct)
Which of the following is a role of commensal flora in the immune system?
Which of the following is a role of commensal flora in the immune system?
What is the main feature of Adaptive Immunity as described in the text?
What is the main feature of Adaptive Immunity as described in the text?
Which type of immunity involves the production of soluble immunoglobulins or antibodies?
Which type of immunity involves the production of soluble immunoglobulins or antibodies?
What initiates fever as a systemic response to infection?
What initiates fever as a systemic response to infection?
What do interferons released by infected cells do according to the text?
What do interferons released by infected cells do according to the text?
What is the basis for the protection offered by vaccination according to the text?
What is the basis for the protection offered by vaccination according to the text?
Which receptors are involved in recognizing Pathogen-associated molecular patterns (PAMPs) according to the text?
Which receptors are involved in recognizing Pathogen-associated molecular patterns (PAMPs) according to the text?
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