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Select the name of the lymphocytes most associated with the description, or select "none of these." Answers may be used more than once.Group of answer ch...

Question

Select the name of the lymphocytes most associated with the description, or select "none of these." Answers may be used more than once.Group of answer choicesCD8+ cell. [ Choose ] Th2 Th1 Tc None of these NK Can kill target cells, but only with perforin and granzymes [ Choose ] Th2 Th1 Tc None of these NK Is a cell that can stimu

Select the name of the lymphocytes most associated with the description, or select "none of these." Answers may be used more than once.Group of answer choicesCD8+ cell. [ Choose ] Th2 Th1 Tc None of these NK Can kill target cells, but only with perforin and granzymes [ Choose ] Th2 Th1 Tc None of these NK Is a cell that can stimulate both B cells and Tc cells [ Choose ] Th2 Th1 Tc None of these NK Can secrete IFN-gamma in CMI. [ Choose ] Th2 Th1 Tc None of these NK CD4+ cell that stimulates humoral immunity. [ Choose ] Th2 Th1 Tc None of these NK It secretes antibodies. [ Choose ] Th2 Th1 Tc None of these NK Can induce apoptosis in any nucleated cell. [ Choose ] Th2 Th1 Tc None of these NK



Answers

Match the immune cell with its main function. _____dendritic cell _____B cell _____helper T cell
_____NK cell _____cytotoxic T cell a. kills virus-infected cells b. antigen-presenter c. activates other lymphocytes d. kills cancer cells e. makes antibodies

So the question here wants us to match the immune cell with its main function. So we know that we have five different options. We know that the dendritic cells are similar to macrophages, where they basically are a professional fate aside, So in this particular case is going to be a B. Cells here produce antigens well, actually creates antibodies in response to an Auntie Jen. So in this particular case, the answer to B B cells de helper T cells. We know our produce when we have a particular protein in the blood binding to a MHC class one and these activate on other lymphocytes, I'm not personally kill. Then I'm killed the foreign pathogens. So in this particular case, this is going to be seen. And taste NK cells, which are natural killer cells, are basically analogous to that of side of toxic T cells. So in this president place, these will kill a legs, body cells that lack that MHC markers. So this is going to be me and macrophages here back basically take in, um, various for particles and present its antigens. Seven. This part, please. It's B

We're looking at some immune cell sent on by descriptions, so that's a look. A. The description is a large bay decides. So the largest sense of these is the macro page. It's a macro page is a clues in the name. It's a very large so next for beat, we have the antigens presenter on this is V dendritic cells within critic. So as MHC molecules on the surface, it's and Gulf's pathogens like bacteria. And then it presents possible as androgen on its surface. See, activates oval Emphasize again goes hint in the name here but help a t. So for help, it's you. So, um, targets of a lymphocytes, including be SOS to activate them on and activated. Be so woman duty, it will make antibodies which commend target and neutralized. Johnston. So that's how we, uh, I think a power means house to be descriptions

You're given for a different types of cells that are all white blood cells are looking at is teasing out which ones are the engulfing ones. The fungus, it tights and which ones are more involved in protecting the body. So then coughing ones include the neutral fills, the gender, it excels, and the Mac off agents, which leaves your cancer to be the visits, which are general protecting tape of white cell.

This question asks us to match each type of defensive cell with its function or description. So let's just work through this list and make the pears. All right. So for number one, we're looking for a cell type that attacks infected body cells. So we know that this must be sido toxic T cells. T cells are responsible for cell mediated immune responses. Um, there's helper T cells and sido toxic T cells. So sino toxics T cells are activated by helper T cells, and the role of the side of toxic T cell is to kill infected body cells. Okay, so let's make that pair done. All right, Number two, a cell that secretes antibodies. So, um, B cells are the cells that secrete antibodies. These cells are responsible for the human role immune response, which defends primarily against bacteria and viruses present in bodily fluids. As their mechanism of response. They secrete antibodies, and the secretion is stimulated by helper T cells so we can make that that pair okay, a white blood cell that engulfs cells or molecules. So now we're gonna be switching gears a little bit talking about innate immunity, and Nate immunity is a set of defenses that are active immediately upon infection and are the same whether or not the pathogen has been encountered previously. One of the methods of protecting the body in this non specific manner includes Vegas psychosis by cells like macro features and neutrophils. And, um so this is exactly what we're looking for. So option three matches with bigger sites, All right, a general name for B or T cells, so we know that this answer is going to be lymphocytes. Lymphocytes are the white blood cells that are responsible for adaptive immunity, and these cell types include B cells and T cells, so that has to be the match. All right, Option five, A cell type that initiates the secondary immune response. So this is going to be memory cells. Memory cells are formed during the primary immune response. They are a subset of the B cells from the clonal expansion of the B cell that initially bound to the anti gen of interest. Some of the B cells that are produced will form antibodies, and others will become memory B cells, helping the body responded faster. The next time the same answer gin is presented So we match five with F and then number six this almost commonly attacked by HIV. So these air gonna be helper T cells? We talked a little bit earlier about how important helper T cells are for, um, immune responses, especially for the role in stimulating, um B cells to produce antibodies as well a cider toxic T cells to destroy infected body cells. So this is the heart of the problem with HIV is that it totally handicaps the immune system by wiping out the population of helper T cells in the body.


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