{"id":205942,"date":"2025-03-26T05:47:21","date_gmt":"2025-03-26T05:47:21","guid":{"rendered":"https:\/\/learnexams.com\/blog\/?p=205942"},"modified":"2025-03-26T05:47:24","modified_gmt":"2025-03-26T05:47:24","slug":"which-of-the-following-statements-concerning-cellular-immunity-is-false","status":"publish","type":"post","link":"https:\/\/www.learnexams.com\/blog\/2025\/03\/26\/which-of-the-following-statements-concerning-cellular-immunity-is-false\/","title":{"rendered":"Which of the following statements concerning cellular immunity is false"},"content":{"rendered":"\n<p>Which of the following statements concerning cellular immunity is false?<\/p>\n\n\n\n<p>The thymus is necessary for development of cells involved in cellular immunity.<\/p>\n\n\n\n<p>Cell-mediated immunity (a.k.a. cellular immunity) is the targeting and destruction of intracellular pathogens by T cells.<\/p>\n\n\n\n<p>Cellular immunity involves cells that recognize antigens and make specific antibodies against them.<\/p>\n\n\n\n<p>The lymphocytes involved with cellular immunity are found primarily in lymphoid organs and blood.<\/p>\n\n\n\n<p>T cells respond to antigens when the antigens bind to receptors on their surface.<\/p>\n\n\n\n<p><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-6-color\"><strong>The correct answer and explanation is :<\/strong><\/mark><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Correct Answer:<\/h3>\n\n\n\n<p><strong>&#8220;Cellular immunity involves cells that recognize antigens and make specific antibodies against them.&#8221;<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Explanation:<\/h3>\n\n\n\n<p>Cellular immunity, also known as <strong>cell-mediated immunity<\/strong>, is primarily carried out by <strong>T cells<\/strong> rather than <strong>B cells<\/strong>. Unlike humoral immunity, which relies on antibodies produced by B cells, cellular immunity involves <strong>direct interactions between T cells and infected or abnormal cells<\/strong>.<\/p>\n\n\n\n<p>Here\u2019s why the statement is false:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>T Cells Do Not Produce Antibodies<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Antibodies are <strong>exclusively produced by B cells<\/strong>, particularly <strong>plasma cells<\/strong>, in response to antigen exposure.<\/li>\n\n\n\n<li>T cells, on the other hand, function by <strong>recognizing infected or abnormal cells<\/strong> and initiating immune responses through <strong>cytokine release or direct cytotoxic action<\/strong>.<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>How Cellular Immunity Works<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>T cells <strong>identify<\/strong> infected cells, cancerous cells, or foreign substances by recognizing <strong>antigen-presenting cells (APCs)<\/strong> that display <strong>foreign antigens<\/strong> using <strong>major histocompatibility complex (MHC) molecules<\/strong>.<\/li>\n\n\n\n<li>Helper T cells (<strong>CD4+<\/strong>) coordinate immune responses by releasing <strong>cytokines<\/strong> that activate other immune cells.<\/li>\n\n\n\n<li>Cytotoxic T cells (<strong>CD8+<\/strong>) <strong>directly kill<\/strong> infected or cancerous cells by <strong>inducing apoptosis (cell death).<\/strong><\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Clarifying the Other Statements<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>The <strong>thymus<\/strong> is essential for T cell development, which is true.<\/li>\n\n\n\n<li>T cells respond to <strong>antigens binding to their surface receptors<\/strong>, which is also correct.<\/li>\n\n\n\n<li>Lymphocytes, including T cells, are found in <strong>lymphoid organs and blood<\/strong>, reinforcing their role in immune surveillance.<\/li>\n<\/ul>\n\n\n\n<p>Thus, the <strong>false statement<\/strong> is the one suggesting that <strong>cellular immunity involves antibody production<\/strong>, since <strong>T cells do not produce antibodies\u2014only B cells do<\/strong>.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p>Here is an image illustrating the differences between <strong>cellular immunity (T cells) and humoral immunity (B cells)<\/strong>:<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.researchgate.net\/profile\/Neda-Malekmahmoodi\/publication\/342115643\/figure\/fig2\/AS:900397787488260@1591872355918\/Differences-between-cell-mediated-immunity-and-humoral-immunity-15.png\" alt=\"Cellular vs. Humoral Immunity\"\/><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Which of the following statements concerning cellular immunity is false? The thymus is necessary for development of cells involved in cellular immunity. Cell-mediated immunity (a.k.a. cellular immunity) is the targeting and destruction of intracellular pathogens by T cells. Cellular immunity involves cells that recognize antigens and make specific antibodies against them. The lymphocytes involved with [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[25],"tags":[],"class_list":["post-205942","post","type-post","status-publish","format-standard","hentry","category-exams-certification"],"_links":{"self":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/205942","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/comments?post=205942"}],"version-history":[{"count":0,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/205942\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/media?parent=205942"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/categories?post=205942"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/tags?post=205942"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}