{"id":2434,"date":"2025-05-02T12:32:16","date_gmt":"2025-05-02T07:02:16","guid":{"rendered":"https:\/\/lotusarise.com\/qna\/?p=2434"},"modified":"2025-05-02T12:32:17","modified_gmt":"2025-05-02T07:02:17","slug":"q-which-one-of-the-following-is-synthesised-in-human-body-that-dilate-blood-vessels-and-increases-blood-flow","status":"publish","type":"post","link":"https:\/\/lotusarise.com\/qna\/upsc\/q-which-one-of-the-following-is-synthesised-in-human-body-that-dilate-blood-vessels-and-increases-blood-flow","title":{"rendered":"Q. Which one of the following is synthesised in human body that dilate blood vessels and increases blood flow?"},"content":{"rendered":"\n<ul class=\"wp-block-list mcq\">\n<li>Nitric oxide<\/li>\n\n\n\n<li>Nitrous oxide<\/li>\n\n\n\n<li>Nitrogen dioxide<\/li>\n\n\n\n<li>Nitrogen Pentoxide<\/li>\n<\/ul>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><strong>Answer:&nbsp;(a) Nitric oxide<\/strong><\/p>\n<\/blockquote>\n\n\n\n<h5 class=\"wp-block-heading\" id=\"notes-hd-681468fb28183\">Notes:<\/h5>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Nitric Oxide (NO):<\/strong>\u00a0Nitric oxide is a\u00a0<strong>molecule synthesized in the human body<\/strong>\u00a0that plays a crucial role in various physiological processes,<strong>\u00a0including the dilation of blood vessels (vasodilation) and increasing blood flow<\/strong>.\n<ul class=\"wp-block-list\">\n<li>It is produced by endothelial cells lining the blood vessels and works by relaxing the smooth muscles in the vessel walls, leading to\u00a0<strong>dilation and improved blood circulation.<\/strong><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter is-resized\"><img decoding=\"async\" src=\"https:\/\/lotusarise.com\/wp-content\/uploads\/2025\/04\/Nitric-oxide-NO-1024x438.png\" alt=\"Nitric oxide (NO)\" class=\"wp-image-51779\" style=\"width:636px;height:auto\" title=\"UPSC Prelims Research: Science and Tech 2024 3\"\/><\/figure>\n<\/div>\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Nitrous Oxide (N2O):<\/strong>\u00a0Nitrous oxide, also known as<strong>\u00a0laughing gas,<\/strong>\u00a0is an anesthetic and analgesic used in medical settings.\n<ul class=\"wp-block-list\">\n<li><strong>It\u2019s a colorless, non-flammable gas with a slightly sweet scent and taste.<\/strong><\/li>\n\n\n\n<li>In addition to its\u00a0<strong>recreational use<\/strong>, nitrous oxide is also used in various medical and industrial applications, including as an\u00a0<strong>anesthetic and an engine performance enhancer<\/strong>.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Nitrogen Dioxide (NO2)<\/strong>: Nitrogen dioxide (NO2) is a\u00a0<strong>reddish-brown, toxic gas that is a major air pollutant.<\/strong>\n<ul class=\"wp-block-list\">\n<li>It\u2019s primarily\u00a0<strong>produced by burning fuels like coal, oil, and gas<\/strong>.<\/li>\n\n\n\n<li>NO2 contributes to the\u00a0<strong>formation of ozone and other harmful pollutants<\/strong>, negatively impacting human health and the environment.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Nitrogen Pentoxide (N2O5)<\/strong>: Dinitrogen pentoxide, also known as nitrogen pentoxide or nitric anhydride, is a\u00a0<strong>chemical compound<\/strong>\u00a0with the formula N2O5. It\u2019s a\u00a0<strong>colorless solid that sublimes slightly above room temperature and is a potent oxidizer.<\/strong>\n<ul class=\"wp-block-list\">\n<li>The\u00a0<strong>uses of dinitrogen pentoxide are-<\/strong>\n<ul class=\"wp-block-list\">\n<li>It is used as a\u00a0<strong>robust oxidizer in high-fuel rockets.<\/strong><\/li>\n\n\n\n<li>It is used\u00a0<strong>to ease nitration in non-water based solvents<\/strong>.<\/li>\n\n\n\n<li>It is used for\u00a0<strong>making explosives<\/strong>.<\/li>\n\n\n\n<li>It is used\u00a0<strong>to denote the light intensities\u00a0<\/strong>transmitted when the cell was occupied by the decomposing nitrogen pentoxide and when occupied by the completely decomposed nitrogen pentoxide.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Answer:&nbsp;(a) Nitric oxide Notes:<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_kad_blocks_custom_css":"","_kad_blocks_head_custom_js":"","_kad_blocks_body_custom_js":"","_kad_blocks_footer_custom_js":"","_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"_kad_post_classname":"","footnotes":""},"categories":[1,3],"tags":[44],"years":[49],"class_list":["post-2434","post","type-post","status-publish","format-standard","hentry","category-upsc","category-prelims","tag-science-and-tech","years-49"],"acf":[],"taxonomy_info":{"category":[{"value":1,"label":"UPSC"},{"value":3,"label":"Prelims"}],"post_tag":[{"value":44,"label":"Science and Tech"}],"years":[{"value":49,"label":"2024"}]},"featured_image_src_large":false,"author_info":{"display_name":"LotusArise","author_link":"https:\/\/lotusarise.com\/qna\/author\/team-lotusarise"},"comment_info":0,"category_info":[{"term_id":1,"name":"UPSC","slug":"upsc","term_group":0,"term_taxonomy_id":1,"taxonomy":"category","description":"","parent":0,"count":1269,"filter":"raw","cat_ID":1,"category_count":1269,"category_description":"","cat_name":"UPSC","category_nicename":"upsc","category_parent":0},{"term_id":3,"name":"Prelims","slug":"prelims","term_group":0,"term_taxonomy_id":3,"taxonomy":"category","description":"","parent":1,"count":1251,"filter":"raw","cat_ID":3,"category_count":1251,"category_description":"","cat_name":"Prelims","category_nicename":"prelims","category_parent":1}],"tag_info":[{"term_id":44,"name":"Science and Tech","slug":"science-and-tech","term_group":0,"term_taxonomy_id":44,"taxonomy":"post_tag","description":"","parent":0,"count":167,"filter":"raw"}],"_links":{"self":[{"href":"https:\/\/lotusarise.com\/qna\/wp-json\/wp\/v2\/posts\/2434","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lotusarise.com\/qna\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lotusarise.com\/qna\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lotusarise.com\/qna\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/lotusarise.com\/qna\/wp-json\/wp\/v2\/comments?post=2434"}],"version-history":[{"count":0,"href":"https:\/\/lotusarise.com\/qna\/wp-json\/wp\/v2\/posts\/2434\/revisions"}],"wp:attachment":[{"href":"https:\/\/lotusarise.com\/qna\/wp-json\/wp\/v2\/media?parent=2434"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lotusarise.com\/qna\/wp-json\/wp\/v2\/categories?post=2434"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lotusarise.com\/qna\/wp-json\/wp\/v2\/tags?post=2434"},{"taxonomy":"years","embeddable":true,"href":"https:\/\/lotusarise.com\/qna\/wp-json\/wp\/v2\/years?post=2434"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}