{"id":30393,"date":"2020-03-19T01:40:00","date_gmt":"2020-03-19T01:40:00","guid":{"rendered":"https:\/\/johnsonfrancis.org\/professional\/?p=30393"},"modified":"2020-03-19T01:40:00","modified_gmt":"2020-03-19T01:40:00","slug":"sinus-node-mcq-answer","status":"publish","type":"post","link":"https:\/\/johnsonfrancis.org\/professional\/sinus-node-mcq-answer\/","title":{"rendered":"Sinus node &#8211; MCQ &#8211; Answer"},"content":{"rendered":"<h2><span style=\"color: #008000;\">Sinus node &#8211; MCQ &#8211; Answer<\/span><\/h2>\n<p><iframe loading=\"lazy\" width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/u6bcRroH_-Q\" title=\"YouTube video player\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen=\"\"><\/iframe><\/p>\n<p><span style=\"color: #0000ff;\"><strong>Sinus node is situated at \u2013 Correct Answer: a) Junction of the superior vena cava and right atrium<\/strong><\/span><\/p>\n<p>Sinus node is situated <em>subepicardially<\/em>, in the upper part of the right atrium, at its junction with the superior vena cava. Subepicardial location explains the common occurrence of sinus tachycardia in pericarditis &#8211; due to irritation of the sinus node by the inflamed pericardium.<\/p>\n<p>Atrioventricular node is a <em>subendocardial<\/em> structure situated near the lower part of right side of the interatrial septum and penetrates the annulus fibrosus. Annulus fibrosus electrically isolates the atria from the ventricles.<\/p>\n<p><a href=\"https:\/\/johnsonfrancis.org\/professional\/sinus-node-mcq\/\"><strong>Back to question<\/strong><\/a><\/p>\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Sinus node &#8211; MCQ &#8211; Answer Sinus node is situated at \u2013 Correct Answer: a) Junction of the superior vena cava and right atrium Sinus node is situated subepicardially, in the upper part of the right atrium, at its junction with the superior vena cava. Subepicardial location explains the common occurrence of sinus tachycardia in [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":26743,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"nf_dc_page":"","footnotes":""},"categories":[13],"tags":[],"class_list":["post-30393","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-medicine-mcq-cvs"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Sinus node - MCQ - Answer - All About Cardiovascular System and Disorders<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/johnsonfrancis.org\/professional\/sinus-node-mcq-answer\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Sinus node - MCQ - Answer - All About Cardiovascular System and Disorders\" \/>\n<meta property=\"og:description\" content=\"Sinus node &#8211; MCQ &#8211; Answer Sinus node is situated at \u2013 Correct Answer: a) Junction of the superior vena cava and right atrium Sinus node is situated subepicardially, in the upper part of the right atrium, at its junction with the superior vena cava. Subepicardial location explains the common occurrence of sinus tachycardia in [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/johnsonfrancis.org\/professional\/sinus-node-mcq-answer\/\" \/>\n<meta property=\"og:site_name\" content=\"All About Cardiovascular System and Disorders\" \/>\n<meta property=\"article:published_time\" content=\"2020-03-19T01:40:00+00:00\" \/>\n<meta name=\"author\" content=\"Johnson Francis\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Johnson Francis\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/sinus-node-mcq-answer\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/sinus-node-mcq-answer\\\/\"},\"author\":{\"name\":\"Johnson Francis\",\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/#\\\/schema\\\/person\\\/5441d907049b914770f4bd98fb57feec\"},\"headline\":\"Sinus node &#8211; 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