Q787[sc name=”block-before-question”]Free 1847 USMLE QuestionsPage 1 of 1 Loading...1. A newborn boy does not pass meconium until 48 hours after his birth . Two weeks later his mother reports that he has not been passing stool regularly. Anorectal manometry reveals increased internal anal sphincter pressure on rectal distention with a balloon. Radiographic studies revea l massive dilation of the colon proximal to the rectum. This indicates a developmental abnormality in which of the following embryonic tissues?A. EctodermB. EndodermC. Neural crestD. Neural ectodermE. Splanchnic mesoderm Loading...<<1>> [sc name=”block-after-question”]By Medical Tactics|2021-04-28T23:15:33+00:00May 2, 2021|Question Banks|0 CommentsShare This Story, Choose Your Platform!FacebookTwitterRedditLinkedInWhatsAppTelegramTumblrPinterestVkXingEmail About the Author: Medical Tactics Related PostsPharmacology Questions Bank 1.0 Pharmacology Questions Bank 1.0 USMLE QUESTIONS BANK 2.0 USMLE QUESTIONS BANK 2.0 Easy Biology MCQs Gallery Easy Biology MCQs Easy Medical MCQs Gallery Easy Medical MCQs Leave A Comment Cancel replyComment Save my name, email, and website in this browser for the next time I comment. Hover or click the text box below or Type/Enter: med2020
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