The Rx Bricks Podcast

USMLE-Rx

The Rx Bricks podcast from USMLE-Rx is designed to help you master medical school. Each episode is an audio version of one of our revolutionary Rx Bricks, which are short, high-yield, interactive learning modules. Each week, we present a new audiobrick based on an important basic science topic (e.g., pressure-volume loops) or clinical concept (e.g., ischemic heart disease). Learn more at www.usmle-rx.com

  1. Jul 28

    Essentials – Gastrointestinal Regulatory Substances

    Digestion is regulated by a complex network of hormones, peptides, and neural signals. In this episode, we review the major gastrointestinal hormones, introduce several secondary regulatory peptides, and explain how the GI tract senses its luminal contents and integrates multiple signals to control digestive function. After listening to this episode, you should be able to: Identify the source, release stimulus, and function of the major gastrointestinal hormones, including secretin, cholecystokinin (CCK), gastrin, and vasoactive intestinal peptide (VIP). Summarize the release stimuli and functions of key GI regulatory peptides, including bombesin, GLP-1, GLP-2, ghrelin, leptin, motilin, somatostatin, and glucose-dependent insulinotropic polypeptide (GIP). Explain how the physical and chemical properties of luminal contents are sensed and how they trigger hormonal responses. Describe how GI cells integrate hormonal and neural inputs to regulate digestive function. You can also check out the original brick on Gastrointestinal Regulatory Substances from our Gastrointestinal collection, which is available for free. Explore more with USMLE-Rx Create a free USMLE-Rx account at www.usmle-rx.com. You’ll receive five days of full access to Rx360+, including over 800 Rx Bricks. After the trial, you can continue accessing more than 150 free Bricks, including the complete General Microbiology and Cellular and Molecular Biology collections. Enjoyed the episode? Please consider leaving us a review on Apple Podcasts. Reviews help more medical students and future medical students discover the podcast…and help us continue creating resources for the physicians of tomorrow.

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About

The Rx Bricks podcast from USMLE-Rx is designed to help you master medical school. Each episode is an audio version of one of our revolutionary Rx Bricks, which are short, high-yield, interactive learning modules. Each week, we present a new audiobrick based on an important basic science topic (e.g., pressure-volume loops) or clinical concept (e.g., ischemic heart disease). Learn more at www.usmle-rx.com

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