RAAS US Medical PG Flashcards - Medical Study Cards
Master RAAS with OnCourse flashcards. These spaced repetition flashcards are designed for medical students preparing for NEET PG, USMLE Step 1, USMLE Step 2, MBBS exams, and other medical licensing examinations.
RAAS Flashcard Deck - 10 Cards
Flashcard 41: The hormone sensitivity (responsiveness) of a target tissue may be changed in two ways:
1. Change the _____ of receptors
2. Change the _____ of receptors
Answer: number
Extra:
https://onlinemeded.org/spa/endocrine?ref=anki
Flashcard 42: Aldosterone upregulates _____ on the apical membrane of the principal cells, increasing Na+ reabsorption
Answer: ENaCs
Extra:
Sketchy Pharmacology: Renal (Diuretics)
Watch K+ sparing diuretics [https://dashboard.sketchy.com/study/medical/courses/medical-pharmacology/units/medical-pharmacology-cardiovascular-renal/videos/medical-pharmacology-cardiovascular-and-renal-diuretics-k-sparing-diuretics?utm_source=anki&utm_medium=partnership&utm_campaign=february_update&utm_content=medical] Watch associated Bootcamp video [https://app.bootcamp.com/med-school/nephrology/videos/nephron-transporters?index=8]
https://onlinemeded.org/spa/endocrinology/adrenals/acquire?ref=anki
Flashcard 43: Through which secondary messenger(s) does the angiotensin II-bound AT1 receptor propagate its signal?
_____
Answer: IP3/Ca2+
Extra:
https://onlinemeded.org/spa/endocrinology?ref=anki
Flashcard 44: Corticotropin-releasing hormone (CRH) binds to corticotrophs on the anterior pituitary, directing them to synthesize _____ and secrete _____
Answer: POMC
Extra:
https://onlinemeded.org/spa/endocrinology/adrenals/acquire?ref=anki
Flashcard 45: Angiotensin II increases _____ release from the adrenal cortex
Answer: aldosterone
Extra:
FA2020 UPDATE: ACE inhibitors dilate the efferent arteriole, not constrict as the image below states:
Sketchy Pharmacology: Cardiovascular/Renal
Watch ACE inhibitors, ARBs, Aliskiren [https://dashboard.sketchy.com/study/medical/courses/medical-pharmacology/units/medical-pharmacology-cardiovascular-renal/videos/medical-pharmacology-cardiovascular-and-renal-heart-failure-drugs-ace-inhibitors-arbs-aliskiren?utm_source=anki&utm_medium=partnership&utm_campaign=february_update&utm_content=medical] Watch associated Bootcamp video [https://app.bootcamp.com/med-school/nephrology/videos/renin-angiotensin-aldosterone-system?index=4]
https://onlinemeded.org/spa/cardiology/hypertension/acquire?ref=anki
Flashcard 46: Preparation of endometrium for implantation is _____ driven (secretory phase)
Answer: progesterone
Extra:
https://onlinemeded.org/spa/endocrinology?ref=anki
Flashcard 47: How does hematocrit change with hyposmotic volume contraction (e.g. adrenal insufficiency)?
_____
Answer: Increased
Extra:
https://onlinemeded.org/spa/renal?ref=anki
Other:
Goljan
Flashcard 48: In SIADH, RAAS is deactivated due to detection of volume expansion, further contributing to urinary excretion of _____
Answer: sodium
Extra:
Watch Diabetes Insipidus & SIADH [https://dashboard.sketchy.com/study/medical/courses/medical-pathophysiology/units/medical-pathophysiology-endocrine/videos/medical-pathophysiology-endocrine-hypothalamic-and-pituitary-disorders-diabetes-insipidus-and-siadh?utm_source=anki&utm_medium=partnership&utm_campaign=february_update&utm_content=medical] Watch associated Bootcamp video [https://app.bootcamp.com/med-school/nephrology/videos/electrolytes?index=2]
https://onlinemeded.org/spa/endocrine?ref=anki
Flashcard 49: What effect does angiotensin II have on HCO3- reabsorption?
_____
Answer: Increased reabsorption
Extra:
Watch associated Bootcamp video [https://app.bootcamp.com/med-school/nephrology/videos/nephron-transporters?index=2]
https://onlinemeded.org/spa/nephrology?ref=anki
Flashcard 50: Angiotensin II stimulates _____ exchange in the proximal tubule
Answer: Na+-H+
Extra:
https://onlinemeded.org/spa/nephrology?ref=anki
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