NBME 18 alpha1-Adrenoreceptors (NBME Answers)

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Retired NBME Answer Explanations

Retired NBME 18 Answers

nbme18/Block 2/Question#11 (reveal difficulty score)
a 17-year-old boy has septic shock that is ...
alpha1-Adrenoreceptors 🔍 / 📺 / 🌳 / 📖
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submitted by ∗mariame(16)

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Dopamine stimulates D1=D2 > B1 > alfa-1.

At lower doses it stimulates Beta receptors -> inotropic and chronotropic.

At high doses it causes vasoconstriction due to alfa 1 effects.

FA 2019 242

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