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Global Effect of Sympathomimetic Drugs on the Vascular System

by Pravin Shukle, MD
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    The lecture Global Effect of Sympathomimetic Drugs on the Vascular System by Pravin Shukle, MD is from the course ANS - Pharmacology.


    Included Quiz Questions

    1. Phenylephrine
    2. Clonidine
    3. Intermediate dose dopamine
    4. Terbutaline
    5. Albuterol
    1. It acts centrally leading to a reduction in sympathetic outflow.
    2. It vasodilates in smooth muscle but vasoconstricts in mucosal blood vessels via activation of different adrenergic receptors.
    3. It only decreases blood pressure via orthostatic hypotension.
    4. It works by diverting blood flow to the splanchnic vessels leading to overall decrease in blood volume.
    5. It works via a reflex mechanism to decreased blood pressure.
    1. All of the answers would be expected.
    2. Increased blood pressure
    3. Contraction of smooth muscle in splanchnic vessels
    4. Reflex bradycardia
    5. Increased total peripheral resistance
    1. Mesenteric and digital ischemia
    2. Orthostatic hypotension
    3. Inadequate diastolic filling time
    4. Bronchoconstriction
    5. Reflex bradycardia

    Author of lecture Global Effect of Sympathomimetic Drugs on the Vascular System

     Pravin Shukle, MD

    Pravin Shukle, MD


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