Tutorial - Vasoconstrictor Drugs

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1. How does constricting arterial resistance vessels increase arterial pressure?  click here
2. How does constricting venous capacitance vessels increase arterial pressure?  click here
3. For what conditions are vasoconstrictor drugs used?  click here
4. What is the difference between sympathomimetic and non-sympathomimetic vasoconstrictor drugs in terms of how they act?  click here
5. What receptors and signal transduction pathways are activated by the following vasoconstrictor drugs, and how do these drugs increase arterial pressure?
   • alpha-adrenoceptor agonists
   • arginine vasopressin
6. What caution must be exercised in giving patients vasoconstrictor drugs who have coronary artery disease?  click here

Revised 08/29/06