Question

A vasoconstrictor can do all of the following except:

a. Increase duration of anesthesia
b. Decrease the bleeding at site
c. Increase the absorption rate of the anesthetic into the vascular system
d. Decrease the likelihood of adverse reactions

Answer 1

A vasoconstrictor can do all of the mentioned actions, including increasing the duration of anesthesia, decreasing bleeding at the site, increasing the absorption rate of anesthetic, and decreasing the likelihood of adverse reactions.

Step-by-step explanation:

A vasoconstrictor can do all of the following except:

1. Increase duration of anesthesia: A vasoconstrictor works by narrowing blood vessels, which can decrease the duration of anesthesia.
2. Decrease bleeding at site: When blood vessels constrict, it reduces blood flow and decreases bleeding at the site.
3. Increase the absorption rate of the anesthetic into the vascular system: Vasoconstriction can increase the absorption rate of anesthetic into the vascular system because it reduces blood flow and concentrates the anesthetic at the site.
4. Decrease the likelihood of adverse reactions: Vasoconstriction can decrease the likelihood of adverse reactions because it can help control bleeding and improve the delivery of medication.

Therefore, a vasoconstrictor can do all of the mentioned actions and does not exclude any of them.