Heroin (diamorphine) is: O an opioid receptor antagonist. O a long-acting opioid agonist that produces dysphoria. O a drug that is metabolised in humans to morphine. a drug with high liability for physical dependence and low liability for psychological dependence.

Phlebotomy Essentials
6th Edition
ISBN:9781451194524
Author:Ruth McCall, Cathee M. Tankersley MT(ASCP)
Publisher:Ruth McCall, Cathee M. Tankersley MT(ASCP)
Chapter1: Phlebotomy: Past And Present And The Healthcare Setting
Section: Chapter Questions
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Heroin (diamorphine) is:
O an opioid receptor antagonist.
O a long-acting opioid agonist that produces dysphoria.
O a drug that is metabolised in humans to morphine.
a drug with high liability for physical dependence and low liability for psychological dependence.
Question 4
Cocaine exerts sympathomimetic activity by:
O acting directly as an agonist at alpha 1-adrenoceptors.
inhibiting the re-uptake of noradrenaline at axon terminal sympathetic neurons.
O inhibiting alpha 1-adrenoceptors.
O inhibiting the breakdown of noradrenaline by monoamine oxidase.
Transcribed Image Text:Heroin (diamorphine) is: O an opioid receptor antagonist. O a long-acting opioid agonist that produces dysphoria. O a drug that is metabolised in humans to morphine. a drug with high liability for physical dependence and low liability for psychological dependence. Question 4 Cocaine exerts sympathomimetic activity by: O acting directly as an agonist at alpha 1-adrenoceptors. inhibiting the re-uptake of noradrenaline at axon terminal sympathetic neurons. O inhibiting alpha 1-adrenoceptors. O inhibiting the breakdown of noradrenaline by monoamine oxidase.
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