Naloxone (Narcan) is an antagonist to the opioid receptor, the same receptor to which heroin is an agonist. If both heroin and naloxone were in the bloodstream, what would the user experience?

A. The same effects from heroin plus additional effects of naloxone
B. A decrease in the effects of heroin
C. A new set of effects unlike those of heroin alone
D. An increase in the effects of heroin


Answer: B

Anatomy & Physiology

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The story of Balkan endemic nephropathy indicated that

A. a terrorist can poison peoples' urinary systems by putting bacteria in the water supply. B. drinking too much alcohol can strain the kidneys. C. a toxin in food can damage kidneys and cause cancer in the urinary tract. D. kidney disease only affects people in Croatia.

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