Alejandra has started to use heroin. How will this MOST likely affect her body systems?

Question

It will fill the lungs with toxic material.


It will release serotonin and dopamine to the brain.


It will block the transmission of pain signals to her brain.


It will slow down the central nervous system.

Answer 1

The most likely effect of heroin on Alejandra's body systems is:

It will slow down the central nervous system.

Heroin is an opioid, and its primary action is to depress the central nervous system, leading to effects such as slowed heart rate, reduced respiratory rate, and overall sedation. While heroin can also affect pain signaling and release dopamine, the most significant and immediate impact is the depression of the central nervous system.