mussten – had to ich [1] wir [11] du [2] ihr [22] er/sie/es [3] sie/Sie [33]

Eine gute Person [1] nicht. (cheat/deceive- Präsens)

Mein Vater [1] Biologie, als er an der Uni war. (studieren – Präteritum/narrative past)

Am Abend [1] die Gäste. (kommen – Präteritum/narrative past)

Considering the technical definition of the term, which of the following is an opiate?

The                opioid receptor is the primary target of nearly all opioid drugs. It is largely responsible for the analgesic, sedating, and addictive properties of opioids.

Most opioids have relatively similar half-lives. 

In which of the following ways can amphetamines impact neuronal functioning? 

Methadone is primarily used to treat opioid use disorder because it: 

What is a shared effect of cocaine and amphetamines on neurotransmitter systems?