Drug X passes through the blood-brain barrier via active transport. What does this mean?
A) Drug X diffuses through the blood-brain barrier.
B) Drug X uses osmosis to pass through the blood-brain barrier.
C) Drug X directly attaches to neurons to pass through the blood-brain barrier.
D) Drug X uses channels to pass through the blood-brain barrier.

Question

Quizplus · Accepted Answer

Active transport involves the use of specific channels or transport mechanisms to move substances across membranes, including the blood-brain barrier, often against a concentration gradient and requiring energy.

Drug X Passes Through the Blood-Brain Barrier Via Active Transport