A Dietary Supplement That Has Been Touted to Improve Memory

question 58

Multiple Choice

A dietary supplement that has been touted to improve memory and cognitive function is .

• A)Gingko biloba
• B)St.John's wort
• C)SAM-e
• D)All of these are correct.

---

Definitions:

Blood-Brain Barrier

A selective permeability barrier that separates the circulating blood from the brain, protecting it from foreign substances.

Schwann Cell

Glial cell in the PNS that myelinates sensory and motor axons.

Purkinje Cell

Distinctively shaped interneuron found in the cerebellum.

Interneuron

An interneuron is a type of neuron that transmits signals between sensory and motor neurons, playing a critical role in reflexes and neuronal circuits.