Dr Pearson Wants to Design a Drug That Easily Passes

question 17

Multiple Choice

Dr. Pearson wants to design a drug that easily passes through the blood-brain barrier. As an expert in psychopharmacology, you suggest that Dr. Pearson ensure that the chemical structure that he designs is small, as well as ____.

• A) lipid soluble and uncharged
• B) water soluble and uncharged
• C) lipid soluble and charged
• D) water soluble and charged

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Definitions:

External Acoustic Meatus

The external passage of the ear leading to the tympanic membrane, or eardrum.

Auditory Canal

The tube that runs from the outer ear to the middle ear, transmitting sound waves collected by the ear's auricle (outer part) to the tympanic membrane.

Cochlea

A spiral-shaped cavity in the inner ear that plays a key role in the sense of hearing by converting sound vibrations into electrical signals.

Endolymph

A fluid contained within the membranous labyrinth of the ear, playing a key role in hearing and balance.