Certain Drugs Are Not Able to Pass from the Bloodstream

question 1

Multiple Choice

Certain drugs are not able to pass from the bloodstream into the CNS because of the unique structure and function of the CNS capillaries,known commonly as the

• A) blood-brain barrier
• B) circle of Willis
• C) glomerulus
• D) septum pellucidum
• E) corpus callosum

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Definitions:

Semi-Fowler's Position

A position in which a person sits on the bed with the head of the bed raised to between 15 and 45 degrees, commonly used to promote comfort and respiratory function.

Fowler's Position

A semi-upright sitting position where the patient is typically at a 45- to 60-degree angle, used to promote comfort and respiratory function.

Abrasion

An injury caused by scraping or wearing away of the skin's surface, often resulting from friction or a minor accident.

Papulopustular

Relating to a type of acne characterized by the presence of both papules (small, raised bumps) and pustules (pus-filled lesions) on the skin.