When Zoe, Aged 75, Goes Down the Stairs, She Moves

question 132

Multiple Choice

When Zoe, aged 75, goes down the stairs, she moves slowly and cautiously because she is afraid of falling and ending up in a nursing home. Zoe is:

• A) acting appropriately.
• B) being overly paranoid.
• C) making her condition worse.
• D) especially concerned about breaking an arm.

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Definitions:

Vascular System

The network of blood vessels in the body, including arteries, veins, and capillaries, which circulate blood.

Peristalsis

The wave-like muscle contractions that move food through the digestive tract.

Continuous Capillaries

Microscopic blood vessels with uninterrupted endothelial linings, allowing for the controlled exchange of substances.

Fenestrated Capillaries

These are specialized capillaries with pores in their endothelial lining, allowing for the efficient exchange of larger molecules like proteins.