Based on Normal Aging,which Person Is Most Likely to Be

question 1

Multiple Choice

Based on normal aging,which person is most likely to be in middle adulthood?

• A) Jim, who has experienced a slight decrease in lung capacity and eyesight
• B) Sarah, who has had a gradual decrease in her height
• C) Enzo, who has a 35% reduction in blood flow though the coronary arteries
• D) Carmella; her muscle fibers are decreasing in diameter

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Definitions:

Zone of Calcification

A region in bone growth where cartilage cells are replaced by bone, contributing to bone hardening.

Flat Bones

Flat bones are bones whose principal function is either extensive protection or the provision of broad surfaces for muscular attachment; examples include the skull, ribs, and pelvis.

Epiphyseal Lines

Marks found on bones where growth plates, or epiphyseal plates, have ossified and closed after growth has stopped.

Spongy Bone

A type of bone tissue characterized by a porous, honeycomb structure, found at the ends of long bones and in the inner layers of other bones.