Interpretive Exercise Kelsey and Kyle Are Middle School Students.Kelsey Lost Her Vision

question 16

Multiple Choice

Interpretive Exercise
Kelsey and Kyle are middle school students.Kelsey lost her vision as a newborn when she was administered excessive concentrations of oxygen to prevent brain damage.Although she can detect light,she is unable to use sight for learning.Kyle has myopia that is partially corrected by glasses.In fourth grade,his vision began to deteriorate due to retinitis pigmentosa.With glasses,his vision is 20/100 with a field that subtends an angular distance of 15 degrees.
-Kyle's vision difficulties lie mainly in the area of

• A)acuity.
• B)field.
• C)efficiency.
• D)light sensitivity.

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Definitions:

Periosteum

A dense, fibrous membrane covering the outer surface of bones, providing nourishment and involved in bone growth and repairing.

Synovial Cavity

A fluid-filled space that exists between bones that are encapsulated by a synovial membrane, aiding in smooth movement of the joints.

Articular Surfaces

The surfaces of bones that come into contact with one another to form joints, often covered with cartilage to reduce friction.

Sesamoid Bone

A small, round bone embedded within a tendon; its primary function is to protect tendons and increase their mechanical advantage.