Based on the 2009 Kaiser Family Foundation Survey,adding Up the Daily

question 142

Multiple Choice

Based on the 2009 Kaiser Family Foundation survey,adding up the daily media use figures to obtain weekly media use leads to almost _____ hours a week by 15- to 18-year-olds.

• A) 70
• B) 60
• C) 56
• D) 84

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Definitions:

Sarcoplasmic Reticulum

A specialized type of smooth endoplasmic reticulum found in muscle fibers, critical in regulating calcium ions and thus muscle contraction.

T-tubules

Tubular extensions of the cell membrane in muscle cells, transmitting electrical signals from the surface to the interior of the muscle fiber.

Femoris

Refers to muscles located in the thigh, typically pertaining to parts of the quadriceps, such as the quadratus femoris or biceps femoris.

Femur

The longest and strongest bone in the body, extending from the hip to the knee.