Why Might It Be a Bad Idea to Think of Obesity

question 156

Multiple Choice

Why might it be a bad idea to think of obesity as a genetic defect?

• A) Some people lack adipose cells altogether but still become obese.
• B) Obesity is too rare.
• C) All people seem to be equally sensitive to leptin, a chemical secreted by fat cells.
• D) The genes leading to fat storage may have conferred a survival advantage: They were assets for our ancestors, not defects.

Understand the structure-function relationship of muscle components.

Identify the role and mechanism of action of acetylcholine in muscle function.

Explain the significance of T-tubules and the sarcoplasmic reticulum in muscle contraction.

Recognize the components and organization of the myofibril.

---

Definitions:

Ribs Articulate

The connection of ribs to the spine and sternum that allows for their movement, facilitating breathing.

Transverse Foramina

Holes in the transverse processes of the cervical vertebrae through which the vertebral artery passes to supply blood to the brain.

Cervical Vertebrae

The seven vertebrae that form the upper part of the spine in the neck region.

First Cervical

Referring to the first cervical vertebra (C1), also known as the atlas, which supports the skull and enables head movements.