Betty and Bob Are 12-Year-Old Twins

question 80

Multiple Choice

Betty and Bob are 12-year-old twins. Which of the following is probably an accurate statement about their physical development?

• A) Betty may be taller and heavier than Bob.
• B) Bob may be taller and heavier than Betty.
• C) Bob and Betty, because they are twins, should be about the same height and weight.
• D) Betty should be heavier, but Bob should be taller.

---

Definitions:

Rib Cage

The structure formed by the rib bones and connective tissue that encloses and protects the thoracic cavity and organs.

Inspiration

The process of pulling air into the lungs, also used to describe a powerful influence on someone's mind or creativity.

Baseline

An initial set of measurements or data used as a reference point for future comparison.

Preoperative

Refers to the period or activities occurring before a surgical operation.