Consider the Observation That People Who Eat an Apple Each

question 86

Multiple Choice

Consider the observation that people who eat an apple each day have fewer visits to a doctor. Which of the following would represent the third variable that explains the negative correlation in this statement?

• A) The high levels of vitamins in apples
• B) The overall more nutritious diets of people who regularly consume apples
• C) The ages of the apple eaters
• D) The types of apples consumed

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Definitions:

Respiratory Pump

A mechanism involving the muscles of the thorax and abdomen, which helps in moving air in and out of the lungs during breathing.

Diaphragm

a large, dome-shaped muscle located at the base of the lungs that plays a crucial role in breathing.

Venous Return

The flow of blood back to the heart through the veins, crucial for maintaining cardiovascular circulation.

Palpated

The act of examining or exploring by touch, especially used in a medical context to detect characteristics or abnormalities of an organ.