You Have the Following Known Facts: Smoking Causes Accumulation of Materials

question 23

Multiple Choice

You have the following known facts: Smoking causes accumulation of materials in the lungs,thereby decreasing oxygen-absorbing capability of the lungs.Long-term smoking causes more accumulation of materials in the lungs.Decreased lung capacity increases the workload of the heart.Which of the following hypotheses can you make from these observations?

• A) People who never smoke will never develop lung problems.
• B) Long-term smokers have poorer heart health than nonsmokers.
• C) New smokers have poorer heart health than long-term smokers.
• D) Stopping smoking eliminates lung problems within two years.
• E) Stopping smoking eliminates heart problems within two years.

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Definitions:

Primary Xylem

The first-formed xylem in a plant, responsible for water and mineral transportation, and it contributes to the plant's structural support.

Bulb

is a plant organ of perennation, consisting of a short stem with fleshy leaves or leaf bases that function as food storage during dormancy.

Root Hairs

Small hair-like outgrowths from a plant root that increase the surface area for water and nutrient absorption.

Endodermis

The innermost layer of cells in the root cortex that regulates the transfer of water and nutrients from the soil into the vascular system of plants.