A Study,conducted by Jackson Et Al

question 51

Multiple Choice

A study,conducted by Jackson et al.and published in the journal Cancer Causes and Control in 2009,examined 33,938 women aged 40 to 84 years old who resided in California and who reported having had a mammogram within the last 2 years.The researchers were interested in characteristics of women who routinely obtain mammograms,as suggested by the American Cancer Society,to detect breast cancer.The table below provides a column that refers to the sample size and provides characteristics of the 33,938 women who were included in the study who reported having had a mammogram. What proportion of the sample had a household income below $35K?

• A)13,164/33,938
• B)33,938/13,164
• C)13,164
• D)33,938

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Definitions:

Germ Layer

One of the primary layers of cells (endoderm, mesoderm, ectoderm) in the early embryo that gives rise to all tissues and organs of the organism.

Sense Organs

Specialized structures in organisms that respond to external stimuli such as light, sound, touch, and chemicals, enabling perception.

Ectoderm

The outermost layer of cells or tissue of an embryo in early development, or the parts derived from this, which include the epidermis, nerve tissue, and neural crest.

Germ Layer

The three primary layers of cells (ectoderm, mesoderm, and endoderm) in the early embryo that give rise to all organs and tissues in the body.