A Company Interested in the Health of Its Employees Started

question 22

Multiple Choice

A company interested in the health of its employees started a health program including monitoring blood pressure. Based on age, employees were categorized according to ranges of blood pressure by age intervals. Data are shown in the table below. . $$\begin{array}{l}\begin{array} { | c | c | c | c | c | } \hline & { \text { Age } } & \\\hline \text { BP } & \text { Under 30 } & \mathbf { 3 0 } - \mathbf { 4 9 } & \text { Over 50 } & \text { Total } \\\hline \text { Low } & 27 & 38 & 31 & 96 \\\hline \text { Normal } & 48 & 90 & 92 & 230 \\\hline \text { High } & 23 & 59 & 72 & 154 \\\hline \text { Total } & 98 & 187 & 195 & 480 \\\hline\end{array}\\\text { The percentage of employees with normal or low blood pressure is }\end{array}$$

• A) 67.9% (326/480).
• B) 47.9% (230/480).
• C) 41.7% (96/230).
• D) 80.0% (384/480).
• E) 20.0% (96/480).

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Definitions:

Epiblast Cells

Cells in the early embryo that give rise to the tissues of the body.

Mesoderm

Middle of the three germ layers of an embryo.

Mesoderm

The middle layer of an embryo in early development, which gives rise to muscles, bones, and circulatory and excretory systems.

Epiblast Cells

The cells in the early embryo that give rise to all of the body's tissues and organs during development.