What Conclusions Can You Draw from the Following Data, Obtained

question 52

Multiple Choice

What conclusions can you draw from the following data, obtained on a 67-year-old, 76-kg man admitted for pulmonary complications arising from silicosis? $\begin{array}{|l|l|l|l|l|l|l|l|}\hline& \text { ACTUAL } & \text { PRED } & \% \text { PRED } && \text { ACTUAL } & \text { PRED } & \% \text { PRED } \\\hline \text { TLC } & 4.34 & 7.73 & 56 \% & \text { FVC } & 2.86 & 4.74 & 60 \% \\\hline \text { FRC } & 1.73 & 4.36 & 40 \% & \% \text { FEV }_{1} & 96 \% & 83 \% & \\\hline \text { RV } & 1.45 & 2.63 & 55 \% & \text { FEF }_{200-1200} & 6.89 & 6.71 & 103 \% \\\hline \text { VC } & 2.89 & 4.74 & 61 \% & \text { FEF }_{25 \%-75 \%} \% & 2.78 & 2.88 & 96 \% \\\hline\end{array}$

• A)Results indicate generalized airway obstruction.
• B)Results indicate normal pulmonary function.
• C)Results indicate a combined disease process.
• D)Results indicate a restrictive lung disorder.

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Definitions:

Macrophages

A variant of white blood cell that is specialized in ingesting and decomposing cellular remnants, alien substances, pathogens, and cancerous cells by means of a procedure referred to as phagocytosis.

Arrector Pili

Small muscles attached to hair follicles that, when contracted, cause hair to stand on end - a phenomenon often associated with cold or fright, known as "goosebumps."

Dermal Root Sheath

The part of the hair follicle that provides a protective layer and is involved in hair growth, derived from the dermis.

Papillary Layer

The uppermost layer of the dermis, directly underneath the epidermis, rich in blood vessels and sensory neurons.