A Sputum Sample from a Patient Has Been Sent to the Laboratory

question 13

Multiple Choice

A sputum sample from a patient has been sent to the laboratory for analysis. Which of the following findings could help confirm the diagnosis of extrinsic asthma?

• A) Increased IgE level
• B) Increased erythrocyte count
• C) Colonization of Pseudomonas aeruginosa
• D) Decreased IgE level

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Definitions:

Lateral Geniculate Nucleus

A structure in the thalamus that acts as a relay center for visual information received from the retina to the visual cortex.

Trichromatic Theory

A theory explaining the color vision process in humans, suggesting that the retina contains three types of color receptors sensitive to different wavelengths: red, green, and blue.

Opponent Process Theory

A psychological and neurological model that accounts for a wide range of behaviors, including color vision and emotions, by proposing that opposite actions are involved in perception.

Top-down Processing

A cognitive process that emphasizes the importance of concepts, expectations, and memory in understanding and processing environmental stimuli.