Canadian Society for Medical Laboratory Science (CSMLS) Practice Exam

What is an example of a macroscopic examination in laboratory sciences?

1. Hematology analysis

2. Gross pathology

3. Cytology

4. Serological testing

The correct answer is: Gross pathology

A macroscopic examination refers to the observation of structures or samples with the naked eye, without the aid of a microscope. This type of examination typically involves assessing size, shape, color, and texture of tissues or specimens, which can provide valuable initial insights into a sample’s characteristics or the presence of disease. Gross pathology is the process where pathologists examine biological tissues, organs, or entire specimens, such as tumors or entire cadavers, to identify abnormalities. This type of examination is crucial for diagnosing diseases, understanding disease progression, and planning treatment strategies based on visible features. In contrast, hematology analysis, cytology, and serological testing are primarily microscopic or analytical techniques that require specialized equipment for detection and measurement. Hematology focuses on blood components usually viewed under a microscope, cytology examines single cells, often requiring staining and microscopy for proper assessment, while serological testing involves analyzing serum for antibodies or antigens, utilizing immunological techniques rather than direct visual assessment. Therefore, gross pathology stands out as a prime example of macroscopic examination in laboratory sciences.