OSMT (Ontario Society of Medical Technologists) Practice Exam

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What specimens are most frequently collected in laboratories?

Feces, CSF, semen
Blood, urine, swabs for culture
Swabs for culture, tissue samples, amniotic fluid
Blood, urine, feces

The correct answer is: Blood, urine, swabs for culture

The choice indicating that blood, urine, and swabs for culture are the specimens most frequently collected in laboratories is accurate. Blood is a critical specimen used across multiple diagnostic tests, including blood counts, chemistry panels, and serology. Urine testing is also highly common, particularly for routine screenings, drug tests, and diagnostics associated with kidney function or urinary tract infections. Swabs for culture are essential for identifying infectious agents in various body sites, such as the throat, nose, or wounds, making them integral for diagnosing bacterial, viral, and fungal infections. The other options, while including important specimens, do not encompass the frequency with which blood and urine are commonly collected in laboratory settings. Feces and CSF, while significant in specific contexts (e.g., gastrointestinal disorders or Neurology), are collected less frequently compared to blood and urine. Similarly, while swabs for culture and tissue samples are important, they do not match the routine frequency of blood and urine collection across general laboratory practices.