Clinical Laboratory Procedures and Specimen Collection Quiz

Lavender top tube is commonly used for CBC as it contains EDTA, an anticoagulant preserving blood cell morphology.

EDTA is commonly found in a lavender top tube, which is used for preserving blood cell morphology in CBC.

Serum creatinine and blood urea nitrogen (BUN) tests are used to assess kidney function, indicating the kidneys' ability to filter waste from the blood.

Sputum culture helps identify bacteria causing respiratory infections, guiding appropriate antibiotic therapy.

Hemoglobin A1c test is commonly used to diagnose and monitor diabetes mellitus by assessing average blood sugar levels over the past few months.

Fecal occult blood test (FOBT) is used to detect the presence of blood in the stool, which can indicate various gastrointestinal conditions, including colorectal cancer.

Blood smear is used to visualize blood cell morphology, aiding in the diagnosis of various blood disorders.

Collecting urine midstream helps minimize contamination, ensuring accurate culture and sensitivity testing for urinary tract infections.

Arterial blood gas samples should be transported on ice to preserve gas composition, ensuring accurate analysis of respiratory and metabolic function.

Synovial fluid analysis is performed to evaluate joint inflammation or infection, aiding in the diagnosis and management of joint disorders.

Urine specimen should be collected first during a multiple specimen collection procedure to minimize contamination from other specimens.

Cerebrospinal fluid (CSF) analysis is performed to evaluate central nervous system disorders, including infections, bleeding, and neurological conditions.

Throat swab culture helps identify bacteria responsible for respiratory infections, aiding in appropriate treatment selection.

Iron studies, including serum iron, total iron-binding capacity (TIBC), and ferritin levels, are used to detect anemia and determine its underlying cause.

Thyroid-stimulating hormone (TSH) test is used to assess thyroid function by measuring the level of TSH, which regulates thyroid hormone production.

Liver function tests, including alanine aminotransferase (ALT), aspartate aminotransferase (AST), alkaline phosphatase (ALP), and bilirubin levels, are used to assess liver function and diagnose liver diseases.

Amylase test is used to assess pancreatic function by measuring the level of amylase enzyme, which is elevated in pancreatic disorders such as pancreatitis.