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MACC Body Fluids
Question | Answer |
---|---|
What is an Efffusion? | An accumulation of fluid in a body cavity |
What samples are cytotocentrifuged? | Used with sample that have low cell counts - body fluids |
What crystals can be identified by compensated polarized microscopy? | Monosodium urates (uric acid)and calcium pyrophosphate |
What crystals in synovial fluid have birefringence? | Monosodium urates (uric acid)and calcium pyrophosphate |
What is the function of cerebrospinal fluid? | Protection of the brain and spinal cord, lubrication, nutrient and metabolic waste exchange fluid |
What are mesothelial cells? | Epithelial cells that originate from the mesoderm line that line the area the CSF flow. |
What is the procedure to obtain spinal fluid? | Lumbar Puncture |
If there there three tube collected for a CSF analysis, which tubes should be given to what departments? | #1 - Chemistry #2 - Microbiology #3 - Hematology |
What should normal CSF look like? | Clear and colorless |
What is Pleocytosis? | This is the term given to an increased amount of WBC's in a body fluid |
After collection, how soon should a CSF be tested? | It should be tested as soon as possible |
If the spinal fluid has a clot, what is this a sign of? | Traumatic tap |
What is xanthochromic? | When the CSF is yellow |
If the first CSF tube has more red cells than the last tube, what is assumed about this spinal fluid? | That the collection was a traumatic tap and the red cells are not in the spinal fluid of the patient |
If as CSF is collected within the first four hours of a subarachnoid hemorrhage, what color will the CSF be? | The CSF will appear to be a pale pink to red, depending on the degree of hemorrhage |
What blood cell line are macrophages related to? | Monocytes |
What conditions would cause a low CSF protein? | Conditions were there is a leakage of CSF |
If a CSF has a high protein and a low glucose, what diagnosis is suspected? | Bacterial Meningitis |
What effusion is due to various systemic disorders that disrupt fluid filtration and/or fluid absorption such as congestive heart disease? | Transudate |
What effusion occurs during an inflammatory processes that results in damage to blood vessel walls, body cavity membrane damage, or decreased reabsorption by the lymphatic system? | Exudate |
Where is the Pericardial fluid from? | This fluid is from around the heart |
What is collected during a thoracentesis? | Pleural fluid is collected |
What does normal pleural fluid look like? | Pale yellow and clear |
What is ascites | Peritoneal fluid |
How soon after collection should sperm analysis be started? | one hour after collection |
What preparation should the patient make before sperm analysis? | Sperm should be collected after 48 to 72 hours of abstinence from sexual activity |
What are some common tests preformed on sperm? | Color, Appearance, Volume, Viscosity, Concentration, Motility, Morphology and pH |
How soon after a vasectomy should testing for sperm start? How long do they continue? | Specimens are routinely tested starting 2 months post-vasectomy and continuing until two consecutive monthly specimens show no sperm |
When testing for sperm in a post vasectomy patient, how should you look at the sample? | Examine the sperm directly and concentrated (centrifuged) |
What are the parts of a sperm cell? | Head, neck, acrosome and tail |
What disease is the fecal occult blood test a screen for? | Colorectal cancer |
What patient preparations should be done before using the Guaiac-based fecal blood testing? | Abstain from interfering substances - meat, aspirin, anticoagulants, etc |
What patient preparations should be done before using the Immunochemical-based occult blood testing? | None |
What test is considered the best test for fetal lung maturity on ammiotic fluid | Lecithin:sphingomyelin ratio - L/S ratio |
What are lamellar bodies? | They are storage forms of lung phospholipids from the fetus |