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- Phases of Clinical Laboratory Testing
- Patient Identification
- Proper Patient Identification is Crucial
- Variables Related to Patient Preparation
- Medications and Supplements
- Hydration and Dehydration
- Stress affects the production of many hormones and neurotransmitters and may impact some laboratory test values. Which of the following methods will h...
- Variables Related to Blood Sample Collection
- The Blood Collection Process
- Patient Position
- Venipuncture Technique
- Site Cleansing/Disinfecting
- Needle Gauge
- Tube Mixing
- Tube Type and Collection Volume
- Order of Draw
- Traumatic Draw
- Intravenous Solutions
- Which of these variables related to the collection of blood may falsely increase the plasma potassium level, if the potassium sample is collected usin...
- Variables Related to Urine Sample Collection
- Preservatives Used for Urine Collection
- Timed Urine Samples
- Incomplete Urine Collection
- Dilutional Effect on Urinary Markers
- Contamination of Urine Samples
- A 24-hour urine collection should include the first morning void on day one of the collection and the first morning void on day two of the collection.
- Variables Related to Sample Transport
- Transport Time
- Transport Temperature
- Mechanical Transport
- When the transport time may be prolonged for circumstances beyond the control of the laboratory, the integrity of the sample may be preserved by keepi...
- Variables Related to Sample Handling
- Variables Related to Sample Preparation
- Variables Related to Sample Storage
- Storage Time
- Storage Temperature
- Freeze-Thaw Cycling
- Which analyte may be falsely decreased due to a delay in transport time to the laboratory?
- The Matrix Interferents
- The Matrix Interferents
- Among the most common matrix interferents in blood, which is considered to be the most preventable with precautions taken during sample collection and...
- Investigating Unanticipated Analytical Findings
Level of instruction: Basic
Intended Audience: This course is intended for phlebotomists, phlebotomy supervisors, patient care coordinators, medical laboratory technicians, medical laboratory scientists, laboratory supervisors, managers and directors. This course is also appropriate for medical laboratory science students and pathology residents.
Author Information: Jack A. Maggiore, PhD, MT(ASCP) serves as the Assistant Laboratory Director of Chemistry and is Head of Research and Development at Doctor's Data, Inc. in Saint Charles, Illinois. Dr. Maggiore is a medical technologist, certified by the ASCP, with a Master of Science in Clinical Chemistry and Doctorate in Pathology from the University of Illinois. His expertise includes clinical instrumentation, method development and validation, quality assurance, medical device clinical trials, and scientific regulatory affairs. His clinical research interests include development of novel biomarkers for chronic diseases using blood spots and other non-conventional samples. Dr. Maggiore holds several medical device patents, has authored more than fifty peer-reviewed and invited publications and textbook chapters, and has presented his research findings at international scientific society meetings. Dr. Maggiore's mission is to work with health care professionals to empower consumers to take a more active role in their health maintenance.
Reviewer information: Lisa Dewey, MT(ASCP) is the Quality Manager at Doctor's Data, Inc. and has been a medical technologist since 1990. She obtained a BS in Clinical Laboratory Science from the University of Illinois at Chicago. Lisa has experience working in various specialties in hospital and clinic laboratories, research & development, laboratory management, and a commercial laboratory specializing in dried blood spot testing.