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Laboratory Diagnosis of Cystic Fibrosis (Online CE Course)

(based on 433 customer ratings)

Author: Vicky LeGrys, DA, MT(ASCP)
Reviewer: Rebecca J. Laudicina, PhD, MLS(ASCP)CM

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Continuing Education Credits

P.A.C.E.® Contact Hours (acceptable for AMT, ASCP, and state recertification): 1 hour(s)
Course number 578-026-17, approved through 8/31/2019
Florida Board of Clinical Laboratory Personnel Credit Hours - General (Clinical Chemistry/UA/Toxicology): 1 hour(s)
Course number 20-547767, approved through 9/1/2018

Objectives

  • Describe the clinical presentation of cystic fibrosis (CF).
  • Describe how mutations in the CF gene lead to the clinical manifestations of the disorder.
  • Outline the laboratory diagnosis of CF to include newborn screening, the sweat test, and DNA testing.
  • Describe the components of a quantitative sweat chloride test to include reference ranges.
  • Compare screening sweat tests to confirmatory sweat tests.
  • Discuss the current treatment options for CF.

Customer Ratings

(based on 433 customer ratings)

Course Outline

Click on the links below to preview selected pages from this course.
  • Introduction to Cystic Fibrosis
      • Course Introduction
  • The History of CF
  • Pathophysiology of CF
      • Pathophysiology of CF
      • Mutations of Cystic Fibrosis Transmembrane Conductance Regulator (CFTR)
      • CF is due to a defect in a protein which functions as a(n):
  • Clinical Presentation
      • Overview of Clinical Characteristics
      • Pulmonary Disease
      • Pancreatic Disease
      • Sweat Gland Involvement
      • Gastrointestinal and Liver Disease
      • Reproductive System
      • Which of the following pathogens is associated with CF pulmonary disease?
      • Which of the following statements concerning the sweat of patients with CF is TRUE?
  • Laboratory Diagnosis of CF
      • Laboratory Diagnosis of CF
      • Newborn Screening (NBS) in the United States
      • DNA Testing
      • Why do patients with a positive newborn screening test for CF require confirmation of the diagnosis?
    • Sweat Testing
  • Treatment
      • Treatment
      • Treating the Symptoms
      • Treating the Protein Defect
      • Gene Replacement
      • Which of the following statements are TRUE concerning medications that treat the protein defect in CF?
  • Summary
  • References
      • References

Additional Information

Level of instruction: Intermediate

Intended Audience: Medical laboratory scientists, medical technologists, and technicians. This course is also appropriate for medical laboratory science students and pathology residents.

Author information: Vicky LeGrys, DA, MT(ASCP) is a professor in the Division of Clinical Laboratory Science in the School of Medicine at the University of North Carolina Chapel Hill where she is responsible for the lecture and laboratory courses in Biochemistry, Clinical Chemistry, and Quality Assurance. She holds a Doctorate of Arts and a Master of Science in Medical Technology from Catholic University of America, Washington DC with a major in Clinical Chemistry.
 
Reviewer information: Rebecca J. Laudicina, PhD, MLS(ASCP)CM is Professor Emeritus in the Division of Clinical Laboratory Science at The University of North Carolina at Chapel Hill’s School of Medicine. She obtained a Master of Education and PhD in Educational Psychology from Temple University. She is the author of numerous hematology-related publications.

Sweat gland Normal CF
clinical characteristics
CFTR mutant
collection of sweat into macroduct_edit
digital chloridometer_edit
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Sweat gland Normal CF


clinical characteristics


CFTR mutant


collection of sweat into macroduct_edit


digital chloridometer_edit