Cystic Fibrosis, Bronchiectasis Flashcards
(48 cards)
What is Cystic Fibrosis (CF)?
An inherited autosomal recessive disease caused by a single gene defect on chromosome 7
What does the CFTR gene encode?
The cystic fibrosis membrane conductance regulator, a transmembrane protein involved in ion transport
What is a common diagnostic test for Cystic Fibrosis performed on newborns?
Heel prick test
What does the sweat test measure in suspected CF patients?
Chloride concentration in sweat
What are some common symptoms of Cystic Fibrosis in the lungs?
- Persistent cough
- Wheezing
- Shortness of breath
- Recurring lung infections
What causes pancreatic insufficiency in CF patients?
Abnormal ion transport leading to dehydration of pancreatic secretions
What is a significant consequence of the CFTR protein defect?
Impaired transport of chloride ions
True or False: There is a cure for Cystic Fibrosis.
False
What is the typical life expectancy for individuals with Cystic Fibrosis?
About half will live past the age of 40
What are some gastrointestinal symptoms of Cystic Fibrosis?
- Large smelly stools
- Malnutrition
- Poor weight gain
What is Meconium Ileus?
A serious bowel obstruction occurring in about 10% of newborns with CF
What types of treatments are available for Cystic Fibrosis?
- Bronchodilators
- Antibiotics
- Mucolytics
- Digestive enzymes
What is the role of the CFTR protein?
Controls the flow of water and chloride ions between membranes
What are some common additional symptoms in CF patients?
- Diabetes
- Sinusitis
- Infertility
What is the impact of CF on the liver?
Cirrhosis due to abnormal ion transport
What physiological changes can occur in the musculoskeletal system of CF patients?
- Inspiratory muscle atrophy
- Weakness in anti-gravity muscles
- Kyphosis of the spine
What is the significance of carrier testing for Cystic Fibrosis?
Determines if someone is a carrier of the faulty gene
Fill in the blank: CF patients often experience _______ due to the absence of vas deferens.
Infertility
What is the relationship between CF and sodium absorption?
High sodium sweat due to chloride ions not being absorbed
What is the typical cause of death in CF patients?
Lung complications
What management strategies are important for CF?
- Physiotherapy
- Medication
- Dietary advice
- Exercise
What is a common psychological impact of living with Cystic Fibrosis?
Psychological support is often needed
What is pneumonia?
An inflammatory condition of the lung leading to abnormal alveolar filling with consolidation and exudation.
What are the four stages of pneumonia?
- Congestion
- Red Hepatization
- Gray Hepatization
- Resolution