#1
Which gene mutation is primarily responsible for cystic fibrosis?
CFTR gene
ExplanationMutation in CFTR gene leads to dysfunctional chloride channels.
#2
What is the most common symptom of cystic fibrosis?
Salty-tasting skin
ExplanationDue to high salt concentration in sweat.
#3
What is the mode of inheritance of cystic fibrosis?
Autosomal recessive
ExplanationBoth parents must carry the faulty gene.
#4
Which diagnostic test is commonly used to confirm cystic fibrosis?
Sweat chloride test
ExplanationElevated chloride levels indicate the presence of cystic fibrosis.
#5
What is the average life expectancy for individuals with cystic fibrosis?
40-50 years
ExplanationAdvancements in treatment have increased life expectancy.
#6
What is the main cause of pancreatic insufficiency in cystic fibrosis?
Obstruction of pancreatic ducts by mucus
ExplanationMucus blocks pancreatic enzymes from reaching the intestines.
#7
Which of the following is NOT a potential complication of cystic fibrosis?
Type 1 diabetes
ExplanationCF is not directly linked to Type 1 diabetes.
#8
Which of the following is a treatment option for cystic fibrosis?
Bronchodilator medications
ExplanationHelps to widen airways and ease breathing.
#9
Which of the following is NOT a characteristic feature of cystic fibrosis?
Hypertension
ExplanationHypertension is not typically associated with CF.
#10
Which organ systems are primarily affected by cystic fibrosis?
Respiratory and gastrointestinal systems
ExplanationCF affects primarily the lungs and digestive system.
#11
How does cystic fibrosis affect fertility in males?
Blocks the vas deferens
ExplanationCaused by thickening of seminal fluid.
#12
What is the gold standard method for diagnosing cystic fibrosis?
Genetic testing
ExplanationIdentifies specific mutations in CFTR gene.
#13
What is the primary defect in cystic fibrosis?
Defective mucus production
ExplanationResults in thick, sticky mucus.
#14
Which of the following organs is NOT affected by cystic fibrosis?
Kidneys
ExplanationKidneys are not typically affected.
#15
Which of the following is NOT a symptom of cystic fibrosis-related liver disease?
Frequent urination
ExplanationFrequent urination is not a common symptom.