What pattern of inheritance applies to Cystic Fibrosis?
Mitochondrial
X-linked dominant
Autosomal recessive
Autosomal dominant
The Correct Answer is C
(A) Mitochondrial: CF is not maternally inherited through mitochondrial DNA.
(B) X-linked Dominant: CF does not involve the X chromosome.
(C) Autosomal Recessive: Cystic fibrosis (CF) occurs when an individual inherits two mutated copies of the CFTR gene (one from each parent). Both parents must be carriers for a child to develop the disease.
(D) Autosomal Dominant: CF requires two copies of the mutated gene, unlike dominant disorders that require only one.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
(A) Hyponatremia: SIADH leads to excess ADH secretion, causing water retention, dilution of sodium levels, and hyponatremia.
(B) Hypokalemia: SIADH does not primarily affect potassium.
(C) Hypernatremia: Excess ADH dilutes sodium, leading to low sodium levels, not high.
(D) Hyperkalemia: SIADH primarily causes hyponatremia, not potassium imbalances.
Correct Answer is C
Explanation
(A) Mannitol: Osmotic diuretic, does not significantly lower potassium.
(B) Calcium Carbonate: Used for hypocalcemia, not hyperkalemia.
(C) Glucose & Insulin: Insulin drives potassium into cells, reducing serum potassium levels. Glucose is given to prevent hypoglycemia.
(D) Metoprolol: Beta-blocker, does not directly lower potassium.
Whether you are a student looking to ace your exams or a practicing nurse seeking to enhance your expertise , our nursing education contents will empower you with the confidence and competence to make a difference in the lives of patients and become a respected leader in the healthcare field.
Visit Naxlex, invest in your future and unlock endless possibilities with our unparalleled nursing education contents today
Report Wrong Answer on the Current Question
Do you disagree with the answer? If yes, what is your expected answer? Explain.
Kindly be descriptive with the issue you are facing.