A client is inquiring about the genetic basis of cystic fibrosis (CF). Which statement by the nurse provides an accurate explanation?

"CF is caused by a dominant genetic mutation that always manifests in affected individuals."

"CF results from the presence of two recessive genetic mutations, one inherited from each parent."

"CF is due to a spontaneous genetic mutation that occurs during a person's lifetime."

"CF is exclusively caused by environmental factors and is not related to genetics."

Answer and Explanation

The Correct Answer is B

A) Incorrect. CF is an autosomal recessive genetic disorder, meaning that both copies of the CFTR gene must carry a mutation for the condition to manifest.

B) Correct. CF is caused by the inheritance of two recessive genetic mutations, one from each parent, resulting in defective CFTR protein function.

C) Incorrect. CF is primarily a genetic disorder present from birth, not one caused by spontaneous mutations during a person's lifetime.

D) Incorrect. CF is primarily a genetic disorder with well-established genetic mutations associated with its development.

Nursing Test Bank

Quiz #1: RN Exams Pharmacology Exams Quiz #2: RN Exams Medical-Surgical Exams Quiz #3: RN Exams Fundamentals Exams Quiz #4: RN Exams Maternal-Newborn Exams Quiz #5: RN Exams Anatomy and Physiology Exams Quiz #6: RN Exams Obstetrics and Pediatrics Exams Quiz #7: RN Exams Fluid and Electrolytes Exams Quiz #8: RN Exams Community Health Exams Quiz #9: RN Exams Promoting Health across the lifespan Exams Quiz #10: RN Exams Multidimensional care Exams

Get 100+ Naxlex Exit Exams for $79 Try Naxlex NCLEX-RN (14 Day Free-Trial)

Naxlex Comprehensive Predictor Exams

Quiz #1: Naxlex RN Comprehensive online practice 2019 B with NGN Quiz #2: Naxlex RN Comprehensive Predictor 2023 Quiz #3: Naxlex RN Comprehensive Predictor 2023 Exit Exam A Quiz #4: Naxlex HESI Exit LPN Exam Quiz #5: Naxlex PN Comprehensive Predictor PN 2020 Quiz #6: Naxlex VATI PN Comprehensive Predictor 2020 Quiz #8: Naxlex PN Comprehensive Predictor 2023 - Exam 1 Quiz #10: Naxlex HESI PN Exit exam Quiz #11: Naxlex HESI PN EXIT Exam 2

Free Nursing Study Resources

Correct Answer is C

Explanation

A) Incorrect. Both partners having a family history of CF increases the likelihood of carrying CF gene mutations, making it possible for their child to inherit the condition.

B) Incorrect. Having a single CF gene mutation (carrier status) does not guarantee that a child will develop CF; it requires inheriting two CF gene mutations, one from each parent.

C) Correct. CF is an autosomal recessive genetic disorder, which means that a child will have CF only if they inherit two copies of the CF gene mutation, one from each parent.

D) Incorrect. The risk of a child having CF is determined by both parents' genetic history, not solely the mother's.

A. Genetic testing B. Sweat chloride test C. Chest X-ray D. Pulmonary function test

Correct Answer is B

Explanation

A) Incorrect. Genetic testing can confirm CF but is not typically the initial diagnostic test used in infants with symptoms suggestive of CF.

B) Correct. The sweat chloride test is often used as the initial diagnostic test to assess for CF in infants who exhibit symptoms.

C) Incorrect. Chest X-rays may be used to assess lung changes in individuals with CF but are not typically the initial diagnostic test in infants.

D) Incorrect. Pulmonary function tests are used to evaluate lung function but are not typically the initial diagnostic test for CF in infants.

View Question and Answer

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

A client is inquiring about the genetic basis of cystic fibrosis (CF). Which statement by the nurse provides an accurate explanation?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse is counseling a couple planning to start a family, and both partners have a family history of cystic fibrosis (CF). What should the nurse advise the couple regarding the genetic risk of having a child with CF?

Correct Answer is C

Explanation

A nurse is explaining the diagnostic process for cystic fibrosis (CF) to a client and their family. What initial diagnostic test is often used to assess CF in infants who exhibit symptoms suggestive of the condition?

Correct Answer is B

Explanation

A nurse is explaining the pathophysiology of cystic fibrosis (CF) to a newly diagnosed patient. Which statement accurately describes the genetic basis of CF?

A nurse is explaining the typical clinical manifestations of cystic fibrosis (CF) to a newly diagnosed adolescent client. Which symptom should the nurse emphasize as a hallmark of CF?

A nurse is educating a client about the diagnostic evaluation of cystic fibrosis (CF). What test is commonly used to screen for CF in newborns shortly after birth?

A nurse is assessing a client with cystic fibrosis (CF). What respiratory symptom should the nurse expect to find in a client with advanced CF-related lung disease?

A nurse is discussing the pathophysiological consequences of cystic fibrosis (CF) with a client. Which of the following best describes how CF affects the respiratory system?

A nurse is discussing the role of genetic testing in cystic fibrosis (CF) diagnosis with a client. What should the nurse emphasize regarding the importance of genetic testing for CF?

A nurse is discussing nutritional management with a client who has cystic fibrosis (CF). What dietary recommendation should the nurse emphasize to optimize nutritional intake in individuals with CF?

A nurse is educating a client about the inheritance pattern of cystic fibrosis (CF). What information should the nurse provide regarding the likelihood of a child developing CF if both parents are carriers?