A nurse is reinforcing teaching to a newly hired nurse about cystic fibrosis. Which of the following statements should the nurse make?
"The life expectancy for an individual who has this disorder is 25 years of age.”
"This disorder is most common in individuals of Northern European descent.”
"Heart failure will occur at some point during the progression of CF.”
“This disorder occurs when the mother has a mutation of the 7th chromosome.”
The Correct Answer is B
A. "The life expectancy for an individual who has this disorder is 25 years of age." Advances in treatment, including improved respiratory therapies and medications like CFTR modulators, have significantly increased life expectancy. Many individuals with cystic fibrosis (CF) now live into their 40s or beyond, depending on disease severity and access to medical care.
B. "This disorder is most common in individuals of Northern European descent." CF is most prevalent in individuals of Northern European ancestry, affecting about 1 in 2,500 to 3,500 newborns in this population. It is much less common in individuals of African, Asian, or Hispanic descent.
C. "Heart failure will occur at some point during the progression of CF." CF primarily affects the lungs and digestive system due to thick mucus production, but heart failure is not a direct consequence of the disease. However, cor pulmonale (right-sided heart failure) can develop secondary to chronic lung disease and pulmonary hypertension in severe cases.
D. "This disorder occurs when the mother has a mutation of the 7th chromosome." CF is an autosomal recessive disorder, meaning a child must inherit mutated CFTR genes from both parents (not just the mother). The mutation affects the CFTR gene located on chromosome 7, leading to defective chloride transport and thick mucus production.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. "My child should not be involved in their treatment plan." Children, even those who are terminally ill, benefit from age-appropriate involvement in their care. Allowing them to participate in decisions when possible helps reduce anxiety and provides a sense of control.
B. "My child is too young for medication techniques to help with pain." Pain management, including medications and non-pharmacologic methods, is essential for children of all ages. Palliative care ensures comfort, regardless of age.
C. "Hospice will provide my child with spiritual and mental health care." Hospice care addresses the physical, emotional, and spiritual needs of terminally ill children and their families. Counseling, pastoral support, and grief resources are essential components of end-of-life care.
D. "We should not discuss the possibility of death with our child." Open and age-appropriate discussions about death help children understand their condition and process emotions. Avoiding the topic can lead to confusion and increased fear.
Correct Answer is B
Explanation
A. Leukocytes. Leukocytes (white blood cells) are involved in the immune response and are not the primary cells affected in testicular cancer. Cancers of leukocytes include leukemia and lymphoma, not testicular cancer.
B. Germ cells. This is correct. Testicular cancer most commonly arises from germ cells, which are the cells responsible for producing sperm. Germ cell tumors (GCTs) account for over 90% of testicular cancers, including seminomas and non-seminomas.
C. Epithelial cells. Epithelial cells line various tissues and organs, but they are not the primary source of testicular cancer. Epithelial cell cancers, like carcinomas, more commonly affect the skin, lungs, and digestive tract.
D. Lymphocytes. Lymphocytes are a type of white blood cell involved in the immune system. Testicular lymphoma can occur but is rare compared to germ cell tumors, which are the most frequent type of testicular cancer in adolescents and young adults.
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