Please Read the Clinical Scenario, and Then Answer the Question

question 48

Multiple Choice

Please read the clinical scenario, and then answer the question that follow to become familiar with the traditional NCLEX question format.
JV is a 16-year-old male with cystic fibrosis. He has been admitted several times to your pulmonary inpatient unit with multiple microorganism infections, including Pseudomonas and H. influenza. Because of the thickness of his mucous secretions, his cilia become immobile and unable to clear his lungs of bacteria harboring mucus. He is supposed to perform vigorous airway mucous clearance at home with a vibrating vest and IPV (intrapulmonary percussive ventilation) device. However, he says that it takes hours and he does not always feel sick. Therefore, he often refuses to do his therapies at home.
-JV is very intelligent and realizes that he needs to be more diligent with his mucus clearing exercises.He asks you if it is okay if he only does his exercises when he is not feeling well,even though the doctor tells him he must do them every day.What is a correct response?

• A)"It's okay to not do them if you're not feeling sick.Your body will protect itself."
• B)"Your body doesn't have the ability to protect itself because of its damaged immunity.You must do your exercises regularly."
• C)"As long as you do them twice as much when you start to feel sick,you'll make up the difference."
• D)"Probably the doctor is overreacting.Do them half as much and you should be fine."

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Definitions:

Directional Selection

A type of natural selection in which one extreme phenotype is favored over other phenotypes, causing the allele frequency to shift over time in the direction of that phenotype.

Selection Differential

A measure of the difference between the mean phenotype of the selected parents and the mean phenotype of the general population.

Narrow Sense Heritability

A measure of how much of the variance in a trait among individuals in a population is due to additive genetic factors.

Neck Length

A physical trait referring to the distance from the base of an animal's skull to its shoulders, significant in studies of natural selection and adaptation.