Please Read the Clinical Scenario, and Then Answer the Question

question 87

Multiple Choice

Please read the clinical scenario, and then answer the question that follow to become familiar with the traditional NCLEX question format.
An 18-month-old male is admitted to the hospital with symptoms of a respiratory infection. The patient’s mother reports that since birth, the toddler has frequently had a cough and copious nasal secretions. His weight gain has been poor, despite adequate oral intake. The patient appears in moderate respiratory distress, so oxygen therapy and IV fluids are initiated. The physician orders tests for cystic fibrosis due to the patient’s history and clinical presentation. When the tests confirm the diagnosis, as the RN, you provide education to the mother regarding this autosomal recessive disease.
-Which of the following terms would best describe a mutation that changes a normal codon into a stop codon?

• A)missense mutation
• B)nonsense mutation
• C)back mutation
• D)frame shift mutation

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Definitions:

Prefixes

Sets of letters placed before a word to modify its meaning, such as "un-", "pre-", and "post-".

Mixed Fraction

A mathematical expression combining a whole number and a fraction, used to represent quantities greater than one.

Fraction

A mathematical expression representing the division of one quantity by another; a part of a whole.

Fraction

A fractional amount that signifies a portion of a whole, distinguished by not being an integer.