A CD4⁺ Count Has Been Prescribed for a Child with Human

A CD4⁺ count has been prescribed for a child with human immunodeficiency virus (HIV) infection. The nurse has explained to the mother the purpose of the blood test. Which of the following comments by the mother would indicate that further explanation is required for the mother to understand the purpose of the blood test?

A) "The CD4⁺ count is used to determine the child's immune status."
B) "The CD4⁺ count identifies the specific diagnosis of HIV infection."
C) "The CD4⁺ count is used to identify the risk for disease progression."
D) "The CD4⁺ count identifies the need for Pneumocystis jiroveci pneumonia prophylaxis after 1 year of age."