An Elderly Couple Is Discussing Health Concerns with the Nurse

An elderly couple is discussing health concerns with the nurse practitioner.The couple is concerned that each of their individual blood studies show different results.One set of test results shows a significant decrease in blood sugar, but the test results of the partner does not show an equal decrease.Their physician does not seem concerned, and the couple is wondering why.How is it best for the nurse practitioner to respond? Select all that apply.

A) Studies show that each person's pattern of chemical make-up is different.
B) There is no difference between one person's range of blood results and that of any other person.
C) Each person's chemical make-up is the same as that of others of the same gender and age group.
D) Many factors affect an individual's chemical make-up.
E) Ranges of the values provided by the laboratory are correct for any age.