While teaching a patient to self-administer insulin, the patient asks the nurse, "Why are you telling me to rotate my sites when I inject the insulin? If I use the same area for injection every day, it will probably cause me less pain."
The nurse's best response is:
A) "Injecting insulin into the same area causes scarring and delays the absorption of the drug."
B) "That is a great question and researchers are investigating the possibility of patients using the same site for insulin injection in the future."
C) "Until you are comfortable with self-administering insulin, feel free to inject in the same area, as it will cause you less discomfort."
D) "Injecting insulin into the same area does not affect the way your body absorbs the drug, but can lead to dimpling of the skin."
Ans: A
Feedback: Injection sites must be rotated to prevent lipohypertrophy. Lipohypertophy is the development of a fibrofatty mass at the injection site; this condition is caused by repeated use of an injection site. If insulin is injected into scarred areas, absorption may be delayed. Lipodystrophy refers to a localized reaction, in the form of either lipotrophy or lipohypertrophy, occurring at the site of insulin injections. Lipotrophy is loss of subcutaneous fat and appears as a slight dimpling or more serious pitting of subcutaneous fat. Due to the use of human insulin, the occurrence of this disfiguring complication has been nearly eliminated.
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