The nurse is caring for a patient who is experiencing diabetes-related visual changes. Which statement indicates that the patient accurately understands the nurse's teaching about the cause of vision changes in diabetes?
a. "Long-term exposure to high glucose le-vels can damage the blood vessels in my retina."
b. "Frequent injections of regular insulin damage the cornea."
c. "High glucose levels cause increase pres-sure in my eyes that leads to lens opacity.
d. "Diabetes affects healing and causes fre-quent eye infections."
A
Prolonged periods of hyperglycemia cause damage to the retina from bleeding. Insulin does not result in visual changes in the patient with diabetes. Lens opacity and corneal dryness will not promote vision-related complications in the patient with diabetes mellitus.
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The timing of the onset, duration, and termination of a drug's effect is called the ___________.
Fill in the blank(s) with the appropriate word(s).