Which discharge instruction will the nurse include for a patient ...

[mmm]

Which discharge instruction will the nurse include for a patient sent home from the clinic who is taking an adrenergic ophthalmic solution for an acute inflammation?
 
  a. Headaches and eye pain are adverse effects to be reported to the health care provider immediately.
  b. Mouth dryness should be reported immediately.
  c. Avoid driving or operating machinery until blurring subsides.
  d. Halos or yellow rings around objects will be seen while taking this medication.

Question 2

What is the mechanism of action of osmotic agents when used to decrease IOP?
 
  a. Promoting outflow of the aqueous humor into the tear ducts
  b. Increasing plasma osmolarity and drawing extracellular fluid into the blood
  c. Blocking production of aqueous humor
  d. Decreasing viscosity of the tears and allowing fluid to drain away from the eye

[bhavsar]

Answer to Question 1

ANS: C
Adrenergic agents cause the smooth muscle of the ciliary body and iris to relax, producing mydriasis. Blurred vision will temporarily occur until the patient can adjust to the increased light coming into the eyes. Activities such as driving or operating machinery should be avoided until vision stabilizes. Sunglasses help reduce the brightness. These are common, mild adverse effects and usually resolve with continued therapy. Mouth dryness is a common adverse effect. Halos are a sign of acute closed-angle glaucoma.

Answer to Question 2

ANS: B
Osmotic agents elevate the osmotic pressure of the plasma, causing fluid from the extravascular spaces to be drawn into the blood. The effect on the eye is reduction of volume of intraocular fluid, which produces a decrease in IOP. Osmotic agents do not promote flow of aqueous humor into tear ducts, block production of aqueous humor, or decrease viscosity of tears.

[mmm]

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[bhavsar]

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