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A client is exploring treatment options after being diagnosed with age-related cataracts that affect their vision. What treatment is most likely to be used in this client's care?

A.

Surgical intervention

B.

Corticosteroid eye drops

C.

Antioxidant supplements, beta-carotene, and selenium

D.

Eyeglasses or magnifying lenses

Answer and Explanation

The Correct Answer is A

A. Surgical intervention is the most common and effective treatment for age-related cataracts. Cataract surgery involves the removal of the cloudy lens and replacement with an artificial intraocular lens, which can significantly improve vision.
B. Corticosteroid eye drops are not used to treat cataracts; they are generally prescribed for reducing inflammation in various eye conditions but do not address the lens opacity caused by cataracts.
C. Antioxidant supplements, beta-carotene, and selenium have been studied for their potential role in slowing the progression of cataracts, but they are not considered a primary treatment once cataracts have developed to the point of affecting vision.
D. Eyeglasses or magnifying lenses may help improve vision temporarily in the early stages of cataracts, but they do not treat the underlying cause and are not effective in advanced cases. Surgery remains the definitive treatment.
 


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Related Questions

Correct Answer is C

Explanation

A. Thiamine deficiency is often associated with neurological symptoms, such as Wernicke-Korsakoff syndrome, rather than spontaneous bleeding or bruising. Thiamine does not directly impact the coagulation process.
B. Vitamin C deficiency can lead to scurvy, which includes symptoms such as bleeding gums and poor wound healing. However, it is not typically associated with the spontaneous bleeding and bruising seen in chronic liver failure.
C. Vitamin K is essential for the synthesis of clotting factors produced by the liver. In chronic liver failure, the liver's ability to produce these factors is impaired, leading to an increased risk of bleeding and bruising due to vitamin K deficiency.
D. Folic acid deficiency is more commonly linked to anemia and certain neurological issues, but it does not cause spontaneous bleeding or bruising. It does not directly affect coagulation factors as vitamin K does.

Correct Answer is ["1.8"]

Explanation

Infusion rate (mL/hr) = Desired dose (units/hr) / Concentration of nitroglycerin (units/mL)

First, calculate the concentration of nitroglycerin in the IV bag:

  • 100 mg / 250 mL = 0.4 mg/mL

Next, convert the desired dose from mcg/min to mg/hr:

  • 12 mcg/min 60 min/hr = 720 mcg/hr = 0.72 mg/hr

Finally, plug the values into the formula:

  • Infusion rate = 0.72 mg/hr / 0.4 mg/mL = 1.8 mL/hr

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