A client with diabetes and hypertension describes seeing "floaters" and flashes of light in their field of vision. The nurse understands that this description is indicative of which disorder?
Retinal detachment
Cataracts
Age-related macular degeneration
Open-angle glaucoma
The Correct Answer is A
A. Floaters and flashes of light are classic symptoms of retinal detachment. When the retina begins to detach from the underlying tissue, it can cause these visual disturbances. Floaters are small, shadowy shapes that move across the field of vision, while flashes of light can occur due to the retina being stretched or pulled.
B. Cataracts primarily cause blurred vision, difficulty seeing at night, and sensitivity to light, rather than floaters or flashes of light.
C. AMD generally affects central vision and can cause symptoms such as distorted vision, difficulty seeing in low light, and a loss of central vision. While AMD can cause vision changes, it is not typically associated with seeing floaters and flashes of light.
D. Open-angle glaucoma usually progresses slowly and is often asymptomatic in its early stages. It primarily affects peripheral vision, leading to a gradual loss of vision in the periphery.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. Automatically switching to liquid nutrition without assessing the client’s tolerance and needs may not be the most appropriate first step. It’s important to consider the client’s preferences, nutritional requirements, and overall ability to tolerate different types of food.
B. This is a highly appropriate and commonly recommended intervention for clients experiencing nausea and weight loss due to chemotherapy. Small, frequent meals can help manage nausea better than large meals and ensure a more consistent intake of calories and nutrients.
C. Eating one large meal per day is generally not advisable for clients with nausea, as it can exacerbate feelings of fullness and discomfort. Large meals may increase nausea and make it more difficult for the client to consume adequate nutrients. Small, frequent meals are generally better tolerated and more effective for managing nausea and ensuring consistent nutrient intake.
D. Inserting a nasogastric (NG) tube and administering tube feedings is a more invasive measure and is usually considered only if oral intake is severely compromised and other interventions have been ineffective. Tube feedings are appropriate for clients who cannot meet their nutritional needs through oral intake due to severe nausea, vomiting, or other conditions.
Correct Answer is B
Explanation
A. Furosemide is a loop diuretic used to treat fluid overload by increasing urine output. In an Addisonian crisis, the primary issue is the severe lack of adrenal hormones rather than fluid overload. Administering furosemide is not indicated in this situation, as it does not address the underlying cause of the crisis or correct electrolyte imbalances that are common in Addisonian crisis.
B. This is a common intravenous fluid choice for managing Addisonian crisis. The 0.9% sodium chloride (normal saline) helps to restore blood volume and correct electrolyte imbalances, while the 5% dextrose provides glucose to support energy needs. This combination helps to address hypovolemia (low blood volume) and prevent hypoglycemia (low blood sugar), both of which can occur in an adrenal crisis.
C. Ketoconazole is an antifungal medication that can be used to treat Cushing’s syndrome, not Addisonian crisis. Insulin is used to manage blood glucose levels and would not be the primary treatment for Addisonian crisis. This option does not directly address the adrenal insufficiency or the immediate needs of an Addisonian crisis.
D. Addisonian crisis often presents with hyponatremia (low sodium) and hyperkalemia (high potassium) due to inadequate aldosterone production. Administering potassium chloride could exacerbate hyperkalemia, which is a concern in Addisonian crisis. Therefore, potassium chloride infusion is not appropriate and could worsen the electrolyte imbalance.
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