A nurse is caring for a client with diabetes who presents with elevated blood sugar levels and excessive thirst. The nurse understands that these symptoms are primarily caused by:
Increased insulin production.
Decreased glucose production by the liver.
Inadequate cellular uptake of glucose.
Overproduction of glucagon by the pancreas.
The Correct Answer is C
Choice A rationale:
Increased insulin production is not the primary cause of elevated blood sugar levels and excessive thirst in a client with diabetes. In fact, in type 1 diabetes, there is a lack of insulin production, while in type 2 diabetes, there is insulin resistance, both leading to inadequate cellular uptake of glucose.
Choice B rationale:
Decreased glucose production by the liver is also not the primary cause of the symptoms. In diabetes, the liver can overproduce glucose, especially in the fasting state, contributing to hyperglycemia.
Choice C rationale:
Inadequate cellular uptake of glucose is the correct choice. In diabetes, the body's cells do not effectively utilize glucose due to either insufficient insulin or insulin resistance, leading to high blood sugar levels in the blood.
Choice D rationale:
Overproduction of glucagon by the pancreas is not the primary cause of elevated blood sugar levels and excessive thirst. Glucagon, a hormone produced by the pancreas, raises blood sugar levels when necessary, but it is not the main culprit in diabetes.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice A rationale:
Stating that continuous bubbling in the water-seal chamber is a normal finding and does not require any intervention is incorrect. Continuous bubbling indicates an air leak, and it requires prompt evaluation and intervention.
Choice B rationale:
Clamping the tubing to see if the bubbling stops is incorrect. Clamping the tubing would only be done to assess if the air leak is from the patient or the system, but it does not address the underlying issue.
Choice C rationale:
Applying an occlusive dressing to seal the wound site is incorrect. While dressing changes may be necessary to maintain a sterile environment, it will not resolve the air leak causing continuous bubbling.
Choice D rationale:
Notifying the physician immediately about the air leak is the appropriate nursing action. Continuous bubbling in the water-seal chamber suggests an air leak, which could compromise the effectiveness of the chest tube and require immediate medical attention.
Correct Answer is A
Explanation
Choice A rationale:
The client's statement, "I haven't been eating much lately,”. supports the suspicion of hypoglycemia. When a person with diabetes does not eat enough, especially if they are taking insulin or certain oral medications, their blood sugar levels can drop, leading to hypoglycemia. The symptoms reported by the client, including feeling shaky, weak, and dizzy, are typical manifestations of low blood sugar.
Choice B rationale:
"I've been drinking a lot of water recently”. does not support the suspicion of hypoglycemia. This statement could indicate hyperglycemia instead, as excessive thirst (polydipsia) is a common symptom of high blood sugar in diabetes.
Choice C rationale:
"I feel tired and lethargic all the time”. is a non-specific symptom and does not directly indicate hypoglycemia. Fatigue can be caused by various factors, and in this case, there is no clear link to low blood sugar.
Choice D rationale:
"My heart has been racing throughout the day”. is also not indicative of hypoglycemia. Rapid heart rate (tachycardia) can have multiple underlying causes, and it is not a primary symptom of low blood sugar.
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