Diabetes results from either:
Low WBC
Lack of insulin secretion
Low RBC
Resistance to insulin
The Correct Answer is B
Choice A reason: Low white blood cell (WBC) count is not related to the development of diabetes. WBCs are part of the immune system and are involved in fighting infections. Diabetes is primarily associated with issues related to insulin, either its production or the body's response to it.
Choice B reason: Lack of insulin secretion is a primary cause of type 1 diabetes. In type 1 diabetes, the body's immune system attacks and destroys the insulin-producing beta cells in the pancreas. As a result, the body cannot produce insulin, leading to high blood glucose levels. Insulin therapy is required to manage blood glucose levels in individuals with type 1 diabetes.
Choice C reason: Low red blood cell (RBC) count, or anemia, is not a cause of diabetes. RBCs are responsible for carrying oxygen throughout the body. While anemia can occur in individuals with diabetes due to various complications, it is not a direct cause of the condition.
Choice D reason: Resistance to insulin is a primary cause of type 2 diabetes. In type 2 diabetes, the body's cells become resistant to the effects of insulin, making it difficult for glucose to enter the cells. As a result, the pancreas produces more insulin to compensate, but eventually, it cannot keep up with the demand, leading to high blood glucose levels. Lifestyle changes, oral medications, and insulin therapy are often used to manage type 2 diabetes.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice A reason: Fasting blood glucose measures the blood sugar level after an individual has not eaten for at least 8 hours. While it provides a snapshot of current blood glucose levels, it does not reflect long-term blood glucose control.
Choice B reason: Urinalysis can detect the presence of glucose or ketones in the urine, which can indicate poor blood glucose control. However, it does not provide a direct measure of blood glucose levels over time and is not the best predictor of long-term control.
Choice C reason: Feasting (postprandial) blood glucose measures blood sugar levels after eating. It can indicate how well the body manages glucose after a meal but does not provide information about overall blood glucose control over the previous few months.
Choice D reason: Hemoglobin A1C, also known as HbA1c, measures the percentage of glycated hemoglobin in the blood. It reflects the average blood glucose levels over the past 2-3 months. This test is considered the best predictor of long-term blood glucose control because it provides a comprehensive view of blood sugar management over an extended period. The normal range for HbA1c is typically below 5.7% for individuals without diabetes.
Correct Answer is C
Explanation
Choice A reason: This explanation is not correct. The reason why oral medications are not used for type 1 diabetes is not related to the child's ability to take the entire dose. The primary issue is the nature of insulin and how it must be administered.
Choice B reason: This statement is incorrect. The use of insulin injections is not based on age but on the type of diabetes. Type 1 diabetes requires insulin therapy regardless of the patient's age.
Choice C reason: Insulin is a protein that, if taken orally, would be broken down by the digestive enzymes in the gastrointestinal tract, rendering it ineffective. For this reason, insulin must be administered through subcutaneous injections to ensure it reaches the bloodstream intact and can effectively regulate blood glucose levels.
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