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 A
Explanation
Choice A reason: A low blood glucose level is not a sign of diabetic ketoacidosis (DKA). In fact, DKA is characterized by high blood glucose levels due to a lack of insulin, which leads to the breakdown of fats for energy and the production of ketones.
Choice B reason: Ketonuria, or the presence of ketones in the urine, is a sign of DKA. It occurs when the body breaks down fats for energy instead of using glucose, leading to the production of ketones, which are then excreted in the urine.
Choice C reason: Dehydration is a common sign of DKA. High blood glucose levels lead to increased urination, which causes the body to lose fluids and electrolytes, resulting in dehydration.
Choice D reason: Kussmaul respirations are a sign of DKA. These are deep, labored breathing patterns that occur as the body attempts to compensate for the metabolic acidosis caused by high levels of ketones in the blood.
Correct Answer is D
Explanation
Choice A reason: The heart is not directly affected by urinary stasis and subsequent bacterial growth. While severe infections can potentially lead to systemic issues, the primary concern with urinary stasis is the local and ascending infection within the urinary tract.
Choice B reason: The ears are not involved in the urinary system, and stasis of urine does not lead to infections in the ears. Ear infections are typically caused by different pathogens and mechanisms unrelated to urinary stasis.
Choice C reason: The lungs are also not affected by urinary stasis. Lung infections, such as pneumonia, are usually caused by respiratory pathogens and not by bacteria originating from the urinary tract.
Choice D reason: The kidneys are the correct answer because stasis of urine in the bladder can lead to bacterial growth and infection. When urine remains in the bladder for an extended period, it creates an environment conducive to bacterial proliferation. These bacteria can ascend the urinary tract, reaching the ureters and kidneys, causing infections such as pyelonephritis. Kidney infections are serious and can lead to complications if not treated promptly.
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