What is a major factor in the development of type 1 diabetes?
A high-fat diet.
A diet high in concentrated carbohydrates.
An autoimmune response.
Obesity.
The Correct Answer is C
Choice A rationale: While a high-fat diet can contribute to insulin resistance and is a risk factor for type 2 diabetes, it is not a primary cause of type 1 diabetes. Type 1 diabetes is an autoimmune disorder where the body's immune system attacks and destroys the insulin-producing beta cells in the pancreas.
Choice B rationale: A diet high in concentrated carbohydrates is a risk factor for developing type 2 diabetes, as it can lead to increased insulin demand and eventual insulin resistance. It does not, however, trigger the autoimmune destruction of pancreatic beta cells that is the hallmark of type 1 diabetes.
Choice C rationale: Type 1 diabetes is a T-cell mediated autoimmune disease where the body's own immune system mistakenly identifies the beta cells of the pancreas as foreign invaders and attacks them. This destruction leads to a severe deficiency of insulin, a hormone essential for glucose metabolism. The presence of autoantibodies against beta cells confirms this pathophysiology.
Choice D rationale: Obesity is a major risk factor for developing type 2 diabetes because it leads to increased insulin resistance in the body's tissues. It is not a direct cause of type 1 diabetes, which is fundamentally an autoimmune disorder. While obesity can coexist with type 1 diabetes, it is not the etiological factor.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice A rationale: The abdomen is actually the preferred site for insulin injections due to its consistent and rapid absorption rate compared to other sites. While absorption can vary slightly depending on the specific location within the abdomen, it is considered more predictable than other areas. Avoiding the abdomen would eliminate a prime injection site, which would make proper site rotation more difficult to achieve.
Choice B rationale: Choosing a different site at random for each injection is not the recommended approach. While it ensures rotation, it can make it difficult to monitor for site reactions or track the effectiveness of different injection sites. A systematic rotation strategy is preferred to ensure that all areas are used appropriately and consistently over time, preventing tissue damage.
Choice C rationale: Giving the injection in the same area each time, or even in the same exact spot, is the primary cause of lipohypertrophy and lipoatrophy. Repeated trauma to the same tissue leads to fibrous tissue formation and fat deposition or breakdown, which can significantly alter insulin absorption, making glycemic control unpredictable and increasing the risk of both hypoglycemia and hyperglycemia.
Choice D rationale: Rotating sites within the same anatomical location, such as the abdomen, for approximately one week before moving to a new location (e.g., the thigh or arm), is the recommended practice. This systematic approach ensures that tissue at the injection sites has time to heal, preventing the development of lipodystrophies. It also helps maintain consistent insulin absorption.
Correct Answer is A
Explanation
Choice A rationale: A complete thyroidectomy removes the thyroid gland, which is responsible for producing calcitonin, a hormone that regulates calcium levels. While some clients may experience temporary hypocalcemia post-surgery due to parathyroid gland manipulation, long-term calcium replacement is not always required. The parathyroid glands, if left intact, regulate calcium homeostasis.
Choice B rationale: A complete thyroidectomy necessitates lifelong thyroid hormone replacement therapy. Without the thyroid gland, the body cannot produce triiodothyronine (T3) and thyroxine (T4), which are essential for regulating metabolism, growth, and development. Failure to replace these hormones would lead to severe hypothyroidism.
Choice C rationale: As the entire thyroid gland is removed, the body's natural source of thyroid hormones is gone. Therefore, the client will require daily exogenous thyroid hormone supplementation, such as levothyroxine, for the rest of their life to maintain metabolic function and prevent the symptoms of hypothyroidism.
Choice D rationale: Postoperative pain management is a standard component of care following any surgical procedure, including a thyroidectomy. The client should be encouraged to report pain and receive appropriate medication to ensure comfort, promote healing, and facilitate early ambulation and recovery.
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