A nurse is providing education about insulin management to a client newly diagnosed with type 1 diabetes mellitus. Which of the following statements by the nurse about injection site selection is accurate?

Injections will work most quickly when given in the thigh.

Injections will work most quickly when given in the upper arm.

Injections will work most quickly when given in the buttocks.

Injections will work most quickly when given in the abdomen.

Answer and Explanation

The Correct Answer is D

Choice A reason:

Injections in the thigh are absorbed more slowly compared to the abdomen. The thigh is a common site for insulin injections, but it does not provide the fastest absorption rate. The absorption rate can be influenced by physical activity, as exercise can increase blood flow to the muscles, potentially speeding up insulin absorption. However, under normal conditions, the thigh is not the fastest site for insulin absorption.

Choice B reason:

Injections in the upper arm have a moderate absorption rate. The upper arm is another common site for insulin injections, but it is not the fastest. The absorption rate from the upper arm is generally faster than the thigh but slower than the abdomen. This site can be convenient for injections, especially for those who find it difficult to reach other areas.

Choice C reason:

Injections in the buttocks have the slowest absorption rate among the common injection sites. The buttocks are less commonly used for insulin injections due to the slower absorption rate and the difficulty some individuals may have in administering injections in this area. The high fat content in the buttocks slows down the absorption of insulin.

Choice D reason:

Injections in the abdomen provide the fastest absorption rate for insulin. The abdomen is the preferred site for many people with diabetes because it has a large surface area and is easy to access. The insulin injected into the abdominal area is absorbed quickly into the bloodstream, making it the most effective site for rapid-acting insulin. This is particularly important for managing blood sugar levels around meal times

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Correct Answer is B

Explanation

Choice A Reason:

Conivaptan hydrochloride is a vasopressin receptor antagonist used to treat hyponatremia in patients with SIADH. It works by blocking the action of vasopressin, thereby promoting water excretion without significant loss of sodium. This helps to correct the water imbalance caused by SIADH. Conivaptan is typically administered intravenously and is effective in increasing serum sodium levels.

Choice B Reason:

Vasopressin, also known as antidiuretic hormone (ADH), is contraindicated in patients with SIADH because it exacerbates the condition. SIADH is characterized by excessive release of ADH, leading to water retention and hyponatremia. Administering vasopressin would further increase water reabsorption in the kidneys, worsening the hyponatremia.

Choice C Reason:

Sodium chloride tablets are used to manage hyponatremia in SIADH by increasing sodium intake. This helps to counteract the dilutional hyponatremia caused by excessive water retention. Sodium chloride tablets are often prescribed alongside fluid restriction to help raise serum sodium levels.

Choice D Reason:

Tolvaptan is another vasopressin receptor antagonist used to treat hyponatremia in SIADH. It works similarly to conivaptan by blocking the action of vasopressin, promoting water excretion, and increasing serum sodium levels. Tolvaptan is typically administered orally and is effective in managing SIADH.

A. Hypokalemia B. Surgery C. Renal failure D. Sickle cell disease

Correct Answer is B

Explanation

Choice A Reason:

Hypokalemia, or low potassium levels, is not a direct cause of central diabetes insipidus. Central diabetes insipidus is primarily related to issues with the production or release of antidiuretic hormone (ADH) from the hypothalamus or pituitary gland. Hypokalemia can affect kidney function but does not typically cause central diabetes insipidus.

Choice B Reason:

Surgery, particularly brain surgery, can cause central diabetes insipidus by damaging the hypothalamus or pituitary gland. These structures are crucial for the production and release of ADH, which regulates water balance in the body. Damage to these areas during surgery can lead to a deficiency in ADH, resulting in central diabetes insipidus.

Choice C Reason:

Renal failure is not a cause of central diabetes insipidus. While renal failure affects the kidneys’ ability to filter waste and balance fluids, central diabetes insipidus is related to a deficiency in ADH production or release. Renal failure can lead to other types of diabetes insipidus, such as nephrogenic diabetes insipidus, where the kidneys do not respond properly to ADH.

Choice D Reason:

Sickle cell disease is not a direct cause of central diabetes insipidus. Sickle cell disease primarily affects red blood cells and can lead to various complications, including kidney damage. However, it does not typically cause central diabetes insipidus, which is related to issues with ADH production or release.

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A nurse is providing education about insulin management to a client newly diagnosed with type 1 diabetes mellitus. Which of the following statements by the nurse about injection site selection is accurate?

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Naxlex Comprehensive Predictor Exams

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