Nursing Elites

1. Why is the combination drug trimethoprim-sulfamethoxazole (TMP-SMX) necessary?

• A. To broaden the antibacterial spectrum.
• B. To decrease bacterial resistance.
• C. To improve the taste.
• D. To minimize toxic effects.

Correct answer: B

Rationale: The correct answer is B: To decrease bacterial resistance. Trimethoprim-sulfamethoxazole (TMP-SMX) is a combination drug used to prevent bacterial resistance to sulfonamides. It works by targeting different steps in the bacterial metabolic pathway, making it harder for bacteria to develop resistance. Choice A is incorrect because the combination does not broaden the antibacterial spectrum; instead, it enhances effectiveness against specific bacteria. Choice C is incorrect as taste improvement is not the primary reason for combining these drugs. Choice D is incorrect because while combination therapy can sometimes help minimize toxic effects, the primary purpose in this case is to address bacterial resistance.

2. Which of the following lipid abnormalities is a risk factor for the development of atherosclerosis and peripheral vascular disease?

• A. Low concentration of triglycerides.
• B. High levels of high-density lipoprotein (HDL) cholesterol.
• C. High levels of low-density lipoprotein (LDL) cholesterol.
• D. Low levels of LDL cholesterol.

Correct answer: C

Rationale: The correct answer is C: High levels of low-density lipoprotein (LDL) cholesterol. High levels of LDL cholesterol contribute to the development of atherosclerosis and peripheral vascular disease by being deposited in the blood vessel walls, leading to the formation of plaques that can obstruct blood flow. Choice A is incorrect as a low concentration of triglycerides is not typically associated with an increased risk of atherosclerosis or PVD. Choice B is incorrect as high levels of high-density lipoprotein (HDL) cholesterol are actually considered protective against atherosclerosis as it helps remove cholesterol from arteries. Choice D is incorrect as low levels of LDL cholesterol are not typically considered a risk factor for atherosclerosis or PVD.

3. In a patient with chronic kidney disease, which of the following is a common electrolyte imbalance?

• A. Hyperkalemia.
• B. Hypokalemia.
• C. Hypernatremia.
• D. Hyponatremia.

Correct answer: A

Rationale: Hyperkalemia is a common electrolyte imbalance in chronic kidney disease. In chronic kidney disease, the kidneys' reduced function leads to the decreased excretion of potassium, resulting in elevated serum potassium levels. This can be dangerous as hyperkalemia can lead to life-threatening arrhythmias. Hypokalemia (Choice B) is less common in chronic kidney disease as the impaired kidneys tend to retain potassium. Hypernatremia (Choice C) is more commonly seen in conditions such as dehydration, not primarily in chronic kidney disease. Hyponatremia (Choice D) is also possible in chronic kidney disease but is less common compared to hyperkalemia.

4. A client with a history of type 1 diabetes Mellitus (DM) and asthma is readmitted to the unit for the third time in two months with a current fasting blood sugar (FBS) of 325mg/dl (18mmol/L SI). The client describes to the nurse not understanding why the blood glucose level continues to be out of control. Which interventions should the nurse implement?

• A. Have the client describe a typical day at work, home, and social activities
• B. Determine if the client is using a new insulin needle for each administration
• C. Evaluate the client's asthma medications that can elevate blood glucose
• D. Have the client demonstrate the technique used to monitor blood glucose levels

Correct answer: A

Rationale: The correct answer is to have the client describe a typical day at work, home, and social activities. By understanding the client's daily routine, the nurse can gain valuable insights into lifestyle factors that may be impacting blood glucose control. This information is essential for identifying potential triggers or patterns contributing to the elevated blood sugar levels. Option B, determining if the client is using a new insulin needle for each administration, focuses more on the technical aspect of insulin delivery and is not directly related to daily activities affecting blood glucose levels. Option C, evaluating the client's asthma medications that can elevate blood glucose, could be relevant but is not as directly linked to the client's lifestyle choices as option A. Option D, having the client demonstrate the technique for monitoring blood glucose levels, is important for assessing their skills but does not provide information on daily activities that may be influencing blood sugar levels.

5. A nurse assesses clients on the medical-surgical unit. Which client is at greatest risk for bladder cancer?

• A. A 25-year-old female with a history of sexually transmitted diseases
• B. A 42-year-old male who has worked in a lumber yard for 10 years
• C. A 55-year-old female who has had numerous episodes of bacterial cystitis
• D. An 86-year-old male with a 50–pack-year cigarette smoking history

Correct answer: D

Rationale: The correct answer is D. The greatest risk factor for bladder cancer is a long history of tobacco use, which is reflected in an 86-year-old male with a 50–pack-year cigarette smoking history. Smoking is a well-established risk factor for developing bladder cancer. Choices A, B, and C are not directly linked to an increased risk of bladder cancer. While sexually transmitted diseases, certain occupational exposures, and recurrent urinary tract infections may pose other health risks, they are not specifically associated with an elevated risk of bladder cancer.

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