The client with chronic renal failure is being educated about the importance of a low-sodium diet. Which of the following statements by the client indicates a need for further teaching?

Correct Answer: B

Rationale: The correct answer is B. Clients with chronic renal failure need to strictly limit their sodium intake. Advising the client to use table salt sparingly is incorrect as they should avoid table salt altogether to adhere to a low-sodium diet. Choice A is correct as rinsing canned vegetables can help reduce their sodium content. Choice C is correct as consuming frozen dinners labeled low-sodium can be a suitable option. Choice D is incorrect as it implies that avoiding only salty foods is sufficient, when in fact, overall sodium intake needs to be monitored closely.

Correct Answer: D

Rationale: The peak expiratory flow rate is the most important indicator of respiratory function in asthma because it measures how quickly air can be exhaled, reflecting the severity of airflow limitation. Oxygen saturation (Choice A) is important in assessing oxygenation, but it does not directly reflect respiratory function. Respiratory rate (Choice B) can provide information on breathing patterns but does not quantify airflow limitation. Arterial blood gases (Choice C) give information about gas exchange but are not as specific for assessing asthma control and severity as peak expiratory flow rate.

Correct Answer: A

Rationale: Protecting the skin from sunlight exposure is crucial to prevent radiation burns and additional skin damage at the treatment site. Sun exposure can exacerbate skin reactions caused by radiation therapy. Applying moisturizing lotions daily may introduce foreign substances or irritants to the treated area, leading to potential complications. Washing the skin inside the radiation portal site is important for maintaining cleanliness and preventing infections. Removing the ink marks after each treatment is unnecessary and may cause unnecessary skin irritation and trauma.

Correct Answer: A

Rationale: A serum potassium level of 2.5 mEq/L is critically low, indicating severe hypokalemia. The immediate action the nurse should take is to inform the healthcare provider of the need for potassium replacement. Option B, preparing to administer glucose-insulin-potassium replacement, is not the first-line intervention; it may be considered in specific situations but requires a healthcare provider's prescription. Option C, changing the plan of care to include hourly urinary output measurement, is not the priority when managing critically low potassium levels. Option D, instructing the client to increase daily intake of potassium-rich foods, is not appropriate in this acute situation where immediate intervention is needed to address the dangerously low potassium level.

Correct Answer: C

Rationale: The correct answer is C: Hyperkalemia. Sodium polystyrene sulfonate (Kayexalate) is used to treat high potassium levels (hyperkalemia) by exchanging sodium ions for potassium ions in the large intestine, which is then eliminated through the feces. Therefore, the nurse should monitor the client for changes in potassium levels to ensure the effectiveness of the treatment. Choices A, B, and D are incorrect because sodium polystyrene sulfonate (Kayexalate) is not associated with causing hyponatremia, hypokalemia, or hypocalcemia.

Correct Answer: B

Rationale: The correct answer is to ask the client to describe the pain. This approach allows the nurse to gather subjective information directly from the client, such as the quality, intensity, location, and factors that aggravate or alleviate the pain. Observing body language and movement (Choice A) can provide additional cues but may not fully capture the client's pain experience. Identifying effective pain relief measures (Choice C) and providing a numeric pain scale (Choice D) are important aspects of pain management but do not directly assess the quality of the client's pain.

Correct Answer: C

Rationale: The best meal option for a client with angina following a low-cholesterol diet is spaghetti with tomato sauce, salad, and coffee. This meal is lower in cholesterol content compared to the other options provided. Hamburger with salad and milkshake, baked liver with green beans and coffee, and fried chicken with green beans and skim milk are higher in cholesterol and may not be suitable for an individual with angina who needs to adhere to a low-cholesterol diet.

Correct Answer: A

Rationale: Smoking is the correct answer as it is a well-established common cause of chronic obstructive pulmonary disease (COPD). Smoking leads to long-term damage to the lungs, contributing to the development of COPD. Choice B, asthma, is not a cause but a separate respiratory condition characterized by airway inflammation and hyperresponsiveness. Allergies, choice C, are not a direct cause of COPD but can exacerbate symptoms in individuals with existing COPD. Chronic bronchitis, choice D, is a type of COPD, not a cause of COPD itself, making it an incorrect choice in this context.

Correct Answer: D

Rationale: The correct answer is D: Serum potassium level. Before, during, and after hemodialysis, monitoring the serum potassium level is crucial to prevent hyperkalemia, a potentially life-threatening complication. Hemodialysis is done to remove waste products and excess electrolytes like potassium from the blood. Monitoring other laboratory values like hemoglobin, BUN, and creatinine is important in assessing kidney function and anemia, but serum potassium level requires close monitoring during hemodialysis due to the risk of rapid shifts that can lead to cardiac arrhythmias.