Correct Answer: C

Rationale: The correct answer is C: Sodium 126 mEq/L. A sodium level of 126 mEq/L is below the normal range, indicating hyponatremia, which can have serious health implications and should be reported to the healthcare provider for further evaluation and intervention. Choices A, B, and D are within or close to the normal ranges for magnesium, potassium, and chloride, respectively, and do not require immediate reporting as they are not significantly abnormal.

Correct Answer: B

Rationale: The correct signs of hyperglycemia in a patient with diabetes mellitus are polyuria (excessive urination), polydipsia (excessive thirst), and polyphagia (excessive hunger). These symptoms indicate high blood sugar levels. Therefore, the correct response for a nurse would be to recognize these signs, monitor blood glucose levels, and administer insulin to manage the hyperglycemia. Choice A is incorrect because it only addresses the response aspect without mentioning the signs. Choices C and D are incorrect as they do not reflect the classic clinical signs of hyperglycemia in diabetes mellitus.

Correct Answer: C

Rationale: Cheddar cheese is indeed a good source of protein, providing a significant amount per serving. While chicken and tofu are also high in protein, cheddar cheese can be a beneficial source, especially for individuals looking for non-meat options. Almonds, while nutritious, are not as high in protein compared to the other options listed.

Correct Answer: C

Rationale: The correct answer is C: Sodium 126 mEq/L. A sodium level of 126 mEq/L is below the normal range, indicating hyponatremia, which can have serious health implications and should be reported to the healthcare provider for further evaluation and intervention. Choices A, B, and D are within or close to the normal ranges for magnesium, potassium, and chloride, respectively, and do not require immediate reporting as they are not significantly abnormal.

Correct Answer: B

Rationale: When a client has edema of both hands and thickened toenails, these conditions can impede accurate readings from the finger and toe locations. The earlobe is the best alternative site for the pulse oximeter probe in this scenario. Placing the probe on the earlobe will help ensure a more accurate measurement of oxygen saturation despite the issues with the hands and toenails. Therefore, the correct answer is to apply the pulse oximeter probe to the earlobe. Choices A, C, and D are incorrect because of the potential limitations presented by the edema and thickened toenails.