Correct Answer: D

Rationale: The correct answer is D: Altered patterns of urinary elimination related to nocturia. Nocturia increases the risk of falls in elderly clients due to frequent nighttime trips to the bathroom. Choice A is incorrect because while decreased vision can contribute to falls, nocturia poses a more direct risk. Choice B is incorrect as fatigue may affect mobility but is not as directly linked to falls as nocturia. Choice C is incorrect as impaired gas exchange is not typically associated with an increased risk of falls.

Correct Answer: B

Rationale: Corrected Rationale: Assessing cardiac status is crucial in hyperkalemia as high potassium levels can result in life-threatening arrhythmias. Monitoring the heart rhythm and ECG findings is essential to prevent cardiac complications. Neurological status, respiratory status, and gastrointestinal status are important assessments too, but in the context of hyperkalemia, cardiac status takes precedence due to the immediate risk of cardiac arrhythmias.

Correct Answer: D

Rationale: Hair loss is the correct answer. Teens are often more concerned about hair loss because of its visible impact and social implications. While mouth sores, fatigue, and diarrhea are also common side effects of chemotherapy, hair loss tends to be a significant concern for teens due to its effect on self-image and confidence.

Correct Answer: B

Rationale: When administering enteral feeding through a jejunostomy tube, the nurse should administer the formula continuously. Continuous feeding is essential for optimal nutrient absorption and to prevent complications. Administering the formula every four to six hours, in a bolus, or every hour may lead to inadequate nutrition, improper absorption, and an increased risk of complications such as aspiration or dumping syndrome, making these choices incorrect.

Correct Answer: C

Rationale: Dyspnea indicates a potential complication such as pneumothorax or incorrect catheter placement, requiring immediate attention. Pallor may indicate anemia but is not as urgent as dyspnea in this context. Increased temperature could be a sign of infection but is not as critical as respiratory distress. Involuntary muscle spasms are not directly related to central venous catheter placement and are of lower priority compared to respiratory issues.