Correct Answer: B

Rationale: Swelling of the arm above the insertion site is concerning as it can indicate complications like thrombosis, which require immediate attention. Redness at the insertion site is common and expected in the initial stages. A bruised area around the insertion site may result from the insertion procedure and is usually not alarming unless it worsens or becomes larger. A temperature of 37.2°C (99°F) is within the normal range and is not directly related to PICC complications.

Correct Answer: C

Rationale: In this scenario, the fetal heart rate (FHR) baseline of 100/min for the past 15 minutes indicates bradycardia. Maternal hypoglycemia can lead to decreased oxygen supply to the fetus, resulting in fetal bradycardia. This situation requires immediate intervention to address the underlying cause. Choices A, B, and D are incorrect as they are not typically associated with fetal bradycardia. Maternal fever, fetal anemia, and chorioamnionitis may have other effects on the fetus but are not primary causes of bradycardia in this context.

Correct Answer: A

Rationale: The correct answer is A: 'Wear low-heeled shoes.' Wearing low-heeled shoes helps prevent back strain by promoting proper posture. High heels can cause an imbalance in the body's alignment, leading to increased stress on the lower back. Choices B, C, and D are incorrect. Elevating the legs while sitting can help with circulation but does not directly prevent low back pain. Engaging in prolonged sitting can actually contribute to low back pain due to decreased muscle activity and increased pressure on the spine. Sleeping on a soft mattress may not provide adequate support for the back, potentially worsening back pain instead of preventing it.

Correct Answer: B

Rationale: Polyuria is the correct answer. Diabetes insipidus is characterized by the inability to concentrate urine, leading to excessive urination (polyuria) and thirst. Bradycardia (slow heart rate) is not typically associated with diabetes insipidus. While dehydration from the excessive urination can lead to hypotension rather than hypertension, and weight loss can occur due to fluid loss, the most specific and significant finding expected in diabetes insipidus is polyuria.

Correct Answer: B

Rationale: The correct answer is B. Taking a calcium supplement daily is crucial for clients on glucocorticoid therapy to prevent osteoporosis, a common side effect of long-term use. Choice A is unrelated to glucocorticoid therapy. Choice C, limiting potassium intake, is not necessary for clients on glucocorticoids. Choice D, taking medication consistently in the evening, is important but does not specifically address the side effects of glucocorticoid therapy.