Correct Answer: C

Rationale: In a client receiving Magnesium Sulfate IV for Preeclampsia, a urinary output less than 25 to 30 mL/hr indicates magnesium sulfate toxicity and should be reported to the provider for further evaluation and management.

Correct Answer: A

Rationale: Propranolol is a non-selective beta-blocker that can cause bronchoconstriction, making it contraindicated for clients with asthma. Asthma is a contraindication for Propranolol due to the potential of worsening bronchoconstriction and causing respiratory distress in individuals with this condition.

Correct Answer: C

Rationale: The correct answer is C: Delirium. When IV Nitroprusside is infused at high dosages, it can lead to thiocyanate toxicity, causing mental status changes such as delirium. It is crucial to monitor the thiocyanate levels to ensure they remain below 10 mg/dL during therapy to prevent adverse effects.

Correct Answer: C

Rationale: Propranolol is a beta-adrenergic antagonist that decreases heart rate and controls tremors.

Correct Answer: C

Rationale: The nurse should monitor the aPTT (activated partial thromboplastin time) when caring for a client receiving Heparin therapy. The aPTT reflects the intrinsic pathway of the clotting cascade and is used to monitor the effectiveness of heparin, which primarily affects this pathway by potentiating antithrombin III. Monitoring the aPTT helps ensure that the client's blood is within the therapeutic range to prevent thrombus formation.