Correct Answer: A

Rationale: In acute pancreatitis, serum amylase is a crucial laboratory value to monitor closely. Elevated levels of serum amylase are a key indicator of pancreatic inflammation and can help confirm the diagnosis of acute pancreatitis. Therefore, monitoring serum amylase levels is essential for assessing the progression and severity of the condition in a client with acute pancreatitis.

Correct Answer: C

Rationale: In this scenario, the client is experiencing symptoms of shortness of breath, which could indicate fluid overload from the PRBC transfusion. By decreasing the intravenous flow rate of the transfusion, the nurse can slow down the rate of blood being infused, potentially alleviating the symptoms of fluid overload and shortness of breath. This intervention can help prevent further complications and promote the client's comfort and safety.

Correct Answer: A

Rationale: To calculate the dosage, first, convert the weight from pounds to kg (4 lbs / 2.2 ≈ 1.82 kg). Then, multiply by the prescribed mg/kg (15 mg/kg * 1.82 kg ≈ 27.3 mg). However, since the question asks for the closest correct option, the infant will receive approximately 9 mg.

Correct Answer: A

Rationale: The correct teaching point for a patient prescribed methotrexate is to take folic acid supplements as prescribed. Methotrexate can lead to a folate deficiency, which is why supplementing with folic acid is essential to reduce the risk of side effects such as mouth sores, nausea, and liver problems.

Correct Answer: A

Rationale: Timolol eye drops are prescribed to reduce intraocular pressure in patients with glaucoma. By decreasing the pressure within the eye, timolol helps prevent damage to the optic nerve, which is crucial in managing glaucoma and preserving vision. Dilating or constricting the pupils or enhancing tear production are not the primary actions of timolol eye drops.