Correct Answer: A

Rationale: In a situation where a client is experiencing excessive uncontrolled vaginal bleeding post-delivery, the most crucial information for the nurse to provide the healthcare provider is the maternal blood pressure. Maternal blood pressure can help assess the severity of the bleeding and guide immediate interventions to stabilize the client's condition. Estimated blood loss, length of labor, and amount of IV fluids administered are important pieces of information but in this scenario, maternal blood pressure takes precedence as it directly indicates the client's current hemodynamic status.

Correct Answer: A

Rationale: In a postpartum client exhibiting symptoms of a spinal headache, applying an abdominal binder is a priority action. The abdominal binder can help reduce the severity of a spinal headache by increasing intra-abdominal pressure, which may relieve pressure on the dural sac and alleviate symptoms. This intervention can be performed promptly by the nurse to provide immediate relief while waiting for further evaluation and management by the anesthesiologist. Cleansing the spinal injection site (Choice B) is not the priority in this situation as the headache is likely due to a dural puncture during epidural anesthesia rather than infection. Inserting an indwelling Foley catheter (Choice C) and placing procedure equipment at the bedside (Choice D) are not the appropriate actions to address a spinal headache and should not take precedence over applying an abdominal binder.

Correct Answer: A

Rationale: Lying prone with a pillow on the abdomen is the most helpful intervention in relieving postpartum uterine contractions or 'afterpains.' This position provides counter-pressure and support to the uterus, helping to alleviate discomfort and promote uterine involution. Choice B, using a breast pump, is not effective in relieving afterpains as it focuses on milk expression. Massaging the abdomen (Choice C) may help with discomfort but does not provide the same level of support as lying prone with a pillow. Giving oxytocic medications (Choice D) is not typically the first-line intervention for afterpains unless there are specific medical indications.

Correct Answer: D

Rationale: In the scenario presented, the client is exhibiting signs and symptoms of severe preeclampsia, including hypertension, proteinuria, facial and hand swelling, visual disturbances, and a severe headache. The medication of choice for preventing seizures in preeclampsia is magnesium sulfate. This drug helps to prevent and control seizures in clients with preeclampsia, making it the most appropriate option for this client. Clonidine hydrochloride (Choice A) is an antihypertensive medication used for managing hypertension but is not the first-line treatment for preeclampsia. Carbamazepine (Choice B) is an anticonvulsant used for seizure disorders like epilepsy and is not indicated for preeclampsia. Furosemide (Choice C) is a diuretic used to manage fluid retention but is not the drug of choice for treating preeclampsia.

Correct Answer: B

Rationale: The correct answer is Calcium. In this scenario, the child is displaying symptoms of muscular irritability and oozing blood, which are indicative of hypocalcemia. Calcium levels are crucial to monitor after multiple blood transfusions to prevent complications such as hypocalcemia, which can lead to these symptoms. Therefore, obtaining a serum calcium value is essential for the nurse to assess and address the child's condition effectively. CO2 combining power, Sodium, and Chloride levels are not directly associated with the symptoms described and are not the priority in this situation.