Correct Answer: B

Rationale: The correct answer is B: increased fibrinogen. In DIC, there is consumption of coagulation factors leading to decreased fibrinogen levels. Heparin therapy helps by inhibiting further thrombus formation, allowing the body to replenish fibrinogen levels. Increased fibrinogen indicates a positive response. Incorrect choices: A) increased platelet count is not specific to Heparin therapy in DIC, C) decreased fibrin split products indicate ongoing coagulation, not a positive response, and D) decreased bleeding is a general response and not specific to Heparin therapy in DIC.

Correct Answer: A

Rationale: The correct answer is A: Administer oxygen. In hypovolemic shock, the body lacks adequate circulating blood volume leading to decreased tissue perfusion and oxygen delivery. Administering oxygen helps increase oxygen saturation levels and improve tissue oxygenation. This is the priority nursing action to ensure the client's vital organs receive sufficient oxygen. Administering pain relief (B) may be necessary but is not the priority in hypovolemic shock. Administering beta blockers (C) can further decrease blood pressure and worsen the condition. Monitoring for bleeding (D) is important, but administering oxygen takes precedence to address the immediate oxygenation needs of the client.

Correct Answer: D

Rationale: The correct answer is D: Administer diuretics. The priority for a nurse caring for a client with pneumonia is to maintain adequate oxygenation and prevent respiratory failure. Diuretics help reduce fluid overload in the lungs, improving gas exchange and oxygenation. Administering antibiotics (choice A) is important to treat the infection but not the top priority. Administering oxygen (choice B) is crucial for oxygenation, but diuretics take precedence to improve lung function. Administering corticosteroids (choice C) may be considered in certain cases to reduce inflammation, but it is not the primary priority.

Correct Answer: A

Rationale: The correct answer is A: Administer epinephrine. Epinephrine is the first-line treatment for an allergic reaction as it helps to reverse severe symptoms like swelling, difficulty breathing, and low blood pressure. Administering epinephrine promptly can prevent the allergic reaction from escalating into a life-threatening situation. Antihistamines (choice B) may be given after epinephrine for symptom relief but are not as immediate in action. Monitoring vital signs (choice C) is important, but administering epinephrine takes precedence in managing the allergic reaction. Providing a cold compress (choice D) may help with local swelling but does not address the systemic effects of the allergic reaction.

Correct Answer: A

Rationale: The correct answer is A: Monitor urine output. This is the most important action because it helps assess the client's fluid status and kidney function. Monitoring urine output can indicate if the client's body is effectively eliminating excess fluid. Elevating the head of the bed (B) helps with respiratory function but is not the priority in fluid overload. Administering diuretics (C) may be necessary but should be based on urine output monitoring. Encouraging deep breathing (D) is important for respiratory function but not directly related to managing fluid overload.