Correct Answer: B

Rationale: The correct answer is B. Decreasing the intake of flatus-forming foods can help reduce symptoms of bloating and discomfort in IBS. This intervention focuses on dietary modifications that can positively impact the client's condition. Instructing the client to avoid drinking fluids with meals (choice A) may not directly address the underlying cause of IBS symptoms. Teaching perianal care (choice C) is important for hygiene but does not directly address IBS symptoms. Encouraging the client to see a psychologist (choice D) may be beneficial for managing stress or anxiety associated with IBS but does not directly target symptom reduction through dietary changes.

Correct Answer: A

Rationale: When collecting a mid-stream clean catch urine specimen for urine analysis, it is important to collect an adequate amount of urine for accurate testing. A volume of 30 to 60 ml is usually recommended for optimal results, so collecting only 5 to 10 ml would not provide enough urine for testing purposes. It is essential to follow proper collection techniques to ensure accurate and reliable test results.

Correct Answer: C

Rationale: Ambulance exchange points are established when threats to air resources prevent evacuation by air from forward units. These points serve as locations where patients can be transferred between ground and air ambulances. Area support medical battalions (Choice A) refer to medical units that provide medical support to large areas and are not specifically related to evacuation. TOE units (Choice B) and field hospitals (Choice D) are not typically established in response to threats to air resources affecting evacuation.

Correct Answer: B

Rationale: The correct answer is B: Splenectomy. Splenectomy is the treatment of choice for hereditary spherocytosis as it helps prevent hemolysis and improve anemia. Removing the spleen reduces the destruction of the abnormal red blood cells. Choice A, Bone marrow transplant, is not a standard treatment for hereditary spherocytosis. Choice C, Frequent blood transfusions, may be used to manage anemia in some cases but is not the primary treatment for hereditary spherocytosis. Choice D, Liver biopsy, is not a treatment for hereditary spherocytosis; it is a procedure used to diagnose liver conditions, not related to this hematologic disorder.

Correct Answer: B

Rationale: Clients who smoke require more vitamin C due to increased oxidative stress and depletion of vitamin C. Smoking leads to higher levels of oxidative stress in the body, which in turn increases the utilization of vitamin C to counteract the damage caused by free radicals. Choices A, C, and D do not directly impact the body's need for vitamin C as smoking does.