Correct Answer: C

Rationale: In patients with acute kidney injury, oliguria (reduced urine output) often results in sodium retention and hyperkalemia (elevated levels of potassium). This is due to the kidneys' decreased capacity to excrete these substances. Choice A is incorrect because hypophosphatemia and overgrowth of bone tissue are not direct consequences of oliguria in acute kidney injury. Choice B is incorrect because an increase in blood potassium levels is not caused by excessive excretion of parathyroid hormone but rather by decreased excretion of potassium. Choice D is incorrect because edema is not caused by increased urine production but rather by fluid overload due to decreased urine output.

Correct Answer: A

Rationale: The correct answer is A. Folate plays a crucial role in DNA synthesis and cell division, which are essential processes for cell multiplication. This makes folate particularly important during periods of rapid growth, such as pregnancy. Therefore, the statement is true. Choice B is incorrect because it fails to acknowledge the significance of folate in cell multiplication and rapid growth, especially during pregnancy.

Correct Answer: D

Rationale: The primary purpose of dietary fiber in the diet is to reduce cholesterol levels. While it does aid in digestion by promoting regular bowel movements, its main role is in lowering cholesterol. Choice A is partially correct but not the primary purpose. Choice B is incorrect as fiber is not a direct source of energy. Choice C is also incorrect as the primary role of fiber is not in the absorption of vitamins.

Correct Answer: B

Rationale: A low-fiber diet is generally recommended for individuals who need to restrict their intake of dietary fiber for health reasons. Ripe bananas are low in fiber and easy to digest, making them an ideal choice for a low-fiber diet. On the other hand, broccoli, onions, and whole-grain bread are high in fiber. Therefore, they are less suitable for a low-fiber diet as they could cause digestive discomfort or exacerbate certain health conditions. Ripe bananas, being low in fiber, are the most appropriate choice for a low-fiber diet.

Correct Answer: D

Rationale: In both gestational diabetes and Type II diabetes, the body's cells become resistant to insulin, leading to elevated blood glucose levels. Insulin resistance in these types of diabetes prevents glucose from entering the cells, causing it to accumulate in the bloodstream. On the other hand, Type I diabetes is characterized by the body's inability to produce insulin because the immune system mistakenly attacks and destroys the insulin-producing cells in the pancreas. Therefore, the correct answer is both A and B. Choice C, Type I diabetes, is not characterized by insulin resistance but rather by the body's inability to produce insulin. Therefore, it is incorrect. Choice D, Both A and B, includes the correct options of gestational diabetes and Type II diabetes, making it the correct answer.