Question detail
What does a high concentration of urea in urine indicate about kidney function?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
Hormonal coordination in humans
Question
- A. Kidneys are filtering waste effectively
- B. Kidneys are not filtering waste effectively
- C. Kidneys are producing excess glucose
- D. Kidneys are retaining water
Answer
The correct option is Kidneys are filtering waste effectively. This answer is correct because it matches the approved learning objective to interpret data comparing concentrations of glucose, ions and urea in blood, filtrate and urine in the subtopic Maintaining water and nitrogen balance in the body (biology only).
Explanation
The correct option is Kidneys are filtering waste effectively. Kidneys are filtering waste effectively is correct because it directly supports the approved learning objective to interpret data comparing concentrations of glucose, ions and urea in blood, filtrate and urine. This belongs to the subtopic Maintaining water and nitrogen balance in the body (biology only) within Hormonal coordination in humans, so the explanation must stay tied to that curriculum context. The other options are incorrect because they either do not answer this learning objective, use a vague statement, or move away from Maintaining water and nitrogen balance in the body (biology only).
Common mistake
Misunderstanding Concentration Differences
Students often confuse the concentrations of glucose, ions, and urea in blood, filtrate, and urine, leading to incorrect interpretations of data.
Focus on the definitions of blood, filtrate, and urine, and understand how the kidneys filter blood and reabsorb substances. Practice interpreting data sets to identify trends in concentration changes.
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