- 1(current)
Q. No.Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R):
| Assertion (A): | The distal tubule plays a key role in regulating the potassium ion concentration in body fluids. |
| Reason (R): | The distal tubule reabsorbs all potassium in the filtrate by active transport. |
In the light of the above statements choose the correct answer from the options given below:
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are false. |
Subtopic: Â Nephron Part 1 |Â Nephron Part 2 |
Match the parts of the nephron in Column I with function/feature in Column II and select the answer from the codes given:
| COLUMN I | COLUMN II | ||
| A. | PCT | a. | Maximum reabsorption of water and electrolytes |
| B. | Loop of Henle - descending limb | b. | Permeable to water but almost impermeable to electrolytes |
| C. | Loop of Henle - ascending limb | c. | Impermeable to water but permeable to electrolytes |
| D. | DCT | d. | Conditional reabsorption of Na+ and water |
Codes
| A | B | C | D | |
| 1. | a | b | c | d |
| 2. | b | a | d | c |
| 3. | a | b | d | c |
| 4. | b | a | d | c |
Subtopic: Â Nephron Part 1 |Â Nephron Part 2 |
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Q. No.
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