Assertion (A): | As the filtrate passes upward in the ascending limb of the Loop of Henle, it gets diluted. |
Reason (R): | The ascending limb is impermeable to water but allows the transport of electrolytes actively or passively. |
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. |
1. | Descending limb of loop of Henle |
2. | Ascending limb of loop of Henle |
3. | PCT |
4. | DCT |
Assertion (A): | An excess of aldosterone can cause a decrease in potassium ion concentration in body fluids. |
Reason (R): | Aldosterone acts mainly at the renal tubules and stimulates the reabsorption of Na+ and water. |
1. | Both (A) and (R) are True but (R) does not correctly explain (A). |
2. | (A) is True but (R) is False. |
3. | Both (A) and (R) are False. |
4. | Both (A) and (R) are True and (R) correctly explains (A). |
On an average, roughly what percent of cardiac output is filtered by the kidneys per minute?
1. | 5 | 2. | 10 |
3. | 20 | 4. | 50 |
Consider the two statements:
Statement I: | Both ADH and aldosterone attempt to decrease urine output. |
Statement II: | A person with uncontrolled diabetes mellitus will have a higher than normal solute concentration in the urine. |
1. | Statement I is correct; Statement II is incorrect |
2. | Statement I is correct; Statement II is correct |
3. | Statement II is incorrect; Statement I is correct |
4. | Statement I is incorrect; Statement II is incorrect |
Consider the given two statements:
Assertion: An excessive loss of fluid from the body stimulates the hypothalamus to release antidiuretic hormone (ADH) or vasopressin from the neurohypophysis.
Reason: An excessive loss of fluid from the body activates the osmoreceptors located in the hypothalamus.
1. Assertion is true but Reason is false
2. Both Assertion and Reason are true and the Reason correctly explains the Assertion
3. Both Assertion and Reason are true but the Reason does not correctly explain the Assertion
4. Assertion is false but Reason is true