Question:
Indicate whether the following statements are true or false:
(a) Micturition is carried out by a reflex
(b) ADH helps in water elimination, making the urine hypotonic.(c) Protein-free fluid is filtered from blood plasma into the Bowman’s capsule.
(d) Henle’s loop plays an important role in concentrating the urine.
(e) Glucose is actively reabsorbed in the proximal convoluted tubule.
Answer:
| Statement | True/False | Explanation |
|---|---|---|
| (a) Micturition is carried out by a reflex. | True | Urine release involves a spinal reflex, though it can be voluntarily controlled. |
| (b) ADH helps in water elimination, making the urine hypotonic. | False | ADH conserves water, making urine more concentrated. |
| (c) Protein-free fluid is filtered from blood plasma into Bowman’s capsule. | True | Only small molecules pass; proteins are too large. |
| (d) Henle’s loop plays an important role in concentrating the urine. | True | It creates a salt gradient that helps reabsorb water. |
| (e) Glucose is actively reabsorbed in the proximal convoluted tubule. | True | PCT reabsorbs glucose, amino acids, and salts actively. |
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