- 1(current)
Q. No.Urination will be caused by simultaneous:
| 1. | contraction of smooth muscle of bladder and relaxation of urethral sphincter |
| 2. | relaxation of smooth muscle of bladder and contraction of urethral sphincter |
| 3. | contraction of smooth muscle of bladder and urethral sphincter |
| 4. | relaxation of smooth muscle of bladder and urethral sphincter |
Subtopic: Micturition Reflex |
86%
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The presence of which of the following in urine would be abnormal?
| 1. sodium | 2. glucose |
| 3. urea | 4. creatinine |
Subtopic: Micturition Reflex | Disorders of Excretory System |
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Identify the incorrect statement:
| 1. | An adult human excretes, on an average, 1 to 1.5 litres of urine per day. |
| 2. | The urine formed is slightly basic (pH-7.5). |
| 3. | On an average, 25-30 gm of urea is excreted out per day. |
| 4. | Presence of glucose (Glycosuria) and ketone bodies (Ketonuria) in urine are indicative of diabetes mellitus. |
Subtopic: Micturition Reflex |
88%
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Identify the incorrect statement regarding micturition reflex?
| 1. | Signal for the reflex is initiated by the stretching of the urinary bladder as it gets filled with urine. |
| 2. | The stretch receptors on the walls of the bladder send signals to the CNS. |
| 3. | The CNS passes on motor messages leading to the relaxation of smooth muscles of the bladder. |
| 4. | There is simultaneous relaxation of the urethral sphincter causing the release of urine. |
Subtopic: Micturition Reflex |
77%
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Subtopic: Micturition Reflex |
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Which of the following is true for excretion in humans?
| 1. | Glucose and amino acids are reabsorbed in PCT by simple diffusion. |
| 2. | DCT is impermeable to water. |
| 3. | On an average, 25-30 gm of urea is excreted out per day. |
| 4. | Maximum reabsorption occurs in the loop of Henle. |
Subtopic: Micturition Reflex |
83%
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- 1(current)
Q. No.
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