Increased stretching of the atrial wall, due to increased atrial blood volume, stimulates the release of:

1. aldosterone 2. ADH
3. atrial natriuretic hormone 4. renin

Subtopic:  Autoregulation of GFR |
 83%
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Serum potassium concentrations are the most potent stimulator of secretion of:
1. Aldosterone
2. Angiotensin II
3. ADH
4. Atrial natriuretic hormone

Subtopic:  Autoregulation of GFR |
 56%
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The humoral stimulus for the secretion of aldosterone is:
1. elevated blood Na+ ion levels.
2. decreased blood Cl- ion levels.
3. elevated blood K+ ion levels.
4. decreased blood Ca2+ ion levels.

Subtopic:  Autoregulation of GFR |
 53%
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An increased production of dilute urine will be the result of:
1. decreased ADH secretion
2. increased renin secretion
3. increased insulin production
4. increased aldosterone secretion

Subtopic:  Autoregulation of GFR |
 77%
From NCERT
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Which of the following contributes maximum to the buffer capacity of human body?
1. carbonic acid/bicarbonate buffer system.
2. phosphate buffer system.
3. protein buffer system.
4. oxygen/carbondioxide buffer system.

Subtopic:  Human Kidney: Functions |
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What is expected to happen to the pH of urine if the pH of the blood gets acidic?
1. Decreases.
2. Increases.
3. Remains the same.
4. First increases and than decreases.

Subtopic:  Micturition Reflex |
 56%
From NCERT
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Highest concentration of proteins are expected to be found in:
1. lymph
2. urine
3. cerebrospinal fluid
4. intracellular fluid

Subtopic:  Osmoregulation |
 59%
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Dehydration in human body will:
1. inhibit the thirst center
2. cause stomach distention
3. stimulate osmoreceptors in the hypothalamus
4. inhibit ADH secretion

Subtopic:  Autoregulation of GFR |
 74%
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ADH will not be secreted due to:
1. ingesting more water than is needed to balance water loss
2. stimulation of hypothalamic osmoreceptors
3. loss of body fluid
4. increased blood osmolarity

Subtopic:  Autoregulation of GFR |
 68%
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Secretion of ADH does not lead to:
1. increased permeability of collecting duct to water
2. reduced urine osmolarity
3. concentration of urine
4. reduced urine output

Subtopic:  Autoregulation of GFR |
 60%
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