Podcast
Questions and Answers
What is the principal effect of Atrial natriuretic peptide (ANP) on the glomerulus?
What is the principal effect of Atrial natriuretic peptide (ANP) on the glomerulus?
- Inhibition of Na+ and water reabsorption (correct)
- Increase in renin and aldosterone secretion
- Antagonism of Ang-II's and ADH's actions
- Stimulation of Na+ and water reabsorption
What triggers the secretion of ANP?
What triggers the secretion of ANP?
- Increased blood volume or pressure (correct)
- Increased renin and aldosterone secretion
- Decreased blood volume or pressure
- Decreased renin and aldosterone secretion
How does ANP affect urine production?
How does ANP affect urine production?
- Decreases GFR and Na + filtration
- Causes ↑ GFR and ↑ Na + filtration with no compensatory Na + reabsorption in distal nephron (correct)
- Promotes ADH secretion
- Inhibits GFR and Na + filtration with compensatory Na + reabsorption in distal nephron
What is the concentration of ANP in plasma in normal humans ingesting moderate amounts of NaCl?
What is the concentration of ANP in plasma in normal humans ingesting moderate amounts of NaCl?
Under what condition is ANP secretion increased?
Under what condition is ANP secretion increased?
Which hormone is produced in the heart and secreted when blood volume or pressure is elevated?
Which hormone is produced in the heart and secreted when blood volume or pressure is elevated?
What is the net effect of Atrial natriuretic peptide (ANP) on sodium and volume?
What is the net effect of Atrial natriuretic peptide (ANP) on sodium and volume?
What triggers the secretion of B-type natriuretic peptide (BNP)?
What triggers the secretion of B-type natriuretic peptide (BNP)?
In which form does Atrial natriuretic peptide (ANP) exist in the brain?
In which form does Atrial natriuretic peptide (ANP) exist in the brain?
What effect does immersion in water up to the neck have on the secretion of renin and aldosterone?
What effect does immersion in water up to the neck have on the secretion of renin and aldosterone?
What is the primary effect of Atrial natriuretic peptide (ANP) on sodium and water excretion?
What is the primary effect of Atrial natriuretic peptide (ANP) on sodium and water excretion?
What triggers the secretion of Brain-type natriuretic peptide (BNP)?
What triggers the secretion of Brain-type natriuretic peptide (BNP)?
How does immersion in water up to the neck affect the secretion of renin and aldosterone?
How does immersion in water up to the neck affect the secretion of renin and aldosterone?
What is the concentration of Atrial natriuretic peptide (ANP) in plasma in normal humans ingesting moderate amounts of NaCl?
What is the concentration of Atrial natriuretic peptide (ANP) in plasma in normal humans ingesting moderate amounts of NaCl?
Which hormone antagonizes Angiotensin II's actions and stimulates natriuresis through direct effects on the glomerulus?
Which hormone antagonizes Angiotensin II's actions and stimulates natriuresis through direct effects on the glomerulus?