16 Questions
What is the primary function of the urinary system?
Maintenance of fluid volume
Which hormone is released by the pituitary gland to regulate water reabsorption?
ADH (antidiuretic hormone)
Which circumstance can lead to the release of Renin from juxtaglomerular cells of the kidney?
Sense of decrease in sodium levels
What stimulates the production of RBC in the bone marrow?
Erythropoietin
What is the main function of the Renin-angiotensin system in controlling the urinary system?
Controls ADH and aldosterone
What is the primary function of the regulation of 'Acid-Base' balance by the urinary system?
Maintenance of pH balance
What is the basic function of nephrons?
To clear out the blood plasma from unwanted substances
Which hormone causes the kidney to conserve sodium and excrete potassium?
Aldosterone
What is the principle mechanism of urine formation?
Ultrafiltration, selective reabsorption, and secretion
What does glomerular filtrate contain?
Glucose, urea, amino acids, and plasma proteins
What is responsible for moving substances through the glomerular capillary wall by filtration?
Hydrostatic pressure of the blood
What is the effect of aldosterone on urine volume?
Decreases urine volume and makes it concentrated
Which factor affects the glomerular filtration rate (GFR) by increasing it when blood pressure rises?
Change in renal blood flow
What is included in the substances present in glomerular filtrate?
$Glucose$, $urea$, $amino acids$, $calcium ions$, $sodium ions$, $bicarbonate ions$, $potassium ions$, protons, and a large amount of water
What does ultrafiltration mean in the context of urine formation?
$H_2O$ filtration through glomerular capillary wall to Bowman’s capsule
What is the main force responsible for moving substances through the glomerular capillary wall by filtration?
Hydrostatic pressure of the blood inside the glomerular capillary
Test your knowledge about the importance of body fluids such as urine, blood, lymph, milk, semen, cerebrospinal fluid, and amniotic fluid. The quiz covers major sources of water intake and output, as well as the function of the urinary system.
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