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Questions and Answers
What is the primary function of the glomerular filtration rate (GFR) in the urinary system?
What is the primary function of the glomerular filtration rate (GFR) in the urinary system?
- To filter out waste and excess water from the blood (correct)
- To regulate the body's electrolyte balance
- To produce urine for storage in the bladder
- To control the rate of urine production
Which structure in the urinary system is responsible for the initial filtration of blood to form the primary urine?
Which structure in the urinary system is responsible for the initial filtration of blood to form the primary urine?
- The renal tubules
- The ureters
- The glomerulus (correct)
- The bladder
What is the primary function of the renal tubules in the urinary system?
What is the primary function of the renal tubules in the urinary system?
- To filter out waste and excess water from the blood
- To reabsorb and secrete substances to produce the final urine (correct)
- To store urine until it is excreted
- To transport urine from the kidneys to the bladder
What is the primary role of the ureters in the urinary system?
What is the primary role of the ureters in the urinary system?
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What is the primary function of the bladder in the urinary system?
What is the primary function of the bladder in the urinary system?
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Study Notes
Urinary System Physiology
- Urine formation involves the process of glomerular filtration, which occurs in the glomerulus, a cluster of capillaries in the nephron.
Glomerular Filtration Rate (GFR)
- GFR measures the rate of urine formation, typically around 125 mL/min.
- GFR is the movement of water and solutes from the glomerulus into Bowman's capsule, driven by blood pressure.
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