10 Questions
Which of the following accurately describes the major functions of the kidneys?
Regulating fluid and electrolyte balance
What is the average value of glomerular filtration rate (GFR)?
125 mL/min
How is GFR controlled by the renin-angiotensin-aldosterone system?
By regulating blood pressure and volume
What is the main function of the ureters in the urinary system?
Transporting urine from the kidneys to the urinary bladder
How is the micturition reflex activated?
By the parasympathetic nervous system
What is the role of the myogenic mechanism in controlling GFR?
It regulates GFR by constricting or dilating the afferent arteriole in response to changes in blood pressure
What is the main function of the renal corpuscle in the kidney?
Filtration of blood to form filtrate
How does the sympathetic nervous system activity influence GFR?
It causes vasoconstriction of the afferent arteriole, reducing GFR
Which hormone plays a role in increasing sodium reabsorption and potassium excretion in the kidneys?
Aldosterone
What is the primary function of the ureters in the urinary system?
Transport urine from the kidneys to the urinary bladder
Test your knowledge about the anatomy and functions of the urinary system, including the organs, major functions of the kidneys, and the path of blood flow through the kidneys. This quiz will also assess your understanding of the major structures of the kidneys such as the renal corpuscle, renal tubules, and renal capillaries.
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