16 Questions
Which of the following is NOT a primary site of elimination by the kidneys?
Sodium
What is the primary function of renin in the regulation of arterial pressure?
Formation of angiotensin 2
Which of the following electrolytes is NOT regulated by the kidneys?
Calcium
What is the role of kidneys in regulating acid-base balance?
Regulation of HCO3-
Which substance is primarily eliminated by the kidneys as a result of muscle activity?
Creatinine
How does an increase in water intake affect kidney function?
Increases urine production
Which part of the kidney is responsible for producing urine?
Renal medulla
What is the function of the renal pelvis?
Releasing urine into the ureter
Where does the renal vein carry blood from?
Renal cortex
What is the role of the minor calyx in the kidney?
Releasing urine into the ureter
Which portion of the kidney is covered by a thin connective tissue sheath called the capsule?
Whole organ
Where does the renal artery eventually divide into the smallest vessel, the arterioles?
Interlobular artery
What is the role of the afferent arteriole in the nephron?
Carries blood to the glomerulus
Which part of the kidney extends into the renal medulla?
Loop of Henle
How many nephrons are there approximately in each kidney?
1.25 million
What is the primary function of the peritubular capillaries in the kidney?
Supplies the renal tissue
Explore the functions of the kidneys, including the excretion of metabolic waste, hormones, and foreign chemicals, as well as the regulation of water and electrolyte balance. Learn about the primary sites of elimination for various substances and the role of kidneys in maintaining water balance and regulating electrolyte concentration.
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