The nurse is aware that which area of the kidney provides quick response to any damage or injury to the kidney cells?
A) Juxtaglomerular apparatus
B) Renin–angiotensin–aldosterone system
C) Macula densa
D) Countercurrent mechanism
C
Feedback:
The macula densa consists of immune system cells and chemicals that can respond quickly to any cellular damage or injury. The juxtaglomerular apparatus produce erythropoietin and renin. The Renin–angiotensin–aldosterone system works to maintain blood flow to the kidneys. The countercurrent mechanism works to concentrate and dilute the urine.
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