Exam 3 2026 Exam Questions
and Correct Answers | New
Update
Kidneys - ANSWER ✔✔are organs of filtration and secretion
Kidney Functions - ANSWER ✔✔Excretory Function:
Concentrate urine
Rid body of waste products like urea, uric acid, creatinine, glucose, and
drug metabolites
Acid-Base Balance:
,Excrete/reabsorb H+ ions and bicarbonate as needed
Secretory Function:
Renin(blood pressure and fluid volume), erythropoietin (red blood cell
production)
Blood Pressure Control
Activates the RAAS
Reabsorbs water and sodium/excretes potassium
Vitamin D Synthesis/Calcium Balance
Glucose Homeostasis:
Renal threshold to reabsorb glucose is 180mg/dL
Kidneys degrade insulin
Help with gluconeogenesis.
Alterations in kidney function will impair: - ANSWER ✔✔Acid/base
balance
, blood pressure regulation
RBC formation: anemia
Drug metabolism
Hormone metabolism
Vitamin D synthesis: bone disorders
Glucose homeostasis: sugar at 180 kidneys try to filter off sugar
Renin Controls.... - ANSWER ✔✔blood pressure
Erythropoietin controls.... - ANSWER ✔✔RBC production
Kidneys receive _________ of cardiac output. - ANSWER ✔✔20%
nephron - ANSWER ✔✔functional unit of the kidney
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