Textbook Question
Explain why urinary tract infections, which involve the urethra and urinary bladder, are much more common in females than males.
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25. The Urinary System
Introduction to the Urinary System
Multiple Choice
Which of the choices below is not a function of the urinary system?
A
Regulation of blood pressure
B
Production of red blood cells
C
Maintenance of electrolyte balance
D
Excretion of metabolic waste
Verified step by step guidance1
Begin by understanding the primary functions of the urinary system. The urinary system is responsible for filtering blood, removing waste products, and maintaining homeostasis in the body.
Consider the regulation of blood pressure. The kidneys play a crucial role in regulating blood pressure through the renin-angiotensin-aldosterone system, which adjusts blood volume and pressure.
Examine the maintenance of electrolyte balance. The kidneys help maintain electrolyte balance by filtering and reabsorbing ions such as sodium, potassium, and calcium, which are essential for various bodily functions.
Look at the excretion of metabolic waste. The kidneys filter out waste products like urea and creatinine from the blood, which are then excreted in urine.
Identify the production of red blood cells. This function is primarily associated with the bone marrow, stimulated by the hormone erythropoietin, which is produced by the kidneys but is not a direct function of the urinary system itself.
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