The process of forming urine begins in the:

Question

BlackTom AI · Accepted Answer

Question restatement: The process of forming urine begins in the:

Option 1: glomeruli
- Correct in the provided answer key. The very first step in urine formation is filtration of blood plasma at the glomerulus, within the renal corpuscle. This is where water and solutes pass from the blood into the Bowman's capsule, beginning urine formation.

Option 2: Henle's loop
- This segment (the loop of Henle) is essential for concentrating urine and establishing medullary osmotic gradients, but it is not where filtration begins. Filtration has already occurred by the time filtrate reaches the loop of Henle.

Option 3: kidney pelvis
- The renal pelvis collects urine from the calyces and funnels it into the ureter. It is part of urine transport/storage, not the initial formation process. Urine formation starts upstream, at the glomerulus.

Option 4: ureters
- Ureters are muscular tubes that transport urine from the kidneys to the bladder via peristaltic waves. They are involved in urine conveyance, not its formation. The first step of formation occurs earlier, at the glomerulus.

Summary: Among the options, the glomerulus is the site where the filtration of blood plasma begins, initiating urine formation. The other structures listed participate in downstream aspects of urine processing, concentration, collection, and transport, but not in the initial formation of urine.

hk_264_120258_248438 Chapter 12 Self Test: Urolgenital System

The process of forming urine begins in the:

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hk_264_120258_248438 Chapter 12 Self Test: Urolgenital System

The process of forming urine begins in the:

View Explanation

Log in for full answers

Similar Questions

Which renal hormone contributes primarily to water reabsorption?[Fill in the blank]

The role of the macula densa is to:[Fill in the blank]

If sodium concentration is too high in the filtrate, this implies that GFR is too ______ and causes the ______ of the afferent arteriole.[Fill in the blank]

The role of the macula densa is to:[Fill in the blank]

Which of the statements below DOES NOT reflect the events involved in urine formation?[Fill in the blank]

Which of the following is NOT a function of the kidney?[Fill in the blank]

Question at position 10 Which of these is the Na+ monitoring cell of the nephron?principal cellnephron loopmacula densavasa recta

Question at position 7 Increased aldosterone would cause:increased reabsorption of Na+increased permeability of the DCT to waterdecreased blood volumedecreased reabsorption of Cl-

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If sodium concentration is too high in the filtrate, this implies that GFR is too and causes the of the afferent arteriole.[Fill in the blank]