The Amount of a Substance That Is Excreted in the Urine

question 3

Multiple Choice

The amount of a substance that is excreted in the urine is equal to the amount that is ________ plus the amount that is ________ minus the amount that is ________.

• A)filtered;reabsorbed;secreted
• B)reabsorbed;filtered;secreted
• C)secreted;reabsorbed;filtered
• D)filtered;secreted;reabsorbed
• E)reabsorbed;secreted;filtered

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Definitions:

Cortex

The outer layer of an organ or structure, such as the cerebral cortex of the brain or the cortex of a plant root or stem.

Medulla

The innermost part of an organ or structure, such as the medulla oblongata in the brain which controls vital body functions.

Renal Papilla

The tip of the renal pyramid in the kidney that projects into the minor calyx, where urine is collected before passing into the ureter.

Ureter

(ureter) One of the paired tubular structures that conducts urine from the kidney to the bladder.