Substance X Is Freely Filtered at the Glomerulus

question 55

Multiple Choice

Substance X is freely filtered at the glomerulus. 3 mmole X is filtered, 2 mmole X is reabsorbed, and 2 mmole X is secreted per minute. How much X is excreted per minute?

• A) 1 mmole
• B) 2 mmole
• C) 3 mmole
• D) 4 mmole
• E) 5 mmole

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Definitions:

Thiazolidinediones

A class of medications used to lower blood glucose levels in the treatment of type 2 diabetes; they work by increasing insulin sensitivity in fat and muscle cells.

Type 1 Diabetes

A chronic condition in which the pancreas produces little or no insulin due to the immune system attacking and destroying insulin-producing cells.

Melanocyte-Stimulating Hormone

A peptide hormone produced in the pituitary gland that plays a role in the production and release of melanin in the skin, influencing skin and hair pigmentation.