Extrinsic Control of the GFR

question 164

Multiple Choice

Extrinsic control of the GFR

• A) is mediated by sympathetic nervous system input to the afferent arterioles
• B) is aimed at the regulation of arterial blood pressure
• C) does not require a special mechanism but occurs as part of the baroreceptor reflex
• D) decreases the GFR
• E) all of these

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Definitions:

Conjugation

A form of genetic transfer between bacteria involving direct, physical contact and the transfer of DNA.

Lipid-Soluble Hormones

Hormones that can easily pass through cell membranes because they are soluble in lipids, allowing them to directly interact with cells’ internal mechanisms.

Cholesterol

A waxy, fat-like substance found in all cells of the body, necessary for the formation of cell membranes, certain hormones, and vitamin D.

Steroids

Organic compounds with four rings arranged in a specific molecular configuration, important in biology, chemistry, and medicine.