When Blood Flow in a Capillary Bed Decreases in Response

question 77

Multiple Choice

When blood flow in a capillary bed decreases in response to locally high oxygen levels, it is caused by

• A) intercellular chemicals.
• B) angiotensin.
• C) autoregulation.
• D) neural processes.
• E) endocrine processes.

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Definitions:

Fischer Projection

A method of drawing organic molecules as a two-dimensional representation that allows visualization of the three-dimensional arrangement of substituents around chiral centers.

D-Erythrose

D-Erythrose is a four-carbon sugar (tetrose) with the chemical formula C4H8O4, known for being one of the simplest aldose carbohydrates.

Open-Chain Form

A molecular structure not forming a ring, consisting of atoms connected in a linear or branched sequence.

Asymmetric Carbons

Carbon atoms bonded to four different groups, leading to chiral molecules that can have non-superimposable mirror images.