Chronic Hypoxia

question 53

Multiple Choice

Chronic hypoxia

• A) increases 2,3-DPG production in blood.
• B) shifts the HbO₂ dissociation curve to the left.
• C) can be caused by anemia.
• D) increases 2,3-DPG production in blood and can result from anemia.
• E) All of the answers are correct.

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Definitions:

Meninges

The three layers of protective tissue called the dura mater, arachnoid mater, and pia mater that encase the brain and spinal cord.

Myelin Sheaths

Protective coverings around nerve fibers that facilitate the rapid transmission of neural signals.

Synaptic Vesicles

Small sacs within a neuron that store neurotransmitters, which are chemicals released to communicate with adjoining neurons at a synapse.

Dopamine System

A neural system involved in reward, motivation, and the regulation of mood, whose key neurotransmitter is dopamine.