Letter C in the Angiographic Image of the Aortic Arch

question 7

Multiple Choice

Letter C in the angiographic image of the aortic arch and its branches below is the _____ artery.

• A) innominate (brachiocephalic)
• B) R common carotid
• C) R subclavian
• D) R vertebral

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Definitions:

Serotonin

A neurotransmitter involved in regulating mood, appetite, sleep, memory, and learning. Imbalances in serotonin are associated with depression and other mood disorders.

Endorphins

Natural, pain-killing chemicals released in the brain that also contribute to sensations of pleasure or well-being.

Enkaphalins

Peptides found in the brain, acting as neurotransmitters or neuromodulators, involved in regulating pain and emotion.

Neurons

Neurons are the basic working units of the brain and nervous system, specialized cells designed to transmit information to other nerve cells, muscle, or gland cells through electrical and chemical signals.