When a Child Jerks Away Her Hand After She Has

question 174

Multiple Choice

When a child jerks away her hand after she has touched a hot stove, her reaction is due to:

• A) growth in her cerebral cortex and increasing myelination.
• B) development in her occipital and parietal lobes.
• C) cephalocaudal developmental patterns.
• D) impulses being carried between her axons, dendrites, and synapses.

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Definitions:

Tunica Media

The middle layer of the wall of a blood vessel or hollow organ, consisting primarily of smooth muscle cells and elastic fibers.

Pulmonary Circulation

The passage of blood from the heart to the lungs and back to the heart, where it is oxygenated and rid of carbon dioxide.

Pulmonary Arteries

The arteries that carry deoxygenated blood from the heart to the lungs, where it is oxygenated before being returned to the heart.

Lungs

Organs in the respiratory system involved in the exchange of oxygen and carbon dioxide between the body and the environment.