Within the Spinal Cord,opiates Inhibit Pain Primarily Through

question 12

Multiple Choice

Within the spinal cord,opiates inhibit pain primarily through:

• A)postsynaptic excitation
• B)postsynaptic inhibition.
• C)presynaptic excitation.
• D)presynaptic inhibition.

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Definitions:

Papillary Muscles

Muscular projections in the heart ventricles that attach to the cusps of the atrioventricular valves via the chordae tendineae, playing a role in valve function.

Left Ventricle

The chamber of the heart that receives oxygenated blood from the left atrium and pumps it out through the aorta to circulate oxygen-rich blood throughout the body.

Aorta

The largest artery in the body, which carries oxygen-rich blood from the left ventricle of the heart to various parts of the body.

Pulmonary Arteries

The blood vessels that transport blood lacking oxygen from the heart to the lungs to be oxygenated.