The Regions of the Mesencephalon That Issue Subconscious Motor Commands

question 113

Multiple Choice

The regions of the mesencephalon that issue subconscious motor commands that affect upper limb position and background muscle tone are the

• A)tecta.
• B)red nuclei.
• C)cerebral peduncles.
• D)superior colliculi.
• E)inferior colliculi.

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Definitions:

Apex

The top or highest part of something, such as the pointed end of the heart that points downward to the left.

Base

A substance that can accept protons or donate a pair of electrons to form a bond, usually raising the pH of a solution when dissolved in water.

Great Arteries

The major arteries, such as the aorta and pulmonary artery, that carry blood away from the heart to the body or lungs.

Cardiac Cycle

The sequence of events in the heart from the beginning of one heartbeat to the beginning of the next, including systole (contraction) and diastole (relaxation).