Which of the Following Is NOT Correct Concerning a Preganglionic

question 31

Multiple Choice

Which of the following is NOT correct concerning a preganglionic neuron?

• A) It forms the first part of an autonomic motor pathway.
• B) It has its cell body in the brain or spinal cord.
• C) It has its axon exiting the CNS with a cranial or spinal nerve.
• D) It has myelinated axons.
• E) It forms a gap junction with the postganglionic neuron.

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Definitions:

Ulnar Artery

A major artery of the forearm that supplies blood to the flexor muscles of the hand and medial aspect of the forearm.

Right Ventricular Systole

The phase of the cardiac cycle during which the right ventricle of the heart contracts and pumps deoxygenated blood into the pulmonary arteries leading to the lungs.

Pulmonary Trunk

The major blood vessel that carries blood from the right ventricle of the heart to the lungs for oxygenation.

Pulmonary Veins

The veins that return oxygenated blood from the lungs to the left atrium of the heart, unlike most veins which carry deoxygenated blood.