Preganglionic Neurons in the Sympathetic (Thoracolumbar)division of the ANS Are

question 13

Multiple Choice

Preganglionic neurons in the sympathetic (thoracolumbar) division of the ANS are located in the ________ of spinal segments T1-L2.

• A) dorsal columns
• B) lateral horns
• C) dorsal root ganglia
• D) ventral roots
• E) anterior horns

---

Definitions:

Dinoflagellate

A group of single-celled, mostly marine organisms with two flagella, known for causing bioluminescence and red tides.

Euglenoid

Free-living, flagellated protist in the supergroup Excavata; some have chloroplasts descended from a green alga.

Amoeba

Single-celled protist that extends pseudopods to move and to capture prey.

Mantle

Of mollusks, a skirt-like extension of the body wall.