Which of the following statements about the sympathetic nervous system is true? a. stimulation of the sympathetic nervous system generally causes a decrease in blood pressure. b. the only neurotransmitters it secretes are epinephrine and norepinephrine. c. there are three different subtypes of sympathetic nervous system receptors on target organs. d. the nerves exit the central nervous system in the head and from the lumbar spine.

D. The nerves exit the central nervous system in the head and from the lumbar spine.

Explanation:

The preganglionic neurons transmit the nerve impulses through the cranial or spinal nerves that arise from the brain, to the postganglionic neurons from where the nerve fibers that relay these nerve signals to the different viscera and effector organs, located along the spinal cord

you didn't give any options but heres what i can tell you: an inference is likely to change based on additional observations. the latter is something that you have seen or sensed using your sensory organs while the former is like a conclusion out from what you have observed.