Autonomic pathways
What are the two neurons used in autonomic motor pathways?
Preganglionic and postganglionic neurons
Which division is known as "fight or flight"?
Sympathetic
What photoreceptors allow us to see color?
Cones
What type of receptor is used for both smell and taste?
Chemoreceptor
Where does the preganglionic neuron originate?
In the CNS (brainstem or spinal cord)
Which division slows the heart rate and promotes digestion?
Parasympathetic
What is the fibrous outer layer of the eye that includes the white part and cornea?
Sclera and Cornea
What three cranial nerves carry taste information to the brain?
Facial (VII), Glossopharyngeal (IX), Vagus (X)
What neurotransmitter is always released by preganglionic neurons?
Acetylcholine (ACh)
What is the origin of sympathetic nerves in the spinal cord?
Thoracolumbar region (T1–L2)
What part of the eye adjusts lens shape for focusing?
Ciliary body/muscles
What structure in the inner ear is responsible for hearing?
Cochlea
What is the name of the structure where the two autonomic neurons synapse?
Autonomic ganglion
Which cranial nerve is involved in parasympathetic taste sensation?
Facial nerve (VII)
What is the blind spot?
Area where the optic nerve exits, no photoreceptors
Which part of the ear detects rotational motion?
Semicircular canals