Nervous System
The functional cell in the nervous system.
What are neurons?
List the two main structures of the CNS.
What are the brain and spinal cord?
The functional division of the PNS that regulates the digestive system.
What is the enteric nervous system?
The two types of photoreceptor cells in the retina.
What are rods and cones?
List the three main functions of the conducting zone.
What is filter, warm, and moisten air?
List the parts of a neuron.
What are the cell body, dendrites, and axon?
The term nucleus refers to this part of the CNS.
What is a collection of cell bodies (gray matter)?
The division of the autonomic system that deals with "rest/digest"
What is the parasympathetic division?
List the three auditory ossicles in the middle ear.
What are the malleus, incus, stapes?
The number of regions found in the pharynx.
What are 3 regions (nasopharynx, oropharynx, and laryngopharynx)?
The name of the type of neuron with several dendrites and one axon.
What is a multipolar neuron?
The protective membrane that sits on the surface of the brain/spinal cord.
What is the pia mater?
Collateral ganglia innervate these structures.
What are visceral organs (liver, pancreas, stomach, intestines)?
This structure houses both hair cells and support cells in the inner ear.
What is the Organ of Corti inside the cochlea?
The number of bronchopulmonary segments in the right lung.
What is 10?
The function of oligodendrocytes.
What is produce myelin sheath in the CNS?
The IX cranial nerve and its function.
What is the IX. Glossopharyngeal (Both)?
The preganglionic neuron appears this color. Explain why.
What is white due to being myelinated?
Trace the flow of tears through the lacrimal apparatus.
What is...
lacrimal gland --> lacrimal duct --> surface of the eye --> lacrimal puncta --> lacrimal canaliculi --> lacrimal sac --> nasolacrimal duct --> nose
This laryngeal cartilage sits on top of the arytenoid cartilage.
What is the corniculate cartilage?
List two types of neurotransmitters that cross the synaptic cleft.
What are acetylcholine, epinephrine, norepinephrine, dopamine, GABBA, etc?
The three structures in the diencephalon and their functions.
What are the...
Thalamus --> identify and filter sensory info
Hypothalamus --> links the nervous and endocrine system
Epithalamus --> connects the limbic system to the rest of the brain
Lists three structures with dual innervation.
What are arrector pili muscles, sweat glands, the smooth muscle around blood vessels, and adrenal medulla?
This muscle is responsible for the movement of the upper eyelid.
What is the levator palpebrae superioris?
Explain how the changing structure of the bronchi influences its function.
What is...
Cells become smaller and less tough.
Cartilage is replaced with smooth muscle to keep airway patent and increase gas exchange.