Anatomy LE 5: Autonomic and Peripheral Nervous Systems

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What does the 'G' in the three-letter system represent?

General (correct)

Glandular

General Somatic

Gastrointestinal

What is the name of the system that is replacing the three-letter system?

Nerve classification system

Two-letter system (correct)

Four-letter system

Neuron classification system

What type of neurons are involved in conscious, voluntary perception?

Afferent neurons

Somatic neurons (correct)

Efferent neurons

Visceral neurons

What is the term for neurons that innervate structures derived from somites?

Somatic neurons Signup and view all the answers

What is the name of the system that includes visceral sensory and visceral motor neurons?

Autonomic Nervous System Signup and view all the answers

What is the term for neurons that innervate structures derived from the gastrointestinal tract?

Visceral neurons Signup and view all the answers

What is the difference between afferent and efferent neurons?

Afferent neurons are sensory, while efferent neurons are motor Signup and view all the answers

What is the term for the part of the embryo that gives rise to somatic structures?

Parietal mesoderm Signup and view all the answers

Which type of nerve carries general somatic senses and proprioceptive senses from muscles and joints?

GSA Signup and view all the answers

Which of the following cranial nerves are purely sensory?

1, 2, 8 Signup and view all the answers

What is the function of the temporalis, masseter, medial and lateral pterygoids?

To help you masticate Signup and view all the answers

Which type of nerve supplies skeletal muscles of somatic (Somite/myotome) origin?

GSE Signup and view all the answers

What type of nerve carries special senses of smell and taste?

SVA Signup and view all the answers

Which cranial nerve is responsible for carrying special senses of vision, hearing, and equilibrium?

Cranial nerve 8 Signup and view all the answers

What type of nerve supplies smooth muscles, cardiac muscles, and glands?

GVE Signup and view all the answers

Which of the following cranial nerves are mixed nerves?

Cranial nerve 5, 7, 9, 10 Signup and view all the answers

Which cranial nerve is responsible for the special sense of vision?

CN II Signup and view all the answers

What is the location of the exit of the optic nerve?

Optic canal Signup and view all the answers

What is the result of optic nerve damage?

Blindness Signup and view all the answers

What is the course of the optic nerve?

It begins at the retina and ends at the thalamus. Signup and view all the answers

What is the term for visual defects?

Anopsias Signup and view all the answers

What is the origin of the optic nerve?

Diencephalon Signup and view all the answers

What is the pathway of the oculomotor nerve?

Exits midbrain in the oculomotor sulcus and passes through the interpeduncular fossa. Signup and view all the answers

What is characteristic of the red nucleus?

Dense vascularity Signup and view all the answers

What type of nerve is the glossopharyngeal nerve?

Mixed nerve Signup and view all the answers

How many nuclei does the glossopharyngeal nerve share with the vagus nerve?

3 Signup and view all the answers

What type of cell bodies form the inferior ganglion of the glossopharyngeal nerve?

GVA and SVA cell bodies Signup and view all the answers

Where are the cell bodies of the sensory neurons in the glossopharyngeal nerve located?

In the ganglia Signup and view all the answers

Which nucleus is not shared by the glossopharyngeal nerve and the vagus nerve?

Inferior salivary nucleus Signup and view all the answers

What type of fibers will pass through the vagus nerve but synapse on the spinal trigeminal nucleus?

GSA nerve fibers Signup and view all the answers

Which cranial nerve is most represented in the GVA system?

CN X Signup and view all the answers

What type of ganglia are located within or immediately outside the jugular foramen?

Superior and inferior ganglia Signup and view all the answers

What is the name of the nucleus that is associated with the rostral portion of the tracking nucleus?

Accessory nucleus Signup and view all the answers

How many nuclei does the glossopharyngeal nerve have?

4 Signup and view all the answers

Which cranial nerve is responsible for innervation of the parotid gland?

Glossopharyngeal nerve (CN IX) Signup and view all the answers

What is the function of the ciliary ganglion?

Innervation of sphincter pupillae muscle for pupillary constriction Signup and view all the answers

Which structure do the rootlets of the glossopharyngeal nerve cross?

Posterior cranial fossa Signup and view all the answers

What is the location of the vestibulocochlear nerve relative to the brainstem?

Most lateral of the cranial nerves Signup and view all the answers

Which nerve is responsible for innervation of the submandibular and sublingual glands?