Anatomy 2 - Midterm 1

All pre-ganglionic ANS neurons use ______ as a neurotransmitter. A. Acetylcholine B. Norepinephrine C. GABA D. Dopamine

A. Acetylcholine

An increase in heart rate is due to _____ innervation. A. Sympathetic B. Parasympathetic C. Both A and B D. Neither A or B

A. Sympathetic

Gray rami communicates contain ____ synaptic sympathetic fibers. A. Pre B. Post

B. post

Pre-ganglionic sympathetic fibers exit the spinal cord at which of the following levels? A. C1-C8 B. C1-S5 C. T1-L2 D. S2-S4

C. T1-L2

Which of the following contains the cell bodies of preganglionic neurons of the parasympathetic nervous system? A. Brainstem and sacral spinal cord B. Cervical and thoracic spinal cord C. Brainstem and cervical spinal cord D. Thoracic and lumbar spinal cord E. Brainstem and thoracic spinal cord

A. Brainstem and sacral spinal cord

The name of CN III is A. Optic n B. Oculomotor n. C. Trigeminal n. D. Abducens n. E. Trochlear n. F. Hypoglossal n.

B. Oculomotor n.

Which layer of fascia in the neck forms the floor of the posterior triangle as well as the axillary sheath? A. Visceral portion of pretracheal deep cervical fascia B. Prevertebral deep cervical fascia C. Investing layer of deep cervical fascia D. Muscular portion of pretracheal deep cervical fascia E. Superficial fascia

B. Prevertebral deep cervical fascia

Choose the parasympathetic ganglia from the list below (select all): A. Superior cervical ganglion B. Pterygopalatine ganglion C. Middle cervical ganglion D. Submandibular ganglion E. Otic ganglion F. Geniculate ganglion G. Ciliary ganglion H. Inferior cervical ganglion

B. Pterygopalatine ganglion D. Submandibular ganglion E. Otic ganglion G. Ciliary ganglion

Sweat glands are stimulated by the ____ division of the ANS? A. Parasympathetic B. Sympathetic C. Neither D. Both

B. Sympathetic

Muscles of mastication are innervated by a portion of CN ____. A. II B. III C. V D. VII E. IX F. X G. XI H. XII

C. V

What is the nerve supply to the pharyngeal (brachial) arches 4 and 6? A. Trigeminal B. Facial C. Vagus D. Glossopharyngeal

C. Vagus

From the list below, choose the cranial nerves that contain BOTH sensory and motor fibers? CN I CN II CN III CN IV CN V CN VI CN VII CN VIII CN IX CN X CN XI CN XII

CN V CN VII CN IX CN X

The nerve for hearing and balance is? A. CN IV B. CN V C. CN VI D. CN VII E. CN VIII F. CN IX

E. CN VIII

The glossopharyngeal nerve is CN ____. A. II B. IV C. V D. Vi E. VII F. IX G. XI

F. IX

Write the name of CN XII.

Hypoglossal