Final Review

Question 1

What is not part of the epithalamus?

Answer 1

Reticular nucleus

Question 2

How many functional components are in the brainstem?

Answer 2

Seven

Question 3

Parallel fibers come from which of the following?

Answer 3

Granule cells

Question 4

What is the most rostral part of the central nervous system?

Answer 4

Telencephalon

Question 5

Which transmitter influences movement?

Answer 5

Acetylcholine

Question 6

Which bundle of nerve fibers contains the central branches of the primary sensory neurons that provide for general sensation (not taste) from the posterior third of the tongue?

Answer 6

Spinal trigeminal tract

Question 7

The parasympathetic preganglionic neurons to the heart are located in the

Answer 7

Dorsal motor nucleus of the vagus

Question 8

Which cerebellar pathway has fibers that cross?

Answer 8

Anterior spinocerebellar

Question 9

A receptor that monitors events within the body is called

Answer 9

Enteroreceptor

Question 10

Where are the cell bodies of the neurons whose axons form the olfactory nerve?

Answer 10

In the olfactory epithelium

Question 11

Which nucleus is in the midline?

Answer 11

Raphe

Question 12

Where are the descending upper motor fibers found?

Answer 12

All of the above

• Cerebra Peduncle
• Pyramid
• Internal capsule

Question 13

Why are the neurons f the olfactory epithelium unique?

Answer 13

They are the only neurons that continue to be produced and are regularly replaced throughout adult life

Question 14

Which cranial nerve carries taste sensation from the back of the throat, including the epiglottis?

Answer 14

Vagus

Question 15

Which functional components do the trochlear, oculomotor and hypoglossal nerves have in common?

Answer 15

GSE

Question 16

The pelvic splanchnic nerves are composed of ___ fibers.

Answer 16

Parasympathetic preganglionic

Question 17

Which fiber is stimulated by stretching the muscle spindle?

Answer 17

Gamma

Question 18

How much cerebral spinal fluid is flowing through the ventricles, subarachnoid space and cisterns at any given time?

Answer 18

150mL

Question 19

Which pair of nerves innervate the tensor tympani and stapedius muscles?

Answer 19

Trigeminal and facial

Question 20

Where is the spinal organ (of Corti) located?

Answer 20

Cochlear duct

Question 21

If a dye, which is a very large molecule, is administered intravenously, it will strain neurons in what location?

Answer 21

Circumventricular organs

Question 22

The vestibular system is connected ipsilaterally with which part of the cerebellum?

Answer 22

Flocculonodular lobe

Question 23

Which are derivatives of the neural crest cells?

Answer 23

Sensory neurons

Question 24

The cerebral aqueduct is located in the ___.

Answer 24

Midbrain

Question 25

Which dermatome is located on the upper limb?

Answer 25

C7

Question 26

Some mitral cell axons cross at the ___?

Answer 26

Anterior commissure

Question 27

Where are the lower motor neurons that innervate the hand located?

Answer 27

Retrodorsal nucleus

Question 28

The posterior spinocerebellar tract originates from which nucleus?

Answer 28

Dorsal thoracic (Clarke's)

Question 29

Ascending fibers of the medial longitudinal fasciculus (MLF) end in the:

Answer 29

Oculomotor nuclei

Question 30

What lobe contains the auditory cortex?

Answer 30

Temporal

Question 31

The cause of the most common basal ganglia disorder is

Answer 31

Dopamine depletion in the substantia nigra

Question 32

The Purkinje cells of the pontocerebellum (neocerebellum) projects fibers mainly to the ___ nucleus

Answer 32

Dentate

Question 33

Which thalamic nucleus is a relay for somatosensory pathways?

Answer 33

Ventral posterior

Question 34

What is the most common type of glial cell?

Answer 34

Astrocyte

Question 35

Where are alpha motor neurons found?

Answer 35

Grey matter of the spinal cord

Question 36

What is a CNS fiber tract?

Answer 36

A bundle of nerve fibers with the same function

Question 37

What sulcus/fissure splits the cerebral hemispheres?

Answer 37

Longitudinal

Question 38

Which artery passes over the corpus callosum?

Answer 38

Anterior cerebral

Question 39

Which artery supplies most of the lateral cerebrum?

Answer 39

Middle cerebral

Question 40

Where are the third order nuerons of a somatosensory pathway located?

Answer 40

Thalamus