Quiz 3: nerves, brain anatomy

Which is True? I. The parasympathetic nervous system originates in the cranial and sacral regions II. The parasympathetic nervous system is the activating part of the autonomic nervous system A. Only I is true B. Only II is true C. Both I and II are true D. Neither I nor II are true

A. Only I is true

There are __ cervical nerves, __ thoracic nerves, __ lumbar nerves and __ sacral nerves A. 8, 15, 5, 2 B. 8, 12, 5, 5 C. 5, 5, 8, 12 D. 8, 5, 12, 5

B. 8, 12, 5, 5

I. Gray matter in the spinal cord is located on the periphery, like in the brain II. White matter in the spinal cord contains both ascending and descending tracts A. Only I is correct B. Only II is correct C. Both I and II are correct D. Neither I nor II is correct

B. Only II is correct

Which is True? I. The ventral root of a spinal nerve contains efferent fibers II. The dorsal root of a spinal nerve conveys sensory information A. Only I is true B. Only II is true C. Both I and II are true D. Neither I nor II is true

C. Both I and II are true

Which is True?: I. Someone with a serious spinal cord injury at the T5 level is likely quadriplegic II. Someone with a serious spinal cord injury at the C2 level is likely (only) paraplegic A. Only I is correct B. Only II is correct C. Both I and II are correct D. Neither I nor II is correct

D. Neither I nor II is correct

The eighth cranial nerve is called

The vestibulocochlear nerve, the statoacoustic nerve, and the auditory-vestibular nerve

A young woman recovering from a blow to the head finds she has great difficulty maintaining her balance and coordinating her movements. Injury to what part of her brain is likely to be causing her difficulties?

cerebellum

The two hemispheres of the brain are separated by the:

longitudinal fissure

The part of the hindbrain that is involved in vegetative functions such as breathing is known as the _________

medulla oblangata

Cranial nerves II, III, IV and VI are

the optic, oculomotor, trochlear, and abducens nerves