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Flashcards in Test 2 Quizes Deck (27):
1

Which of the following ranges of spinal nerves typically contributes to the brachial plexus?

C5-T1

2

The sympathetic division of the autonomic nervous system is ___________________ in origin

Thoracolumbar

3

The dural fold that projects into the space between the cerebral hemispheres and the cerebellum is called the ___________________.

Tentorium Cerebelli

4

The epidural space is located directly between the ______________ and the ____________________.

Cranial bone, dura mater

5

The lens of the human eye focuses light on the retina by ___________________________.

Changing shape

6

The primary somatosensory cortex is located on the surface of the _____________________________.

Postcentral gyrus

7

From which plexus does the obturator nerve arise?

Lumbar

8

Ganglionic neurons innervate such things as __________________________________

Cardiac, smooth, adipose muscle, and glands

9

The cranial nerve that innervates the muscles of mastication is _________________.

Trigeminal (V)

10

Which of the following regions of the cochlea specifically translates bass (low frequency) sounds?

Furthest away from tympanic membrane

11

Which of the following is the location on the retina that introduces a blind spot into the visual field?

Optic disc

12

Which of the following nerves innervates muscles that dorsiflex at the ankle ("foot off the gas")?

Deep fibular

13

After suffering a stroke, Mary finds that she cannot move her left arm. This would suggest that the stroke damage is in the area of the _____________________ lobe

Right frontal

14

Which of the following anatomical sequences is correct?

Tympanic membrane – malleus – incus – stapes – oval window – cochlea

15

Sleep and wakefulness/consciousness are controlled by neurons in the _________________________

Midbrain

16

The lateral and third ventricle are linked by a passageway called the ________________________.

Interventricular foramen

17

Which of the following muscles would you expect to be innervated by the musculocutaneous nerve as a terminal branch of the brachial plexus?

Biceps Brachii

18

Which of the following cranial nerves is sensory ONLY

Vestibulocochlear (VIII)

19

Which of the following types of neuroglia functions as an important component of the blood-brain barrier?

Astrocytes

20

The sensations of smell, taste, vision, balance and hearing are initially sensed by receptors called _______________________.

Special sensory receptors

21

By definition, the brain and spinal cord together are considered to be the _________________________________.

CNS

22

Which of the following accurately describes the role of myelin in the central nervous system?

“Insulates” axons increasing the speed of impulse conduction

23

How many pairs of spinal nerves arise from the cervical region of the spinal cord?

8

24

At which of the following vertebral levels does the spinal cord typically taper to an end as the conus medullaris?

L1

25

The outermost of the meningeal coverings of the spinal cord is the

Dura mater

26

Which of the following accurately describes the reason for the existence of cervical and lumbar enlargements in the spinal cord?

Enlargements are regions of the cord that contain more neurons for innervation of extremities

27

Which of the following structural components of a neuron typically function as the “receiving end” for information coming to the neuronal cell body?

Dendrites