Anatomy Final Practice Test

Front 1

This brain vesicle gives rise to the midbrain and cerebral aqueduct.

Back 1

Mesencephalon

Front 2

This part of the neuron contains the nucleus and Nissl bodies.

Back 2

B

Front 3

Which of the following is NOT a function of the nervous system?

Back 3

All functions are part of the nervous system

Front 4

Which of the following are divisions of the peripheral nervous system?

Back 4

All of the choices

Front 5

Which of the three spinal meninges is the most superficial?

Back 5

Dura mater

Front 6

Which of the following types of cells display the property of electrical excitability?

Back 6

All of these choices

Front 7

In the diagram, where are axon terminals?

Back 7

H

Front 8

Which of the following is NOT a major region of the brain?

Back 8

Cauda equina

Front 9

Which of the diagrams in the figure represents a ligand-gated channel?

Back 9

b

Front 10

This type of neuron has one dendrite and one axon emerging from the cell body.

Back 10

Bipolar neuron

Front 11

Which of the structures listed below contains cerebrospinal fluid?

Back 11

Subarachnoid space

Front 12

A polarized cell

Back 12

All of these choices are correct

Front 13

Saltatory conduction

Back 13

occurs only in myelinated axons

Front 14

What is the structural classification of the neuron labeled A?

Back 14

multipolar neuron

Front 15

Which of the following brain structures consists of the medulla oblongata,pons and midbrain?

Back 15

Brain stem

Front 16

This type of nervous tissue contains neuronal cell bodies, dendrites,and neuroglial cells.

Back 16

gray matter

Front 17

An excitatory neurotransmitter _________ the postsynaptic membrane.

Back 17

depolarizes

Front 18

What spinal cord feature is the area where the nerves that supply the lower limb emerge?

Back 18

lumbar enlargement

Front 19

What is the structural classification of the neuron labeled B?

Back 19

bipolar neuron

Front 20

Which of the following types of neurons is the most common type of neuron found in the brain and spinal cord?

Back 20

multipolar neuron

Front 21

Which of the following brain structures consists of the thalamus,hypothalamus and epithalamus?

Back 21

Diencephalon

Front 22

Which of the following meninges has two layers?

Back 22

Cranial dura mater

Front 23

Which of the following structures contains only sensory axons that conduct nerve impulses from sensory receptors in the skin, muscles and internal organs to the CNS?

Back 23

Posterior root of spinal nerves

Front 24

This extension of the dura mater separates the two hemispheres of the cerebrum.

Back 24

Falx cerebri

Front 25

Which of the following types of neurons have one axon and one dendrite emerging from the cell body and are found in the retina of the eye, inner ear, and olfactory region of the brain?

Back 25

bipolar neuron

Front 26

Which of the labeled cells in the figure is NOT a neuroglial cell?

Back 26

c

Front 27

This protects the brain by preventing the movement of harmful substances and pathogens from the blood into the brain tissue.

Back 27

blood brain barrier

Front 28

Which layer of protective connective tissue is the outermost covering surrounding a spinal nerve?

Back 28

epineurium

Front 29

Cerebrospinal fluid carries small amounts of chemicals like glucose from the______ to neurons and neuroglia.

Back 29

blood

Front 30

Spinal nerves

Back 30

1,2,3

Front 31

Which of the following is a fluid-filled cavity located in each hemisphere of the cerebrum?

Back 31

lateral ventricle

Front 32

These white matter tracts of the spinal cord carry sensory information.

Back 32

Ascending tracts

Front 33

This is a narrow fluid-filled cavity found along the midline superior to the hypothalamus and between the right and left halves of the thalamus.

Back 33

third ventricle

Front 34

Which of the following describes a function of cerebrospinal fluid?

Back 34

all of the choices

Front 35

What type of information is carried in the descending tracts of the spinal cord?

Back 35

Motor only

Front 36

These are networks of capillaries found in the walls of the ventricles of the brain that produce cerebrospinal fluid.

Back 36

Choroid plexuses

Front 37

This is a netlike region of white and gray matter that extends throughout the brainstem and functions to help maintain consciousness.

Back 37

Reticular formation

Front 38

Which of the following parts of a reflex arc monitors body conditions?

Back 38

Sensory receptor

Front 39

This region of the brain contains pneumotaxic and apneustic areas that help control respiration.

Back 39

pons

Front 40

Pyramids are

Back 40

white matter protrusions found on the medulla oblongata

Front 41

Which of the following parts of a reflex arc receives sensory information and decides how to respond to a change in the body’s condition?

Back 41

integration center

Front 42

Medullary nuclei are

Back 42

masses of gray matter in the medulla oblongata

Front 43

Which of the following parts of a nervous reflex arc is usually a muscle or gland?

Back 43

effector

Front 44

Which of the following nuclei are found in the pons?

Back 44

all of the choices

Front 45

Which of the following parts of a reflex arc would have a cell body in the posterior root ganglion?

Back 45

sensory neuron

Front 46

Which of the following is a nucleus found in the midbrain that releases dopamine?

Back 46

substantia nigra

Front 47

A reflex pathway having only one synapse in the CNS is called a

Back 47

none of these choices

Front 48

This region of the brain serves as the major relay station for most sensory impulses that reach the primary sensory areas of the cerebral cortex from the spinal cord and brain stem.

Back 48

Thalamus

Front 49

In above diagram-Where is the subarachnoid space?

Back 49

e

Front 50

In above diagram -Where is the arachnoid mater?

Back 50

H

Front 51

In above diagram -Which layer is the dura mater?

Back 51

I

Front 52

Which of the following are NOT controlled by the hypothalamus?

Back 52

Blood calcium concentration

Front 53

In above diagram-Where is the posterior median sulcus?

Back 53

A

Front 54

In above diagram- Where is the anterior gray horn?

Back 54

H

Front 55

In above diagram- Where is the anterior white column?

Back 55

I

Front 56

In above diagram- Which portion of the spinal cord contains the cell bodies of somatic motor neurons and motor nuclei?

Back 56

H

Front 57

Which of the following regions of the brain contain the pineal gland?

Back 57

epithalamus

Front 58

During brain development, the gyri of the cerebrum are formed because

Back 58

the gray matter grows faster than the underlying white matter

Front 59

In above diagram- What is labeled B in the diagram?

Back 59

Cervical enlargement

Front 60

In above diagram- What is labeled D in the diagram?

Back 60

Lumbar enlargement

Front 61

In above diagram- What is labeled E in the diagram?

Back 61

Conus medullaris

Front 62

In above diagram- What is labeled G in the diagram?

Back 62

Cauda equina

Front 63

Which of the following structures conducts nerve impulses between the two different hemispheres of the cerebrum?

Back 63

Corpus callosum

Front 64

Together the lentiform and caudate nuclei are known as the

Back 64

corpus striatum

Front 65

Which of the following functional areas of the cerebrum is responsible for sensing body touch and temperature?

Back 65

primary somatosensory area

Front 66

Which of the following functional areas of the cerebrum is responsible for vision?

Back 66

primary visual area

Front 67

Which of the following functional areas of the cerebrum is responsible for conscious movements of the body?

Back 67

primary motor area

Front 68

Which of the following functional areas of the cerebrum is responsible for speech?

Back 68

brocas area

Front 69

Which of the following lists the connective tissue coverings of the axons,fascicles, and entire nerve in the correct order?

Back 69

endoneurium, perineurium, epineurium

Front 70

The cell bodies of the sensory neurons that carry information from theperiphery to the spinal cord are located in the

Back 70

posterior root ganglions

Front 71

Which of the following cranial nerves carries sensory information coming from the nasal cavity to the olfactory area of the cerebrum?

Back 71

cranial nerve I

Front 72

Which of the following cranial nerves control movements of the eyeball?

Back 72

III, IV, VI

Front 73

Cranial nerve V is also known as the _______________ nerve.

Back 73

trigeminal

Front 74

Which of the following cranial nerves is responsible for regulating visceral activity?

Back 74

vagus

Front 75

Which of the following cranial nerves is primarily responsible for changing facial expressions?

Back 75

Facial

Front 76

Which of the labeled structures in the diagram is the thalamus?

Back 76

B

Front 77

Which of the labeled structures in the diagram contains centers that control heart rate and blood pressure?

Back 77

D

Front 78

Which cranial nerve that serves the eyes has a purely sensory function?

Back 78

b

Front 79

Which cranial nerve in the diagram is primarily involved in the sense of vision?

Back 79

b

Front 80

Which cranial nerve in the diagram has a somatic motor function primarily involved in moving the upper eyelid and eyeball?

Back 80

C

Front 81

Damage to which cranial nerve in the diagram will cause the inability of an eyeball to move laterally beyond the midpoint?

Back 81

F

Front 82

Patients with damage in the left hemisphere often exhibit aphasia (inability to use or comprehend words). This is an example of

Back 82

Hemispheric lateralization

Front 83

An electroencephalogram (EEG) measures brain waves primarily generated by

Back 83

neurons in the cerebral cortex

Front 84

This type of brain wave occurs at regular intervals when a person is awake but not when a person is sleeping.

Back 84

Alpha

Front 85

Brain waves that generally appear during periods of sensory input andmental activity are called

Back 85

Beta waves

Front 86

Brain waves that appear in adults and children during periods of emotional stress are called

Back 86

Theta waves

Front 87

Blood flows to the brain through the ________ arteries and away from the brain through the _______ vein.

Back 87

internal coratid and vertebral; internal jugular

Front 88

Which of the following statements best describes the structure of the blood-brain barrier that provides its functional characteristics?

Back 88

tight junctions tightly seal endothelial cells of capillaries in the brain

Front 89

A deep indentation found along the medial plane that separates the right and left cerebral hemispheres is called the

Back 89

longitudinal fissure

Front 90

The central sulcus of the cerebrum separates the

Back 90

frontal lobe form the parietal lobe

Front 91

This lobe of the cerebrum is found deep to the other four lobes and thus cannot be observed from the surface.

Back 91

insula

Front 92

Which of the following types of tracts are used to conduct nerve impulses between gyri within the same cerebral hemisphere?

Back 92

Association tracts