Deck 8 (CO): The Nervous System

Question 1

The myelin sheath provides ___________________________ for neurons.

Answer 1

electrical insulation

Question 2

Sensory neurons carry impulses from __________________ to the ___________________.

Answer 2

receptors,CNS

Question 3

The _______________________ form the neurolemma of peripheral neurons.

Answer 3

Schwann cells

Question 4

Nerve impulses cross synapses by means of _______________________________.

Question 5

A group of neurons with shared functions in the CNS is called a(n)___________________.

Question 6

A nerve impulse changes from electrical to chemical at a(n)______________________.

Question 7

The neuroglia that help form the blood-brain barrier are the ________________________.

Question 8

The cranial and spinal nerves form the _______________________ nervous system.

Question 9

An electrical nerve impulse is carried by the ______________________ of a neuron.

Question 10

A(n)____________________ of a neuron carries impulses toward the cell body.

Question 11

The neuroglia that form the myelin sheath in the CNS are the _______________________.

Question 12

A(n)____________________ of a neuron carries impulses away from the cell body.

Question 13

The _______________________ form the myelin sheath of peripheral neurons.

Question 14

A group of neurons with shared functions in the peripheral nervous system is called a(n)___________________.

Question 15

The brain and spinal cord form the _______________________ nervous system.

Question 16

Interneurons carry impulses within the ________________.

Question 17

Motor neurons carry impulses from the ___________________ to ___________________.

Question 18

The neuroglia that are capable of phagocytosis are the ___________________________.

Question 19

The presence of a neurolemma may permit a peripheral neuron to ____________________.

Question 20

The nucleus of a neuron is found in its ________________________.

Question 21

The number of pairs of spinal nerves,in order,from cervical down,is _____,_____,_____,_____,and _____.

Question 22

The ____________________ tracts of the spinal cord carry ________________ impulses away from the brain.

Question 23

There are _________ pairs of thoracic spinal nerves,and they supply the ___________________________.

Question 24

The spinal cord is located in the __________________ canal,and is enclosed by the membranes called _______________________.

Question 25

In a cross-section of the spinal cord,the _________________ matter is interior and is surrounded by the ___________________ matter.

Question 26

The __________________ root of a spinal nerve contains motor neurons,and the ________________ root contains sensory neurons.

Question 27

Depolarization means that ___________________ ions enter the neuron,and the outside of the membrane now has a(n)_____________________ charge.

Question 28

The cell bodies of sensory neurons are located in the ____________________________.

Question 29

The electrical change called __________________________ takes place when a neuron receives a stimulus.

Question 30

There are _________ pairs of cervical spinal nerves,and they supply the ________________.

Question 31

The ventral root of a spinal nerve contains ______________________ neurons.

Question 32

The dorsal root of a spinal nerve contains __________________ neurons.

Question 33

Ascending tracts of the spinal cord may also be called ____________________ tracts,and descending tracts may also be called ______________________ tracts.

Question 34

There are __________ pairs of lumbar spinal nerves and ___________ pairs of sacral spinal nerves,and they supply the _________________________.

Question 35

The part of a reflex arc that detects a stimulus is the ___________________________.

Question 36

The part of a reflex arc that contains one or more synapses is the _____________________.

Question 37

The part of a reflex arc that performs the reflex is the ________________________.

Question 38

The white matter of the spinal cord is made of the _____________________ of interneurons.

Question 39

The ___________________ tracts of the spinal cord carry __________________ impulses toward the brain.

Question 40

The gray matter of the spinal cord is made of the _________________________ of motor neurons and interneurons.

Question 41

The part of the brain that regulates muscle tone is the _______________________.

Question 42

The part of the brain that regulates coughing and sneezing is the ______________________.

Question 43

A hand touching a hot stove is pulled away; this is a(n)______________________ reflex.

Question 44

The part of the brain that regulates blood pressure is the __________________________.

Question 45

The part of the brain that regulates secretions of the anterior pituitary gland is the ______________________________.

Question 46

The part of the brain that regulates body temperature is the _____________________.

Question 47

The parts of the brain concerned with equilibrium and keeping us upright are the _______________________ and ______________________.

Question 48

The part of a reflex arc that carries impulses to the CNS is the _______________________.

Question 49

The parts of the brain that regulate breathing are the _________________ and ____________.

Question 50

The part of the brain that produces the hormones that are stored in the posterior pituitary gland is the __________________________.

Question 51

The part of the brain that regulates heart rate is the _______________________.

Question 52

A reflex is defined as a(n)________________________ response to a(n)__________________.

Question 53

The part of the brain that regulates coordination of voluntary movement is the __________________________.

Question 54

The part of a reflex arc that carries impulses away from the CNS is the ________________.

Question 55

The patellar reflex is an example of a(n)_________________ reflex,and the part of the CNS directly involved is the ________________________.

Question 56

The spinal cord reflexes that help keep the body upright are the _________________ reflexes.

Question 57

The part of the brain with centers for visual and auditory reflexes is the __________________.

Question 58

The part of the brain that regulates eating or not eating is the ______________________.

Question 59

The part of the brain that ensures that a movement will stop at the right spot is the ________________________________.

Question 60

The part of the brain that regulates the functioning of the autonomic nervous system is the __________________________.

Question 61

The part of the brain that contains a choroid plexus is a(n)_________________________.

Question 62

The dura matter is made of ________________________ tissue,and is the __________________________ (location)layer of the meninges.

Question 63

The ______________________ lobe of the cerebrum contains areas for taste and smell.

Question 64

The ______________________ lobe of the cerebrum contains the visual area.

Question 65

Between the pia mater and the arachnoid membrane is the __________________________,which contains ___________________________.

Question 66

The cerebral hemispheres are connected by the ______________________________.

Question 67

The two largest parts of the left motor area of the cerebral cortex are for the __________________________________________.

Question 68

The __________________________ of the brain regulate accessory movements such as gestures.

Question 69

The part of the brain that integrates sensations to relay to the cerebrum is the ________________________.

Question 70

The part of the brain that suppresses unimportant sensations is the ___________________.

Question 71

Cerebrospinal fluid is made from _______________________ by choroid plexuses in the ____________________ of the brain.

Question 72

The part of the brain that is essential for the formation of memories is the ______________________________.

Question 73

The ___________________ lobe of the cerebrum initiates voluntary movement.

Question 74

The ____________________ lobe of the cerebrum enables us to perform movements in sequence.

Question 75

The ______________________ lobe of the cerebrum feels the cutaneous senses.

Question 76

The layer of the meninges that has villi for the reabsorption of cerebrospinal fluid is the _______________________________.

Question 77

The meninges,in order from the surface of the brain outward,are the __________________,the ___________________________,and the ____________________________.

Question 78

The cerebral cortex is located on the _____________________ of the cerebrum and consists of _____________________ matter.

Question 79

The two largest parts of the right general sensory area of the cerebral cortex are for the __________________________________________.

Question 80

The _____________________ lobe of the cerebrum contains the auditory area.