Nervous Tissue

Question 1

The CNS is made of the:

Answer 1

brain and spinal cord

Question 2

The PNS contains

Answer 2

cranial nerves, spinal nerves and ganglia

Question 3

somatic sensory functions are considered ___

Answer 3

voluntary

Question 4

visceral sensory components are considered ___

Answer 4

involuntary

Question 5

somatic motor is typically under ____ control

Answer 5

voluntary

Question 6

autonomic motor is _____

Answer 6

involuntary

Question 7

When the autonomic motor component does not function properly, it leads to a condition called

Answer 7

dysautonomia

Question 8

immature ____ cells in the _____ could be becoming new neurons in adults

Answer 8

progenitor, hippocampus

Question 9

immature progenitor cells are called

Answer 9

neural stem cells

Question 10

____ cells but not ___ cells are able to perform mitosis

Answer 10

glial, neuron

Question 11

The _____ is responsible for memory processing the brain

Answer 11

hippocampus

Question 12

the autonomic motor component is divided into the _____ and _____-

Answer 12

sympathetic and parasympathetic

Question 13

Neoplasms from unregulated ell growth in the nervous system are composed of ___ cells

Answer 13

glial

Question 14

_____ is the spreading of cancer

Answer 14

metastasis

Question 15

____ cells far outnumber ____

Answer 15

glial, neurons

Question 16

____ cells do not transmit nerve impulses

Answer 16

glial

Question 17

_____ in the CNS and ____ cells in the PNS produce insulating material called ___

Answer 17

oligodendrocytes, Schwann, myelin

Question 18

The ___ ____ ____ protects the brain from toxins but allows some nutrients and so is considered ___ _____ partially due to surrounding ____

Answer 18

blood brain barrier, selectively permeable, astrocytes

Question 19

cells that line the internal cavities or ___ of the brain and the ___ ___ of the spinal cord are called:

Answer 19

ventricles, central canal, ependymal

Question 20

_____ ___ and nearby blood capillaries together form a network called ____ ____ which produces ____ ____ ____

Answer 20

ependymal cells, choroid plexus, cerebral spinal fluid

Question 21

ependymal cells have ___ on their apical surfaces that help circulate CSF

Answer 21

cilia

Question 22

What happens in the 3rd week of development of an embryo?

Answer 22

the neural groove appears and by the end, the groove has fused to form a neural tube

Question 23

the cranial part of the neural tube expands to for the __ and the caudal part expands to for the ___ ___

Answer 23

brain, spinal cord

Question 24

Ascending paralysis is a condition related to

Answer 24

guillane barre syndrome

Question 25

What syndromes result in demyelination?

Answer 25

MS, GBS, multifocal motor neuropathy

Question 26

What disease is a result of reduced dopamine?

Answer 26

Parkinson’s

Question 27

What is a fast progressing degenerative disease that is usually not inherited?

Answer 27

Amyotrophic lateral sclerosis

Question 28

a blood clot that blocks the blood flow to a portion of the brain is an ___ stroke

Answer 28

ischemic

Question 29

a section of an artery bursts and bleeds in the brain is a ___ stroke

Answer 29

hemorrhagic

Question 30

having a substantial or complete absence of brain at birth is ___

Answer 30

ancephaly

Question 31

spina bifida ___ is more serious and usually leads to ____ whereas spina bifida ___ is asymptomatic

Answer 31

cystica, paralysis, occulta