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Health > Ch 9 Quiz > Flashcards

Ch 9 Quiz Flashcards

1
Q

The two main control systems in the Body

A

Nervous system and endocrine system

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2
Q

The two types of cells that compose nervous tissue

A

Neuroglia, neurons

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3
Q

Specialized cells that do all the support activities for the nervous system

A

Neuroglia

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4
Q

The poison a puffer fish gives off

A

Tetrodotoxin

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5
Q

Two types of seizures

A

Petitmal (mild) and grand mal (severe)

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6
Q

Three portions of the brain stem

A

Midbrain, pons, medulla oblongata

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7
Q

Three of the common neurotransmitters

A

Epinephrine , endorphins, serotonin

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8
Q

Hallow tube running inside the vertebral column , from the foremen of the skull to the second lumbar vertebrae

A

Spinal cord

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9
Q

Two bioterrorism chemicals that inhibit acetycholinesterase

A

Organophosphate insecticides and sarin nerve gas

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10
Q

Series of protective membranes that surround the brain and spinal cord

A

Meninges

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11
Q

How many neurons in the human brain

A

100 billion

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12
Q

Average weight of the human brain

A

3 pounds

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13
Q

Three familiar reflexes

A

Withdrawal reflex -keeps you straight
Vestibular reflex - keeps you vertical
Startle reflex - causes you to jump at loud sounds

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14
Q

Two of the most common causes of spinal cord injuries

A

Automobile accident, fall

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15
Q

Three main sections a brain has that can be seen externally

A

Cerebrum , cerebellum , brain stem

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16
Q

The 5 lobes of the cerebrum

A

Frontal , parietal, occipital , temporal , insula

17
Q

How are the lobes of the cerebrum named

A

According to the skull bones that cover them

18
Q

How many sections the brain stem can be divided into

A

Three sections

19
Q

Fluid filled cavities in the brain

A

Ventricles

20
Q

Composed of the nerves outside the brain and spinal cord

A

Peripheral nervous system

21
Q

Similar to fingerprints the - and - in the cerebral cortex are different on every brain

A

Sulci and gyri

22
Q

Neuron that receives info from the environment or from other cells

A

Dendrite

23
Q

Special chemical used to send signals across the synapse

A

Neurotransmitter

24
Q

Type of paralysis were muscles are floppy and reflexes are decreased or absent

A

Flaccid

25
Q

Outer layer of gray matter in the cerebrum

A

Cortex

26
Q

Progressive disease characterized by resting tremor , slow movements , impaired balance , and emotional and cognitive disturbances

A

Parkinson’s disease

27
Q

Amyotrophic lateral sclerosis is more commonly known as

A

Lou Gehrig’s disease

28
Q

Which disease has symptoms of varying confusion, memory loss, cognitive defects and personality changes ?

A

Alzheimer’s disease

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