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BIO 137 > Review Deck > Flashcards

Review Deck Flashcards

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Biology 101 flashcards
1
Q

The_ division carry signals from the smooth muscle of the stomach to the CNS

A

Visceral sensory

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2
Q

The_____division calms the body

A

Parasympathetic

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3
Q

Where does Na+ enter the axon in saltatory conduction

A

Node of ranvier

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4
Q

In saltatory conduction, the Na+ travels in a_____ manner under the Myelin sheath

A

Fast, Decremental

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5
Q

_____ make the myelin sheath in the PNS

A

Schwann cells

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6
Q

Excitatory local potentials

A

Depolarize

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7
Q

_____ produce CSF

A

Ependymal cells

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8
Q

_____ excites, skeletal muscle while____ usually has inhibitory effects

A

Acetylcholine; GABA

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9
Q

The neural pool that is noted for still firing. After stimulus is removed is a______ circuit

A

Parallel – after – discharge

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10
Q

Where would a spinal fracture be least likely to cause spinal cord damage?

A

S5

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11
Q

Which of these is the descending tract of the spinal cord?

A

Tectospinal

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12
Q

Which is not a region of the spinal cord

A

Brachial

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13
Q

The signals that control descending analgesic pathways, travel from one cerebral cortex down to the spinal cord in the_______tract

A

Reticulospinal

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14
Q

Which of these is not from the brachial plexus

A

phrenic

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15
Q

The____ is used for motor input of a spinal nerve

A

Anterior root

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16
Q

Sensory nerves have____fibers

A

Afferent

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17
Q

End of spinal cord

A

Medullary cone

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18
Q

Which does not describe a reflex?

A

Voluntary

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19
Q

Steps on a rusty nail with his right foot what reflex will be seen in his right leg?

A

Flexor withdrawal

20
Q

Tendon reflexes

A

Prevent other contraction of muscles

21
Q

What is not part of the brain stem?

A

Cerebrum

22
Q

The cerebrum develops from the

A

Telencephalon

23
Q

Functions of the CSF?

A

Regulate chemical environment, protect brain from cranium, allow brain to reach large size, rinse metabolic wastes

24
Q

CSF is made by

A

The lateral, third, and fourth ventricles

25
Q

What controls basic life processes like heartbreak and breathing?

A

Medulla oblongata

26
Q

Which region of the brain would have the least influence in actions necessary to visually follow horses as they run around Churchill Downs

A

Hypothalamus

27
Q

Dominated by red nucleus; works with cerebellum for fine motor control

A

Tegmentum

28
Q

Gateway to cerebral cortex for somatosensory input

A

Thalamus

29
Q

Sensations of hunger and thirst are sent by

A

Your hypothalamus

30
Q

Used for planning and social judgment

A

Frontal lobe

31
Q

Which is incorrectly matched

A

Temporal; integrate sensory info

32
Q

Associated with expressing emotions

A

Limbic system

33
Q

What is associated with short-term memory?

A

Hippocampus

34
Q

Changes in Na+ content of CSF would be detected by

A

Chemorereceptors

35
Q

What would be involved with bradykinin

A

Nociceptors

36
Q

Which cranial nerve is used for swallowing

A

Glossopharyngeal

37
Q

Detected by free nerve endings

A

Temperature

38
Q

What organ has no nociceptors

A

The brain

39
Q

What lobe is used for smell?

A

Temporal

40
Q

In a wall of digestive system, what controls mobility

A

Ens

41
Q

Nerve route of sympathetic division of the ANS that control sweat glands in blood vessels of skin and skeletal muscles

A

Spinal

42
Q

What relates to night vision

A

Rods; rhodopsin

43
Q

Duplicity theory states

A

Single receptor systems can’t produce high sensitivity and high resolution

44
Q

Can be damaged by listening to music with the volume turned up

A

Cochlear hair cells

45
Q

Lots of cones; best area of vision

A

Fovea centralis

46
Q

Depolarization in stereocilia is caused by

A

K+ gates opened by inner hair cells on basilar membrane hitting tectorial membrane

BIO 137 (2 decks)

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