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Midterm 2 - Physiology > CNS 3 > Flashcards

CNS 3 Flashcards

1
Q

what directs attention to stimuli of special interest (parent/child relationship)

A

Thalamus

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2
Q

they have a crude awareness but can’t pinpoint the location or intensity of the stimuli (just a relay station )

A

Thalamus

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3
Q

it is the site where almost all sensory stimuli come in except smell

A

Thalamus

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4
Q

Thalamus is the region where Nearly all sensory information passes through except for

A

olfaction, or the sense of smell)

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5
Q

Hypothalamus is under or above the thalamus

A

Under

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6
Q

hypothalamus makes up how many % of the brain tissue

A

less than 1%

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7
Q

what is the control center of the homeostatic function

A

hypothalamus

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8
Q

hypothalamus is the link btw ___________and _______________ystem

A

Nervous and endocrine systems

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9
Q

What brain area is most involved in regulating the internal environment (negative and positive feedback)?

A

hypothalamus

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10
Q

what controls the behaviours of the individual like eating and drinking

A

hypothalamus

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11
Q

hypothalamus is involved in the survival of the body and the species because

A

it is linked to 2 glands

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12
Q

What are the two hypothalamus glands and sub-divisions:

A
  1. Pituitary
    a. posterior pituitary
    b. anterior pituitary
  2. Pineal
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13
Q

Oxytocin is released when?

A
  1. During childbirth
  2. Lactation process
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14
Q

What gland is involved in the release of oxytocin?

A

Posterior pituitary gland

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15
Q

Which gland is involved in gonad; sperm and ovum reproduction?

A

Anterior pituitary gland

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16
Q

which gland is involved in growth hormone and has a direct effect on metabolism?

A

Anterior pituitary gland

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17
Q

which gland is involved in the production of prolactin during pregnancy and early childhood?

A

Anterior pituitary gland

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18
Q

Prolactin plays a key role in lactation (milk production) in women
True or False

A

True

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19
Q

why can’t most breastfeeding mothers get pregnant?

A

because they have high levels of prolactin which reduces ovulation

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20
Q

what gland releases vasopressin?

A

posterior pituitary gland

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21
Q

What is the function of vasopressin?

A

regulate kidney function (fluid intake and excretion) and controls blood pressure

22
Q

What kind of hormone is vasopressin?

A

anti diuretic hormone

23
Q

which gland helps us sleep by producing melatonin?

A

pineal gland

24
Q

what happens when melatonin production not happening at the right times of day?

A

Jet lag

25
Q

which gland plays a role in circadian rhythm (sleep-wake cycle and the body’s internal clock)

A

pineal gland

26
Q

____ are hormones and neurotransmitters that are involved in the body’s “fight or flight” response.

A

catecholamine

27
Q

what secretes catecholamine

A

the hypothalamus
When the hypothalamus perceives a threat or stressor, it activates the autonomic/sympathetic nervous system, which in turn stimulates the adrenal glands to release catecholamines into the bloodstream.

28
Q

what part of the brain is important in balancing, planning, and executing voluntary movement?

A

cerebellum

29
Q

what are the three diff parts of the cerebellum

A

vestibulo cerebellum
spino cerebellum
cerebro cerebellum

30
Q

which part of the cerebellum is important in maintaining balance and controlling eye movement

A

vestibulo cerebellum

31
Q

which part of the cerebellum is involved with the inner ear to maintain equilibrium

A

vestibulo cerebellum

32
Q

which part of the cerebellum covers precise fine voluntary movements

A

spino cerebellum

33
Q

how does the spino cerebellum cover precise fine voluntary movement?

A

*looks at the intention of the higher cortex

*looks at the performance of the peripheral muscles
corrects any deviation

34
Q

which part of the cerebellum enhances muscle tone and coordinates skilled voluntary movements?

A

spino cerebellum

35
Q

which part of the cerebellum deals with skilled motor movement

A

spino cerebellum

36
Q

what is the site of procedural memories (the site of what we do repetitively like a dancer )?

A

cerebro cerebellum

37
Q

which part of the cerebellum plays a role in planning and initiating voluntary activity by providing input to cortical motor areas?

A

cerebro cerebellum

38
Q

the cerebro cerebellum plays a role in planning and initiating voluntary activity by

A

providing input to cortical motor areas

39
Q

what is the most primitive region of the CNS and its the site of the origin for the 12 cranial nerves?

A

brain stem

40
Q

what controls life sustaining processing such as respiration, circulation and digestion

A

brain stem

41
Q

Most of the cranial nerves innervate the head and neck except which

A

Cranial Nerve X: Vagus nerve

42
Q

what are the twelve cranial nerves and which has sensory or motor fibers or both?

A

I. Olfactory - sensory fiber
II. Optic - sensory fiber
III. Oculomotor - motor fiber
IV. Trochlear - motor fiber
V. Trigeminal - both fibers
VI. Abducens - motor fiber
VII. Facial - both
VIII. Vestibulocochlear - sensory fiber
IX. Glossopharyngeal - both fibers
X. Vagus - both fibers
XI. Accessory - motor fiber
XII. Hypoglossal - motor fiber.

nerves - oh oh oh to touch and feel very gentle virgins AH

motor fibers - Some Say Marry Money But My Brother Says Big Boobs Matter More

43
Q

the Brain stem consists of

A

midbrain
pons
medulla oblongata

44
Q

which part of the brain stem never changes

A

midbrain

45
Q

which part of the brain stem is responsible for breathing and transferring info

A

pons

46
Q

which part of the brain stem is the vomiting center

A

medulla oblongata

47
Q

which part of the brain stem is for eye reflexes and auditory eye movement

A

midbrain

48
Q

which part of the brain stem controls blood pressure

A

medulla oblongata

49
Q

which part of the brain stem is controls swallowing

A

medulla oblongata

50
Q

the forebrain structure that encircles the brain stem?

A

Diencephalon which contains the hypothalamus which is part of the limbic system

Midterm 2 - Physiology (10 decks)

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