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Anatomy > Test 4 Old questions > Flashcards

Test 4 Old questions Flashcards

1
Q

The structure that contains nuclei that regulates body temperature, water balance, appetite, and GI activity is the:

A

a) hypothalamus

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2
Q

the diencephalon

A

a) is the center of abstract thought
b) contains the medulla oblongata
c) consists of the tectum, tegmenjtum, and basis pedunculi
d) controls ventilation rates
e) none of the above**

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3
Q

The location of a pin prick on the bottom of the foot would be located by what structure

A

post-central gyrus**

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4
Q

The major control systems for balance and posture in the body as well as muscular coordination are located in the:

A

cerebellum**

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5
Q

The thalamus

A

integrates almost all afferent information**

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6
Q

Coordination of the movement of the eyes is controlled

A 
by the cerebellum
by the hypothalamus
by the reticular formation
by the inferior colliculi
none of the above**
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7
Q

A blow to the back of the head frequently

A

causes blurred vision**

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8
Q

A mid-sagittal cut would run along

A

the longitudinal fissure**

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9
Q

The major control systems for balance and posture in the body as well as muscular coordination are located in the

A

cerebellum**

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10
Q

The myelin sheath of peripheral nerves is broken into segments by the

A

nodes of ranvier**

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11
Q

Nissl bodies are

A

rough endoplasmic reticulum*

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12
Q

the capillaries are kept in proper position with the neurons by

A

astrocytes**

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13
Q

The circle of Willis is derived from what branches from

A

internal carotid artery**

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14
Q

The neuroglia that form myelin in the CNS and guide the development of neurons in the CNS are

A

oligodendrocytes

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15
Q

Which of the following is NOT true of neurons?

A

they are the most abundant cells of nervous tissue**

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16
Q

Cerebrospinal fluid is NOT found circulating in the

A

brachial plexus**

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17
Q

The two anatomical divisions of the nervous system are

A

central and peripheral**

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18
Q

Which part of nervous system is responsible for the fight or flight response?

A

sympathetic nerve system**

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19
Q

Which of the following is not the part of brain stem?

A

cerebellum**

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20
Q

In the brain map, which of the following matching about location and function is wrong?

A

postcentral gyrus -> premotor**

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21
Q

Which of the following is NOT a paired cerebral lobe?

A

the medullary lobe**

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22
Q

The visual area is located in the

A

occipital lobe**

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23
Q

Neurofilaments

A

provide structural integrity for the axon**

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24
Q

The area considered to be the site of origin of the higher intellectual activities that are characteristic of humans is known as the

A

frontal association area**

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25
Q

The great commissural tract of the cerebrum is the

A

corpus callosum**

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26
Q

The blood brain barrier

A

is formed from densely packed capillaries and neuroglia cells**

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27
Q

Myelin sheath of CNS is formed from

A

oligodendrocytes

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28
Q

Depolarization of the axon terminal results in

A

-A rapid rise in calcium concentration near the neurolemma
-A fusion of the vesicles of neurotransmitter substance with the neurolemma
-An activation of synapsin
=An exocytosis of neurotransmitter in to the synaptic cleft

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29
Q

The corpus callosum

A

Serves as a connection between the hemispheres

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30
Q

The region of the brain for the abstract thought in humans is know as the

A

Frontal cortex

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31
Q

The structure that contains nuclei that regulate body temperature, water balance, appetite, and gastro-intestinal activity is the

A

Hypothalamus

32
Q

The elevated ridges of the cerebrum are known as

A

Gyri

33
Q

The thalamus is the relay center for all sensory input except for

A

Olfaction

34
Q

Degeneration of what cells in the basal ganglia results in delayed initiation of movement

A

Dopaminergic

35
Q

The source for metabolism in the brain is primarily

A

Carbohydrates→Glucose

36
Q

The coordination of eye movement is controlled by the

A

Superior colliculi

37
Q

Limbic system

A

Is the emotional center

38
Q

Alzheimer’s

A
  • Has the presence amyloid plaques
  • Frequently has neurofibrillary tangles within the neurofilaments
  • Causes membrane instability within neurons of the brain
  • May result in aggressive behavior
39
Q

Longitudinal fissure

A

Divides the brain into right and left hemispheres

40
Q

The cross-extensor reflex

A

Causes inhibition of the agonist on the contralateral side and facilitation of the antagonist on the contralateral side

41
Q

The visual area is located in the

A

Occipital lobe

42
Q

The myelin sheath of peripheral nerves is broken into segments

A

Nodes of Ranvier

43
Q

Nissl bodies are

A

Rough endoplasmic reticulum

44
Q

The capillaries are kept in proper position with the neurons by

A

Astrocytes

45
Q

The circle of Willis is derived from what branches

A

Internal carotid artery

46
Q

Cerebral spinal fluid is formed

A

Choroid plexus

47
Q

The precentral gyrus

A

Has pyramidal cells that control precise motor functions

48
Q

Broca’s area

A

is the motor area for speech

49
Q

The diencephalon includes which of the following structures?

A

thalamus, hypothalamus, and epithalamiums

50
Q

The ventricular system is made of the

A

Lateral ventricles, third ventricle, cerebral aqueduct, and fourth ventricle

51
Q

The ____ separates the frontal and parietal lobes

A

Central sulcus

52
Q

The largest area of the post central gyrus is attributed to the

A

Face

53
Q

______ pathways carrey sensory information while ____ pathways carry motor information

A

Afferent; Efferent

54
Q

Humans have voluntary control over which branch of the nervous system?

A

Somatic

55
Q

At a synapse, the neurotransmitter is released from the ___ membrane

A

Presynaptic

56
Q

Menigitis is a condition characterized by inflammation of the meninges. Why can it become life threatening?

A

The dura mater can rupture

57
Q

The dorsal root ganglion is a collection of

A

Sensory neuron cell bodies

58
Q

Dis-associative drugs impair interaction of thalamus with postcentral gyrus symptoms of these drugs would be manifested with

A

Inability to locate the source of pain on the body

59
Q

Damage to the temporal lobe may result in the inability to

A

Hear

60
Q

Which compound is primarily responsible for length and depth of sleep cycles?

A

Melatonin

61
Q

Which is the correct order of meningeal layers from deep to superficial?

A

Pia mater, arachnoid mater, dura mater

62
Q

The blood brain barrier:

A

Is formed from densely packed endothelial cells

63
Q

Axonal transport of new proteins travels

A

Away from the cell body

64
Q

The startle reflex in response to a large noise to your side is mediated

A

By the inferior colliculi

65
Q

Proprioceptive information to the cerebellum

A

allows the cerebellum to govern the velocity of shortening of a muscle

66
Q

Nitric oxide

A

causes vasodilation

67
Q

Medulla oblongata controls

A

Vasomotor tone, respiratory rate, vomiting reflex, and heart rate

68
Q

The reticular formation

A

Controls level of arousal

69
Q

Multiple sclerosis is an autoimmune disease that attacks oligodendrocytes. What effect would this have on neuron conduction velocity?

A

It would decrease

70
Q

The telencephalon refers to the

A

Cerebral lobes

71
Q

A blow to the back of the head frequently

A

Causes blurred vision

72
Q

The coordination of neck and head movement for optimized reception of sound is associated with

A

inferior coliculi

73
Q

An individual axon will

A

doesn’t release several types of neurotransmitters
does not make direct contact with the post-synaptic membrane
Does not contain Nissl bodies
and Is depolarized by the neurotransmitter released by the PRE-synaptic terminal

74
Q

Aging memory loss is associated with

A

a loss of cholinergic neurons of the hippocampus

75
Q

A mid-sagital cut would run along

A

The longitudinal fissure

76
Q

An inability to recall the answers to the questions on this test may indicate dysfunction of the

A

Hippocampus

Anatomy (17 decks)

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