Physiology of the Nervous Sytem Flashcards

1
Q

Fictionally the brain is divided into the

A
  • Forebrain( Diencephalpn & Cerebrum)
  • Cerebellum
  • Brain Stem.
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2
Q

Brain stem is made up of

A

Medulla oblongata& Pons

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3
Q

The Brain stem helps in?

A

These are centres that control many life processes such as breathing, circulation and other activities of the skeletal muscle.

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4
Q

What is the function of the cerebellum?

A

maintaining proper positioning of the body in space and subconscious co-ordination of motor activity.

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5
Q

True or false ;signals from the balanced organs, auditory and visual systems are integerated in the cerebellum and the information is used to orient an animal relative to its surroundings.

A

True

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6
Q

The forebrain is divided into the

A

It is divided into diencephalon and cerebrum.

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7
Q

……. Houses the hypothalamus and Thalamus

A

The diencephalon

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8
Q

What is the function if the hypothalamus

A

The hypothalamus controls many homeostatic functions which are important in maintaining the stability of the internal milieu

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9
Q

True or False.
Thalamus performs more primitive sensory processing and is a relay station for almost all necessary inputs and for some outgoing commands.

A

True

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10
Q

The cerebrum caps the inner core that houses the

A

basal nuclei.

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11
Q

The highest and most complex integrating area of the brain is the …..

A

Cerebrum

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12
Q

The thing outside layer covering the grey matter is is called the…….

A

Cerebrum

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13
Q

It covers a thick central core called the …….

A

Cerebral medulla

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14
Q

True or false

The basal nuclei are found deep within the grey matter.

A

False The basal nuclei are found deep within the white matter.

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15
Q

What is a reflex?

A

A reflex is a subconscious activity. Which can be internal or external.e.g vomiting

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16
Q

What are the functions of reflexes?

A

Homeostasis. Protective Reasons,

It helps in maintaining balance and Posture.

17
Q

What is the reflex arc?

A

A pathway through which a signal is transferred

18
Q

What are the components of the typical reflex arch?

A

1) Receptors at the site sensitive to stimulus.
2) Sensory Neurons
3) Integrative Centres((Made up of interneurons