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Nervous system

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Nervous system

Question 1 of 10

1

What covers some nerve cells?

Select one of the following:

  • melanin

  • monocyte

  • myelin

  • melatonin

Explanation

Question 2 of 10

1

The regulation of automic function, such as the heart rate and blood pressure, originates in the;

Select one of the following:

  • cerebrum

  • cerebellum

  • diencephalon

  • medulla oblongata

Explanation

Question 3 of 10

1

The meningeal layer that adheres to the surface contour of the brain, extending to every fold and curve, is the;

Select one of the following:

  • pia mater

  • dura mater

  • arachnoid mater

  • neural cortex

Explanation

Question 4 of 10

1

Question 4
.

10 out of 10 points


Cerebrospinal fluid is produced and secreted in the;

Select one of the following:

  • hypothalamus

  • choroid plexus

  • medulla oblongata

  • crista galli

Explanation

Question 5 of 10

1


The primary purpose of the blood brain barrier is to;

Select one of the following:

  • provide the brain with oxygenated blood

  • drain venous blood via the internal jugular veins

  • isolate neural tissue in the central nervous system from the general circulation

  • regulates blood pressure

Explanation

Question 6 of 10

1

The final relay point for ascending sensory information that will be projecting to the primary sensory cortex is the

Select one of the following:

  • hypothalamus

  • thalamus

  • spinal cord

  • medulla oblongata

Explanation

Question 7 of 10

1

Question 7
.

10 out of 10 points


The components of the central nervous system include;

Select one of the following:

  • the spinal cord and cranial nerves

  • the brain and spinal cord

  • the sympathetic and parasympathetic nervous systems

  • the cranial nerves and spinal nerves

Explanation

Question 8 of 10

1

Co-ordination of learned movement patterns at the subconscious level is performed by;

Select one of the following:

  • the cerebellum

  • the substantia nigra

  • association fibres

  • the hypothalamus

Explanation

Question 9 of 10

1

The brain is protected from shock and infection by;

Select one of the following:

  • bones, meninges and cerebrospinal fluid

  • gray matter, bones and the primitive structures

  • the blood-brain barrier, cerebrospinal fluid and white matter

  • axons, neurones and meninges

Explanation

Question 10 of 10

1

Question 10
.

10 out of 10 points


The visual receptors of the retina are composed of;

Select one of the following:

  • the pupil and lens

  • the optic disk and optic nerve

  • vitreous humor and aqueous humor

  • rods and cones

Explanation

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