What covers some nerve cells?
melanin
monocyte
myelin
melatonin
The regulation of automic function, such as the heart rate and blood pressure, originates in the;
cerebrum
cerebellum
diencephalon
medulla oblongata
The meningeal layer that adheres to the surface contour of the brain, extending to every fold and curve, is the;
pia mater
dura mater
arachnoid mater
neural cortex
Question 4 .
10 out of 10 points
Cerebrospinal fluid is produced and secreted in the;
hypothalamus
choroid plexus
crista galli
The primary purpose of the blood brain barrier is to;
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
The final relay point for ascending sensory information that will be projecting to the primary sensory cortex is the
thalamus
spinal cord
Question 7 .
The components of the central nervous system include;
the spinal cord and cranial nerves
the brain and spinal cord
the sympathetic and parasympathetic nervous systems
the cranial nerves and spinal nerves
Co-ordination of learned movement patterns at the subconscious level is performed by;
the cerebellum
the substantia nigra
association fibres
the hypothalamus
The brain is protected from shock and infection by;
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
Question 10 .
The visual receptors of the retina are composed of;
the pupil and lens
the optic disk and optic nerve
vitreous humor and aqueous humor
rods and cones
