2026 225 Questions and 100% Verified Correct
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12 cranial nerves - CORRECT ANSWER: 1. Olfactory
2. Optic
3. Oculomotor
4. Trochlear
5. Trigeminal
6. Abducens
7. Facial
8. Vestibulocochlear
9. Glossopharyngeal
10. Vagus
11. Accessory
12. Hypoglossal
4 main parts of the brain stem - CORRECT ANSWER: 1. Brain Stem
2. Diencephalon
3. Cerebrum
4. Cerebellum
afferent or sensory - CORRECT ANSWER: Convey info from the receptors in the central
nervous system
All or none law - CORRECT ANSWER: If nerve fibre carries impulses it carries a full
strength impulse
,Anterior or ventral root - CORRECT ANSWER: Motor root, contains motor nerve fibres
only and conducts impulses from the spinal cord tp periphery(e.g. muscle)
arachnoid mater( spider layer) - CORRECT ANSWER: Delicate connective
membranous tube inside the dura mater
Astrocytes - CORRECT ANSWER: Star shaped that wrap around nerve cells
Autonomic Nervous System - CORRECT ANSWER: Controls all involuntary functions in
the body
autonomic nervous system - CORRECT ANSWER: Involuntary- conducts impulse from
the brain and the spinal cord to smooth muscles (e.g. intestines) cardiac muscle, glands
Axon - CORRECT ANSWER: Long finer, peripheral axons enclosed in Melin sheaths
produced by Schwann cells
Bipolar - CORRECT ANSWER: One dendrite and one axon function as receptor in eye,
ear
Brain stem - CORRECT ANSWER: Controls breathing, heartbeat rates and reactions to
auditory and visual stimuli
- Medulla oblongata, pons varolli, mid brain
Cerebellum - CORRECT ANSWER: Maintains body posture and balance
Cerebrum - CORRECT ANSWER: Controls intellectual processes and emotions
, corpus callosum - CORRECT ANSWER: Bridge connecting 2 hemispheres - Cerebral
hemispheres
Dendrite - CORRECT ANSWER: Short branched receptive areas of neutron
Diencephalon - CORRECT ANSWER: Controls homeostasis- Hypothalamus, thalamus
Different types of neuroglia cells - CORRECT ANSWER: 1. Astrocytes
2. Oligodendroglia
3. Microglia
4. Microglia
5. Ependymal
6. Schwann
Dura Mater( tough mother) outer meninx - CORRECT ANSWER: Forms tough outer
time of white connective tissue
Efferent peripheral system - CORRECT ANSWER: Convey info from the central nervous
system to muscle and glands
Ependymal - CORRECT ANSWER: Line the fluid filled ventricles of the brain, Some
produce cerebrospinal fluid, some with cilia to move fluid
Frontal lobe - CORRECT ANSWER: Muscle movement, moods, aggression, smell,
motivation
Ganglia - CORRECT ANSWER: Nerve cells Bodie outside the CNS