Which structure is involved in body balance?
A. (A) external auditory meatus
B. (B) middle ear cavity
C. (C) semicircular canals
D. (D) auricle
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Which is not the basic structure of the brain?
A. (A) gray matter
B. (B) white matter
C. (C) ventricles
D. (D) fissures
Which does not belong to the cerebrum?
A. (A) basal ganglia
B. (B) hypothalamus
C. (C) hippocampus
D. (D) amygdala
Which is wrong about the peripheral nervous system (PNS) in human?
A. (A) the PNS has 12 pairs of cranial nerves
B. (B) the PNS has 31 pairs of spinal nerves
C. (C) the PNS has somatic and autonomic systems
D. (D) the spinal cord is a part of the PNS
Which neural network regulates alertness and sleepiness?
A. (A) motor-prefrontal network
B. (B) reticular formation
C. (C) ganglia-cerebellar network
D. (D) hippocampal network
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