A soldier suffers brain damage from an injury and is no longer able to speak or understand what others say. He is most likely suffering from aphasia.
<u>Explanation:</u>
Aphasia occurs when a person will not be able to speak or find difficulties in understanding what others say. It occurs due to an injury. The person will not be able to read or write. The Aphasia that is caused by the injury in brain generally causes from the injection or any brain trauma or stroke.
The effects of this Aphasia may be mild to severe. The ability to know the objects name or making words to form a sentence to communicate can be affected by this. Main causes of this Aphasia includes, Brain tumors, brain infections, stroke, etc.
Answer: d. autonomic nervous system
Explanation:
The dilation of the pupil occurs due to the radial muscles. This is controlled by the autonomic nervous system. The autonomic nervous system consists of sympathetic and parasympathetic nervous system. The sympathetic nervous system controls the dilation of pupil whereas the parasympathetic nervous system controls the contraction of pupil.
A dilation response generally involves the widening of the pupil that may be caused by the adrenaline and drugs like cocaine, MDMA, amphetamines, hallucinogens and dissociatives.
