1.The largest portion of motor cortex is dedicated to controlling A. The arms an
ID: 3446477 • Letter: 1
Question
1.The largest portion of motor cortex is dedicated to controlling
A. The arms and legs
B.The hands
C. The head and neck
D. The torso
2.In comparison to the nervous system, the action of the endocrine system is very slow primarily because
A.hormones must cross multiple synaptic gaps.
B. hormonal action is mostly electrical.
C.hormones travel through blood.
D.hormones travel greater distances than neural signals.
3.Riding a bicycle requires finely tuned coordination, balance, and skill memory. What brain structure plays a large role in all these processes?
A.reticular formation.
B.limbic system
C.hypothalamus.
D.cerebellum
4.A split-brain patient is shown an apple in his left visual field and a banana in his right visual field. When asked what he saw, what will he say and which hemisphere is responsible for this?
A.Banana, Left Hemisphere
B.Banana, Right Hemisphere
C.Apple, Right Hemisphere
D.Apple, Left Hemisphere
5.You are walking along a dark street late at night. Suddenly, you hear footsteps behind you and approaching rapidly. Which portion of the brain would be most active in this situation?
A.amygdala
B.hypothalamus
C.adrenal cortex
D.hippocampus
2.In comparison to the nervous system, the action of the endocrine system is very slow primarily because
A.hormones must cross multiple synaptic gaps.
B. hormonal action is mostly electrical.
C.hormones travel through blood.
D.hormones travel greater distances than neural signals.
3.Riding a bicycle requires finely tuned coordination, balance, and skill memory. What brain structure plays a large role in all these processes?
A.reticular formation.
B.limbic system
C.hypothalamus.
D.cerebellum
4.A split-brain patient is shown an apple in his left visual field and a banana in his right visual field. When asked what he saw, what will he say and which hemisphere is responsible for this?
A.Banana, Left Hemisphere
B.Banana, Right Hemisphere
C.Apple, Right Hemisphere
D.Apple, Left Hemisphere
5.You are walking along a dark street late at night. Suddenly, you hear footsteps behind you and approaching rapidly. Which portion of the brain would be most active in this situation?
A.amygdala
B.hypothalamus
C.adrenal cortex
D.hippocampus
Explanation / Answer
1. Amount of brain space required to do any movement depends upon the complexity of the fine motor movements.As hands and finger requires a lot of fine motor skills,the largest portion of motor cortex is dedicated for it.
Answer. Option B. Hands.
2. Compared to the neural transmission that works very fast endocrine system is slower because hormones are released into the blood. So these hormones takes more time to reach their target organ than the neural impulse.
ANSWER. Option C. Hormones travel through blood.
3. Finely tuned movements,coordination, balance, focus,and skill memories that are required for activities as bike riding, dancing,etc are controlled by the cerebellum of the brain.
Answer. Option D. Cerebellum.
4. As left brain hemisphere is associated with verbal memories and language,the response of the brain split individual would be apple and the hemisphere responsible for it is left hemisphere.
Answer. Option D. Apple, left hemisphere.
5. Option A. Amygdala.
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