Sympathetic stimulation leads to all the following except:
1. Contraction of piloerector muscle
2. Dilation of pupil
3. Decreased peristalsis in gut
4. Bronchoconstriction

One of the first regions of the human brain to suffer damage in Alzheimer’s disease is the:
1. Hypothalamus
2. Cerebrum
3. Hippocampus
4. Amygdala

Under normal conditions, almost all the energy used by the brain cells is supplied by:
1. The free fatty acids in the blood
2. Glucose derived from the blood
3. Gluconeogenesis in glial cells
4. Breakdown of muscle glycogen

Mental depression psychosis, affecting millions, may be basically caused by the diminished formation in the brain of:
1. Acetylcholine
2. Dopamine
3. Serotonin
4. Glutamate

Consider the two statements:

1. Both I and II are correct and II explains I
2. Both I and II are correct and II does not explain I
3. Only I is correct
4. Only II is correct

The primary commissural region of the brain consisting of white matter tracts that connects the left and right cerebral hemispheres is called as:

The scala vestibuli and scala tympani contain perilymph and are connected at the:

The cranial meninge that is in contact with the brain tissue is the:

Match each item in Column I [part of the brain] with one in Column II [function] and select the answer from the codes given below:

Codes

The change in electrical potential that occurs between the inside and outside of a nerve or muscle fiber when it is stimulated, serving to transmit nerve signals is called as:
1. Action potential
2. Threshold potential
3. Reversal potential
4. Excitatory post synaptic potential