Cocaine stimulates the synapses of specific neurons that release dopamine and other monoamines, by ______________.

1. inhibiting enzyme inactivation of dopamine or monoamines
2. blocking the dopamine or monoamine reuptake into the presynaptic axon ending
3. mimicking the effects of dopamine or monoamines on the postsynaptic cell
4. facilitating the release of dopamine or monoamines from the presynaptic terminal

Subtopic:  Action Potential |
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A diffuse network of nerve pathways in the brainstem connecting the spinal cord, cerebrum, and cerebellum, and mediating the overall level of consciousness is the:

1. Hippocampus
2. Hypothalamus
3. Reticular activating system
4. Limbic system

Subtopic:  Cerebrum, EEG & Sleep |
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The part of the limbic system that plays important roles in the consolidation of information from short-term memory to long-term memory is the:

1. Cingulate gyrus 2. Hippocampus
3. Amygdala 4. Septum

Subtopic:  Cerebrum, EEG & Sleep |
 69%
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The main sensory receptive area for the sense of touch is

1. the precentral gyrus
2. the postcentral gyrus
3. Wernicke's area
4. The amygdala

Subtopic:  Diencephalon | Cerebrum, EEG & Sleep |
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Motor aphasia may result due to the lesion of:

1. Broca's area
2. Wernicke's area
3. the cingulate gyrus
4. the angular gyrus

Subtopic:  Cerebrum, EEG & Sleep |
 51%
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The emotion of fear is processed by:
1. the frontal lobes
2. the angular gyrus
3. the thalamus
4. the limbic system

Subtopic:  Cerebrum, EEG & Sleep |
 73%
From NCERT
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A malfunction of the corpora quadrigemina would affect:
1. vision and hearing
2. thermoregulation and osmoregulation
3. olfaction and taste
4. sleep and wakefulness

Subtopic:  Hind & Mid Brain |
 64%
From NCERT
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An injury to the cerebellum would most probably lead to:

1. Hyperphagia, Excessive eating or an abnormally increased appetite 2. coma
3. Aphasia, Impairment in the ability to speak, understand, read, or write 4. Ataxia, Lack of coordination in voluntary movements
Subtopic:  Hind & Mid Brain |
From NCERT
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The seat of the origin of the vagus nerve is:

1. red nucleus of the midbrain
2. epithalamus
3. pons
4. medulla oblongata

Subtopic:  Hind & Mid Brain |
 60%
From NCERT
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When a person enters a dark room, in the rods of his eyes:

1. cGMP levels are high.
2. cGMP levels are low.
3. G protein is degraded.
4. An influx of Ca2+ ions is prevented.

Subtopic:  Human Eye: Adaptation (OLD NCERT) |
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