GENERAL HISTOLOGY

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CONNECTIVE TISSUE GLAND

ENDOCRINE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Imagine that you have stumbled across a secret laboratory where an evil scientist is conducting unauthorized brain research. By altering brain structures, he has created superheroes who have specialized powers or abilities. One of these superheroes is absolutely fearless, has no emotions, and is willing to undertake extremely dangerous missions. In this case, the brain structure that the scientist MOST likely altered would be
A
medulla
B
cerebellum
C
midbrain
D
limbic system
Explanation: 

Detailed explanation-1: -Stereotaxis is the process by which neurosurgeons use MRI or CT imaging studies, targeted algorithms and a computer workstation to precisely locate and target a tumor or other lesion inside the brain. Previously, this was done by placing a metal frame on a patients head.

Detailed explanation-2: -Amygdala is the integrative center for emotions, emotional behavior, and motivation. If the brain is turned upside down the end of the structure continuous with the hippocampus is called the uncus.

Detailed explanation-3: -Action potentials either happen or they don’t; there is no such thing as a “partial” firing of a neuron. This principle is known as the all-or-none law. This means that neurons always fire at their full strength.

Detailed explanation-4: -A fifth lobe, known as the insula, is located deep within the parietal and temporal lobes and is not apparent as a separate structure on the outer surface of the cerebral hemispheres.

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