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Exam (elaborations)

Medsci 142-Neurons Exam Questions With Correct Answers

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  • MEDSCI 142
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  • MEDSCI 142

Medsci 142-Neurons Exam Questions With Correct Answers Epithalamus - answerA small region superior and posterior to the thalamus. Consists of the pineal gland and habenular nuclei. Pineal Gland - answerAbout the size of a pea. Located in the epithalamus. Protrudes from the posterior midline of...

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  • October 18, 2024
  • 10
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • MEDSCI 142
  • MEDSCI 142
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sirjoel
©SIRJOEL EXAM SOLUTIONS
12/3/2024 11:27AM



Medsci 142-Neurons Exam Questions With
Correct Answers


Epithalamus - answer✔A small region superior and posterior to the thalamus. Consists of the

pineal gland and habenular nuclei.


Pineal Gland - answer✔About the size of a pea. Located in the epithalamus. Protrudes from the

posterior midline of the third ventricle . Part of the endocrine system because it secretes the

hormone melatonin (hormone for signalling sleep).


Habenuclear Nuclei - answer✔Involved in olfaction, especially emotional responses to smells.

e.g. Mum's cookies, loved ones cologne.


Olfaction - answer✔Action of smelling


Post-Central Gyrus - answer✔Primary sensory cortex. A lesion in this area may stop feeling to

the corresponding area of the body.


Pre-Central Gyrus - answer✔Primary motor function (motor strip). Every cell involved in muscle

movement is located there. Each position corresponds to a muscle in the body. E.g. a specific

points moves your thumb. Soma topically organised (homunculus-body map).

, ©SIRJOEL EXAM SOLUTIONS
12/3/2024 11:27AM


Central Sulcus - answer✔Key defining landmark


Frontal Lobe - answer✔Frontal association cortex-Intelligence, personality, behaviour, mood,

cognitive function


Occipital Lobe - answer✔Slightly more tightly packed gyrus


Temporal Lobe - answer✔Temporal association cortex-memory, mood, aggression, intelligence


Pariental Lobe - answer✔Parietal association cortex-spatial skills, 3D recognition, shapes, face,

concept, abstract, perception.


Pareto Occipital Sulcus - answer✔


Lateral Fissure - answer✔Chasm most obvious


Wernicke's Area - answer✔Secondary auditory cortex. Identifies sounds. Higher processing e.g.

pen clicking in the background, interpret speech.


Fluent Aphasia - answer✔A lesion in the Wernick's area. This means able to talk but not make

any sense. able to understand speech. To test this you ask them a question and if they answer in

way that is not comprehendible then they have fluent aphasia


Broca's Area - answer✔Located next to the pre-central sulcus. The ability to formulate speech.

Area right next to where the point where lip motion is located on the pre-central gyrus.

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