Lab 2

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Question 1 of 29

Name the deep structures and ventricles of the forebrain? (5) = Thalamus, hypothalamus, maximillary gland, pituitary gland, putamen, globes pallidus, subthalamic nuclei, 3rd and lateral vent.

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Question 2 of 29

What is the primary function of the thalamus? = Relay information.

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Question 3 of 29

What is the primary function of the hypothalamus? = Control pituitary secretion / homeostasis / automatic nervous system.

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Question 4 of 29

What is the primary function of the pituitary? = Secretes hormones to regulate internal body functions.

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Question 5 of 29

What is the primary function of the maximillary gland? = Reflexes to smell.

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Question 6 of 29

What structures make the ‘roof’ of the mid-brain? = Superior and inferior calliculi.

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Question 7 of 29

What makes up the ‘floor’? = Cerebral preduncles.

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Question 8 of 29

What is the roll of the colliculi? = Sight (sup), sound (inf) reflexes.

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Question 9 of 29

What do the cerebral peduncles do? = Relay information from the cortex to pons and cerebellum.

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Question 10 of 29

What structure looks like a crank shaft hanging off the midbrain? = Occulomotor nerve.

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Question 11 of 29

What structure of the mid-brain drains the 3rd ventricle into the 4th? = Cerebral aquaduct.

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Question 12 of 29

What is the other structure of the midbrain that belongs to basal ganglia? = Substantia nigra.

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Question 13 of 29

What structures and ventricle make up the hindbrain? = Pons, medulla, cerebellum, 4th ventricle.

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Question 14 of 29

What are the functions of the cerebellum? (3) = Coordination, termination, unconscious, learned patterns, smoothing.

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Question 15 of 29

What are the functions of the pons? (2) = Relay information from cortex to spine, contains nuclei for cranial nerves.

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Question 16 of 29

What are the functions of the medulla. = Relay information, contains nuclei (gracile / conecte).

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Question 17 of 29

What structures make up the brainstem? = Pons, medulla, midbrain.

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Question 18 of 29

What are the three types of fibres in the brain? = Association, projection, commissural.

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Question 19 of 29

What are functions of commissural fibres? Give example = Relay between hemispheres. Corpus collosum.

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Question 20 of 29

What are functions of association fibres? Give example = Relay between same hemisphere projection. Arcuate fasciculus

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Question 21 of 29

What are functions of projection fibres? Give example = Carry information to and from brain. Internal capsule.

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Question 22 of 29

What fluid-filled structure lies between the two bodies of the thalami? = 3rd ventricle.

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Question 23 of 29

What connects the two hemispheres of the thalamus? = Intermediate mass.

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Question 24 of 29

What sulcus divides parietal and occipital lobes? = Parieto-occipital sulcus.

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Question 25 of 29

Upon what sulcus is the primary visual cortex centered? = Calcarine sulcus.

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Question 26 of 29

What type of vision is deep to the cortex? = Peripheral.

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Question 27 of 29

What are the secondary language areas in the dominant hemisphere? (4) = SMGLA / AGLA, Wernicke’s, Broca’s, Exner’s.

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Question 28 of 29

Describe the pathway of brain regions for reading writing? = Primary visual cortex > SMGLA > AGLA > Exner’s > Motor

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Question 29 of 29

Describe the pathway of brain regions for listening/speaking? = Primary auditory cortex > Wernicke’s > Broca’s > Motor

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