Person Anatomy and Physiology Aid » Gross Anatomy » Organs » Identifying Structures of the Brain
Explanation:

The sulci, or folds, of the brain aid to compartmentalize activity and also rise surface area. The central sulcus runs along the coronal aircraft, from appropriate to left throughout the surchallenge of the brain. The frontal lobe is anterior to the sulcus and also the parietal lobe is posterior to the sulcus.

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The lateral sulcus separates the parietal lobe and also temporal lobe. The parietooccipital sulcus separates the parietal and also occipital lobes.


Which of the following layers of the meninges is the innermost layer that lines the cerebral cortex?


Explanation:

The meninges are responsible for protecting the brain and spinal cord. The difficult dura mater is the outera lot of layer of the meninges, while the pia mater is the fragile inner layer that lines the brain and spinal cord.

In order from the outerthe majority of to innera lot of layer, the meninges are: dura mater, arachnoid mater, subarachnoid room, and also pia mater. The arachnoid mater and subarachnoid space develop separation and also cushioning between the dura mater and also pia mater.


Which of the complying with lobes of the brain has the feature of handling auditory input and storing memory? 


Explanation:

The temporal lobe is responsible for the interpretation of auditory stimuli. It likewise holds the hippocampus, a structure responsible for the formation and storage of memories.

The occipital lobe dwellings the visual cortex and the parietal lobe consists of the somatosensory cortex (touch). The frontal lobe residences the motor cortex and also features in voluntary movement and mindful believed.


Explanation:

The meninges consist of 3 layers of connective tissue that surround the central nervous device. Dura mater is the thick outermany layer and serves to partition the main nervous device and also meninges from the remainder of the body. Arachnoid mater is the loose middle layer via a web-favor appearance and also helps cushion and also protect the central nervous device. The subarachnoid area exists between the arachnoid and pia mater and also is filled through cerebrospinal liquid. Pia mater is the breakable inner layer that adheres to the surface of the brain and spinal cord, developing one final obstacle.


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Example Concern #1 : Identifying Structures Of The Brain


Which of the following is not a component of the main nervous system?


Possible Answers:

Optic nerve


Meninges


Globus pallidus


Oculomotor nerve


Correct answer:

Oculomotor nerve


Explanation:

The nervous mechanism can be separated into the central and peripheral departments. The central nervous device dwellings the brain and spinal cord, while the peripheral nervous device has all offshoots of the spinal cord.

The brain includes a number of structure and serves as the suggest of origin for the twelve cranial nerves. The globus pallidus is a subcortical framework in the brain. The olfactory (CNI) and optic nerves (CNII) are located exclusively within the brain, never actually deviating into the perimeter. These are the only cranial nerves taken into consideration to be component of the main nervous device. The meninges are the layers of connective tissue that surround the spinal cord and also brain, producing the blood-brain barrier. The meninges incorporate the dura mater, arachnoid mater, and also pia mater and also are taken into consideration part of the central nervous mechanism.

The oculomotor nerve is the third cranial nerve (CNIII), and is considered part of the peripheral nervous system.

 


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Example Concern #1 : Identifying Structures Of The Brain


What structure connects the 2 hemispheres of the brain?


Possible Answers:

Infundibulum


Medulla


Corpus callosum


Cerebellum


Correct answer:

Corpus callosum


Explanation:

The framework that connects the brain is dubbed the corpus calloamount. The medulla and cerebellum are component of the midbrain and hindbrain respectively. The infundibulum is the stalk of the pituitary gland.


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Example Inquiry #1 : Identifying Structures Of The Brain


Which of the following parts of the brain is responsible for emotional regulation?


Possible Answers:

Cerebellum


Hippocampus


Medulla


Amygdala


Correct answer:

Amygdala


Explanation:

The amygdala is the center of emotions in the brain. The hippocampus is an area of discovering and also memory. The cerebellum is concerned coordination of muscle task. The medulla is for homeostasis of vital body attributes.


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Example Concern #1 : Identifying Structures Of The Brain


Which of the major lobes of the brain is devoted to vision?


Possible Answers:

Tempdental lobe


Occipital lobe


Cerebellum


Frontal lobe


Parietal lobe


Correct answer:

Occipital lobe


Explanation:

The occipital lobe is devoted to vision. It is situated on the posterior aspect of the brain. Contrasted to the other three main lobes it has actually exceptionally few jobs. Similar to tempdental lobe which provides feeling of auditory stimuli (amongst various other things) and also the parietal lobe which procedures touch sensations, temperature and so on, the occipital lobe allows us to procedure what we see. The cerebellum is not a major lobe of the brain, and it functions in coordinating motor activities such as walking and also playing the guitar.


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Example Question #1 : Identifying Structures Of The Brain


What is the falx cerebelli?


Possible Answers:

A dural fold that separates the cerebrum and also cerebellum


A thin meningeal layer that covers the surconfront of the brain


A dural fold that separates the cerebellar hemispheres


A fluid filled cavity within the cerebrum


Correct answer:

A dural fold that sepaprices the cerebellar hemispheres


Explanation:

The falx cerebelli is a dural fold that sepaprices the 2 cerebellar hemispheres. The tentorium cerebelli is the dural fold that sepaprices the cerebrum from the cerebellum. A ventricle is a liquid filled cavity within the cerebrum through which cerebrospinal fluid circulates. The pia mater is the deepest, thin meningeal layer that covers the surface of the brain.


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Example Concern #1 : Identifying Structures Of The Brain


Which of the complying with describes the medulla?


Possible Answers:

Lowest part of the brainstem


Round bulges that relay signals to the cerebellum


The highest part of the brainstem


Protruding columns that contain bundles of motor nerve fibers


Correct answer:

Lowest component of the brainstem


Explanation:

The medulla (oblongata) is the lowest part of the brainstem. It controls many type of autonomic functions such as regulation of heart price, respiratory rate and blood push. The pyramids are the 2 protruding columns uncovered on the front of the medulla that contain motor nerve fibers. The olives are the round bulges discovered on the front and side of the medulla that relay signals to the cerebellum. The midbrain is the highest possible part of the brainstem.

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