Chapter 6 Physiology Quiz

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The central nervous system in the human body is made up of the brain and spinal cord. The mind is the center of our thoughts, the interpreter of our external environment. Below is a quiz on physiology. It is perfectly centered on the central nervous system and its functions. Take it up and see if you should review chapter 6.

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Mar 22, 2023

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Oct 14, 2009

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Chapter 6 Physiology Quiz

The CNS has a number of functions including_____________

Higher mental functions include:

Also known as tracts:

Gray, wrinkled, globular organ that has the consistency of jello. It weighs about 3.5 pounds and is found to be larger in the male than in the female

The brain in clinical situations is divided into four regions. These include:

The Diencephalon includes:

The cerebral hemispheres and cerebellum are organized into and outer cortex of ________ which is nerve bodies and an inner layer of ____________ in which are deeply embedded basal nuclei of gray matter

The brain is protected by the ____________ from harmful blood substances by the blood brain barrier

Protective connective tissue membranes that cover the brain and spinal cord

The outer membrane; attaches the brain to the skull and prevents the brain from moving around in the skull

The middle membrane which is a thin, vascular, web-like membrane. Under this is the space which contains cerebrospinal fluid and blood vessels

The arachnoid has _______ which are specialized arachnoid projections that protrude into the dura mater and into the dural sinuses where the CSF is absorbed into the venous blood

The inner most membrane that covers the brain which is composed of delicate connective tissue; tears easily; transparent

The fluid that forms a liquid cushion inside and outside of the brain; helps the brain to float so that it doesn't crush itself. Also, cushions the brain and spinal cord from trauma.

Helps to supply the brain with oxygen and removes neuron metabolic waste like carbon dioxide

CSF has a similar composition to ____________, but it has less proteins and a different ion concentration than ____________

CSF is formed by the ________________ cells of the choroid plexuses (a cluster of capillaries) from blood plasma

CSF flows by the action of the ependymal cells' ________

________ (sometimes call the first and second ventricles) are C-shaped chambers that are found deep within each cerebral hemisphere. They are connected to each other medially and connected with the third ventricle

Located in the diencephalon

Connected to the cerebral aqueduct which runs through the midbrain

Located anteriorly to the cerebellum

It is continuous with the third ventricle and central canal of the spinal cord, and it has openings with the subarachnoid space which is a fluid-filled space surrounding the brain (CSF)

Protects the brain from harmful substances in the blood ( amino acids and hormones that act as neurotransmitters) and helps the brain to maintain a stable brain environment

Seperates the barin's extracellular space and neurons from the blood

Caused by the feet of astrocytes that wrap around the brain capillaries

The blood-brain barrier is a filter that only allows all of these to pass through it except which one?

The superior most part of the brain which accounts for 60% of the brain's mass

What are the five lobes of the cerebral hemispheres

Found in the lateral sulcus and forms part of the lateral sulcus' floor

The outer surface of the cerebral hemispheres which is 2-4 mm. in thickness; and because of its convolutions which increase its surface area, this makes up 40% of the brains mass

The cerebral cortex is composed of __________ which is neurons and unmyelinated fibers

Involved in the perceptions, communication, memory, reasoning, and voluntary movement

Each hemisphere is responsible for the sensory and motor activities of the same side of the body

The cerebral cortex is responsible for all of the following except:

The cerebral cortex has three functional areas. They include:

Located in the frontal lobe. It is involved in the control of motor functions in the brain

Located on the precentral gyrus of the frontal lobe of each cerebral hemisphere. It is responsible for the conscious control of the movements of the skeletal muscles

Damage to the Primary Motor Cortex destroys what?

What is another name for the Premotor cortex?

Controls muscles that are involved in learned motor skills of a repetitious or patterned nature like playing a horn or typing ( memory bank of skilled motor activities)

Damage in this area destroys the ability to do the activities programed in that area, not the ability to move the muscles.

The motor speech area which is located at the base of the premotor cortex on the left cerebral hemisphere. This area contains the learned muscle movement programming needed to form the spoken word (controls the muscles used in speech)

Sensory area receives sensory information from the body and it is located in which three lobes?

What is another name for the primary sensory cortex?

The primary sensory cortex is located on the ______________ of the parietal lobe behind the primary motor cortex

The primary sensory cortex receives sensory information from the ______ and ____________ (muscle spindles)

The more sensitive the body part is the larger its area on the sensory cortex.

Located posteriorly to the primary sensory cortex in the parietal lobe, and it connects with the primary sensory cortex

Monitor and analyzes somatic sensory input to determine size, space, texture, and part relationships

The cerebral hemispheres and cerebellum are organized into and outer cortex of which is nerve bodies and an inner layer of ____ in which are deeply embedded basal nuclei of gray matter

CSF has a similar composition to , but it has less proteins and a different ion concentration than

The primary sensory cortex receives sensory information from the and ______ (muscle spindles)