Ch. 11 Flashcards
In meningitis, what specific structures would be inflamed and swollen?
arachnoid mater, pia mater, dura mater
What is the appearance of cerebrospinal fluid (CSF)>
clear, watery
With a subdural hematoma a resulting from a blow to the head, where has the blood accumulated?
between dura mater and arachnoid mater
What is found within the dural sinuses?
venous blood
The ____ is the thin meninx attached to the surface of the brain, containing many nerves and blood vessels
pia mater
The choroid plexuses located in the ____ secrete most of the cerebrospinal fluid present at any one time
lateral ventricles in cerebrum
Where is the fourth ventricle located?
within the brain stem
Statement that describes the function of cerebrospinal fluid
stable ionic concentration in brain and spinal cord
The cerebral aqueduct contains CSF flowing from the ___ to the ___
3rd, 4th ventricle
Cerebrospinal fluid reentered the blood via ________
arachnoid granulations
What is the correct order for the components of a reflex arc
receptor, sensory neuron, interneuron, motor neuron, effector
What is the expected response to the triceps jerk relfex
extension of forearm
What is found within the gray matter of the spinal cord
interneurons
The gray matter of the spinal cord is divided into areas called
horns
What is the caudal equina
bundle of nervous tissue that extends beyond tip of spinal cord
What is the significance of the cervical enlargement of the spinal cord?
supplies nerves to upper extremities
A ___ is the simplest nerve pathway from a sensory receptor to an effector
reflex arc
Where is the third ventricle located
diancephelon