Quiz 13 Sensory Nervous System Flashcards
The term that describes the space between two neurons or between neuron and receptor is?
Synapse
There are _______ cranial nerves and they are part of the blank nervous system_________
12 nerves and peripheral nervous system
The black circular opening in the center of the iris that permits light rays entering the eye is known as the?
The pupil
The route like structure of a nerve that receives impulses and conduct them to the cell body are the?
Dendrites
Which statement accurately describes the choroid?
Highly vascular and provides the blood to the entire eye
What two structures attached the nerve to the spinal cord?
Dorsal root and ventral root
The cranial nerves are part of the _________nervous system
Peripheral
Which is the cranial nerve that’s a place most of the organs in the thoracic and abdominal cavities and carries fiber glands that produce they just have juices and other secretions
Vagus nerve
The central nervous system includes which set of structures?
The brain and spinal cord
What is a long, tube like structure that begins at the end of the brainstem and continues down the spinal column?
Spinal cord
What are the three major nerve plexus?
Cervical, breaker, and Lumbosacral
Importance occurred away from the brain and spinal cord by the ?
Efferent motor neurons
Number of nerves by category
Cervical eight, thoracic 12, lumber five, sacral five, coccygeal one, spinal nerves
The structure that divides the brain into two hemispheres is?
Corpus callosum
Cell bodies in the for peripheral nervous system generally occur in clusters are called?
Ganglia
Main function of the systemic nervous system is to?
Prepare the body for emergencies or stress by automatically increase in breathing and heart rate
The outer portion of the brain is made out of a gray matter called the cerebral cortex which is arranged into folds called _______and grooves called_______
Gyri and sulci
The waxy substance that covers the neuron fibers and increases the rate of transmission of impulses is the?
Myelin
How many spinal nerves are thoracic?
12
The middle of the three meninges is the?
Arachnoid matter
Which of the following structures has a primary function to transmit sound to the inner ear?
Auditory ossicles
The part of the neuron that is made up of gills sells informs the way matter the brand is called?
Myelinated axon’s
The layer of the meninges that is located nearest to the brain and the spinal cord is the?
Pia matter
Cranial nerve responsible for chewing food?
Trigeminal
