Chapter 14
What is the basic structural unit of the nervous system?
Neuron
The olfactory cranial nerve's sensory function is __________
Olfaction (smell) CN I
The spinal cord is associated with _____ pairs of spinal nerves.
31
What are the 2 divisions of the autonomic nervous system?
parasympathetic and sympathetic
The sympathetic division of the ANS is involved with ________.
Preparation of body for emergencies. Fight or flight
The CNS and PNS perform 3 general functions. What are they?
collecting information, processing and evaluating information, and responding to information
_______ is the location of conscious thought processes and origin of intellectual functions
Cerebrum
The _____ nerve is the largest and longest nerve in the body.
sciatic
The ______ division is involved with conservation of energy and replenishment of nutrients stores.
Parasympathetic (rest and digest)
The _______ nervous system includes processes that are perceived or controlled consciously.
Somatic
Which glial cell in the CNS helps form the blood brain barrier?
Astrocytes
What connects the right and left hemispheres?
Corpus Callosum
A _______ reflex is when there is direct communication between a sensory and motor neuron.
monosynaptic
The preganglionic axon is longer in the ___________ NS division.
parasympathetic
Which 3 cranial nerves contain only sensory functions?
Olfactory (I), Optic (II), Vestibulocochlear (VIII)
_________ produces myelin in the PNS
neurolemmocytes
Where are the respiratory and cardiac regulatory areas in the CNS?
Medulla oblongata
A patient complains of a tingly feeling on the dorsum of their foot.
Superficial fibular nerve
Sympathetic preganglionic neurons cell body are found in the lateral horns of T1 through L2. TRUE or FALSE
TRUE
Most abundant glial cells in the CNS. It helps in forming the blood-brain barrier.
Astrocytes
______ receives sensory information from skin, fascia, joint, skeletal muscles, and special senses.
Somatic sensory nervous system
Which nerve is responsible for a brain freeze (sensory information sent to the CNS)?
Trigeminal Nerve (V)
A patient accidentally hits their little finger with a hammer. Which nerve provides the sensory information from the skin?
Ulnar Nerve
What are the 4 cranial nerves associated with the parasympathetic division?
Oculomotor (CN III)
Facial (CN VII)
Glossopharyngeal (CN IX)
Vagus (CN X)
The __________ provides sensory impulses from the anterior and inferomedial skin of the thigh and medial aspect of leg.
femoral nerve