CENTRAL NERVOUS SYSTEM (CNS)
The central nervous system (CNS) is composed of: (3)
- Brain
- Spinal cord
- Cranial nerves
PNS system is any part of the nervous system that is NOT ________ or ________ ________?
Brain or spinal cord
What are the 3 subsystems within the autonomic systems?
- Sympathetic
- Parasympathetic
- Enteric
What is the technical name for cranial nerve #5?
Trifacial or trigeminal
The nerves of the face, head, neck, hands, and feet are stimulated by _________ and/or ___________.
facials or massage
The brain is referred to as the ________ ________?
command center
What are thred-like fibers that take information in forms of nerve impulses?
Axons
which system lowers blood pressure?
parasympathetic
Which functions are nerve #5 responsible for?
- sensation of face, tongue, and teeth
- motor functions: biting and chewing
in the mandibular branch, where does the mental nerve extend to?
lower lip and chin
where does the spinal cord originate?
base of the brain
an interaction of sensory and motor nerves is called a __________?
reflex
which system raises blood pressure?
sympathetic
What is the technical name for cranial nerve #11?
Accessory
what are efferent nerves?
motor nerves that carry messages to the brain and muscles
How many pairs of spinal nerves does the spinal cord hold?
31 pairs
what are the (2) types of nerves in the PNS system?
- Motor (efferent)
Which system governs the intestinal tract?
Enteric
Which functions are #11 responsible for?
movement of sternocleidomastoid and trapezius
- to turn head and shrug shoulders
which (3) nerves are estheticians primarily concerned with during a facial?
fifth - trifacial or trigminal
seventh - facial
eleventh - accessory
what is the spinal cord composed of?
long nerve fibers
the ANS is responsible for what kind of body functions?
involuntary functions
trifacial nerve