Nervous System

Question 1

Importance of Nervous System to embalmers

Answer 1

The vagus nerve sometimes gets mistaken for RCCA

Question 2

• Provides many control functions of the body
• It controls muscular contractions, both voluntary and involuntary, rapid changing visceral events and even rates of the secretion of some endocrine glands
• This system receives millions of bits of information from the different sensory organs, interprets them and determines specific responses

Answer 2

The Nervous System

Question 3

The Nervous System may be divided into 2 parts, the___________ and the ___________.

Answer 3

the central nervous system and the peripheral nervous system

Question 4

The ________ and the _________ comprise the Central Nervous System (CNS)

Answer 4

The brain and the spinal cord

Question 5

• Receives sensory information, process it and sends out motor signals in response.
• It is the seat of intelligence and is house in the skull of cranium

Answer 5

Brain

Question 6

Brain is in the _______

Answer 6

Skull or cranium

Question 7

• This is a very large bundle of nerve fibers
• Found within the vertebral column (for protection)
• The major trunk line carrying information to and from the brain
• It extends from the foramen magnum at the base of the skull to the upper part of the lumbar region

Answer 7

Spinal Cord

Question 8

The _______ consists of nerves that arises from the CNS and connect to other parts of the body.

Sensory nerves send messages to the brain and motor nerves carry responses from the brain.

Answer 8

The Peripheral Nervous System (PNS)

Question 9

Two parts of Peripheral Nervous System

Answer 9

Somatic System and Autonomic System

Question 10

Connects the CNS with the skin and muscle.
Overseas conscious activities like standing, walking and turning.

Answer 10

Somatic System (voluntary)

Question 11

Connects the CNS to the viscera and controls unconscious or involuntary activities such as heartbeat, breathing and response to danger.

Answer 11

Autonomic System (involuntary)

Question 12

The _______, the main autonomic trunk, arises from the brain and passes through the neck, in close association with the common carotid artery and internal jugular vein.

Answer 12

The vagus nerve

Question 13

Vagus nerve and the large nerves of the arms and legs are all found close beside ______ and ______.

Answer 13

Large arteries and veins

Question 14

The three (vagus nerve, common carotid artery and internal jugular vein) are bound together in a __________

Answer 14

common connective tissue sheath

Question 15

How to differentiate large nerves from arteries?

Answer 15

• Nerves are more white in color than cream.
• When pressed with fingers, a nerve feels like a bundle of small cords bound together, arteries do not feel this way