Key Terms

Question 0

Autonomic nervous system. Must know

Answer 0

Carries mess to brain and spinal cord. Sensory nerve. Controls involuntary body function of muscles glands and internal organs

Question 1

Afferent nerves. Must know

Answer 1

Sensory nerves that responsible for detecting sensory info from environment and inside body and brining it to the CNS for interpretation

Question 2

central nervous system ( CNS)

Answer 2

Consist of brain and spinal cord

Question 3

Cerebrospinal fluid (CSF)

Answer 3

Fluid in the subarachnoid space of the meninges and central canal of spinal cord

Question 4

Efferent nerves. Must know

Answer 4

Motor nerves. Carries message away from the brain and spinal cord

Question 5

Meninges. Must know

Answer 5

Membranes that protect the brain and spinal cord

Question 6

Neurotransmitter

Answer 6

A chemical within the vesicles of synaptic knob that is released into the post synaptic structure when nerve impulses reaches the synaptic knob

Question 7

Parethesias

Answer 7

Abnormal sensation burning and tingling

Question 8

Peripheral nervous system (PNS) Must know

Answer 8

Consist of nerves that branches off the central nervous system. (CNS). Cranial spinal and autonomic nerves

Question 9

Plexus. Must know

Answer 9

Large interlacing network of nerves. Includes cervical brachial lumbosacral

Question 10

Sympathetic division

Answer 10

Division of autonomic nerve system (ANS) prepares organs for fight or flight. Stressful situations

Question 11

Parasympathetic division

Answer 11

Division of the (ANS) prepares body for rest and digestion

Question 12

Cell body. Must know

Answer 12

Part of a nerve that contains the nucleus

Question 13

Ganglion. Must know

Answer 13

Collection of nerve cell bodies in the PNS

Question 14

Hypothalamus. Must know

Answer 14

Portion of the brain beneath the thalamus. Controls sleep appetite body temp. And secretions from pituitary gland

Question 15

Motor nerve. Must know

Answer 15

Efferent nerve

Question 16

Myelin sheath. Must know

Answer 16

Covering of white fatty tissues that surrounds and insulate the axon of a nerve cell. Myelin speeds impulse conduction along axons

Question 17

Neuron. Must know

Answer 17

Nerve cell that carries impulses throughout the body. Parenchyma of the nervous system

Question 18

Parasympathetic nerves. Must know

Answer 18

Involuntary autonomic nerves that regulate normal body function such as heart rate breathing and muscles of gastrointestinal tract

Question 19

Receptor. Must know

Answer 19

Organ that receives a nervous stimulus and passes it on to affrent nerves. Skin ears eyes and taste buds are receptors

Question 20

Vagus nerve. Must know

Answer 20

10th cranial nerve. Its branches reach to the larynx trachea bronchi lungs aorta esophagus and stomach