The Nervous System.

Front 1

Consists of the brain and spinal cord:

Back 1

CNS

Front 2

Consists of 12 pairs of cranial nerves, and 31 pairs of spinal nerves:

Back 2

PNS

Front 3

Basic unit of the nervous system:

Back 3

Neuron (nerve fiber)

Front 4

The space between neurons are:

Back 4

Synapses

Front 5

Carry impulses from receptors to the CNS:

Back 5

Sensory neurons

Front 6

Carry impulses from the CNS to effectors:

Back 6

Motor neurons

Front 7

What are effectors:

Back 7

Muscles and glands

Front 8

Most peripheral neurons are myelinated by:

Back 8

Schwann cells

Front 9

CNS neurons are myelinated by:

Back 9

Oligodendrocytes

Front 10

____________ are entirely within the CNS.

Back 10

Interneurons

Front 11

A _____ is a group of neurons wrapped in connective tissue.

Back 11

Nerve

Front 12

Most peripheral nerves are _____ ______.

Back 12

Mixed nerves.

Front 13

Contains both sensory and motor neurons:

Back 13

Mixed nerves

Front 14

Largest part of the human brain:

Back 14

Cerebrum

Front 15

The four major parts of the brain are:

Back 15

-Cerebrum

-Cerebellum

-Diencephalon

-Brainstem

Front 16

The __________, posterior to the brainstem, is concerned primarily with unconscious aspects of movement such as coordination, balance, and muscle tone.

Back 16

Cerebellum

Front 17

Between the cerebrum and brainstem, consists of the thalamus and hypothalamus:

Back 17

Diencephalon

Front 18

Main relay center for sensations (except smell):

Back 18

Thalamus

Front 19

Either of two masses of gray matter lying between the cerebral hemispheres on either side of the third ventricle, relaying sensory information and acting as a center for pain perception:

Back 19

Thalamus

Front 20

Controls body temperature, food and water intake, hunger and thirst:

Back 20

Hypothalamus

Front 21

The brainstem consists of:

Back 21

-Midbrain

-Pons

-Medulla oblongata

Front 22

Extends from the thalamus to the spinal cord:

Back 22

Brainstem

Front 23

The brainstem contains the ________ _________, which regulates the sleep-wake cycle:

Back 23

Reticular formation

Front 24

The ________ is the center for visual, auditory, and righting reflexes.

Back 24

Midbrain

Front 25

The _______ _________ contains centers the regulate the vital functions of heart rate, blood pressure, and respiration, and the reflexes for coughing, sneezing, and swallowing.

Back 25

Medulla oblongata

Front 26

The spinal cord extends from the medulla of the brain to the disc between the:

Back 26

First and second lumbar vertebrae

Front 27

The three meninges:

Back 27

-Dura mater

-Arachnoid mater

-Pia mater

Front 28

The outermost of the meninges, and the toughest, made of fibrosis connective tissue:

Back 28

Dura mater

Front 29

Made of weblike strands of connective tissue:

Back 29

Arachnoid membrane

Front 30

The innermost of the meninges, is very thin connective tissue on the surface of the brain and spinal cord:

Back 30

Pia mater

Front 31

Cerebrospinal fluid is found in the:

Back 31

Subarachnoid spaces

Front 32

The transmitter within the ganglia:

Back 32

Acetylcholine

Front 33

Most active during stressful situations and exercise:

Back 33

Sympathetic division

Front 34

Dominates during restful, nonstressful situations.

Back 34

Parasympathetic division

Front 35

Two subdivisions of the ANS:

Back 35

-Sympathetic

-Parasympathetic