Organisation of nervous tissue

Question 1

Essential functions?

Answer 1

acquire and transmit sensory info, process info, activate a response. PAR. process, acquire, respond

Question 2

response info is what output

Answer 2

motor output

Question 3

2 major divisions of nervous system?

Answer 3

PNS and CNS

Question 4

Function of CNS

Answer 4

processing and control of info.

Question 5

what does CNS consist of

Answer 5

brain and spinal cord

Question 6

function of PNS

Answer 6

nerves carrying info to and from the CNS

Question 7

what does PNS consist of

Answer 7

nerve tissues outside the CNS

Question 8

Sensory neurones are what ?fferent

Answer 8

Afferent

Question 9

What do afferent neurons do?

Answer 9

carry info from the body to the CNS

Question 10

Motor Neurones are what ?fferent

Answer 10

Efferent

Question 11

What do efferent neurons do?

Answer 11

Carry info away from the CNS towards effector organs

Question 12

Efferent/Motor neurons can be further classified into 2 subs, name them

Answer 12

Somatic and autonomic

Question 13

Describe somatic (2)

Answer 13

Voluntary. Carrys impulses from CNS to Skeletal muscles

Question 14

Describe Autonomic

Answer 14

Involuntary, Impulses from CNS to muscles and glands.

Question 15

Autonomic subdivided into 2 groups, name them?

Answer 15

Sympathetic and parasympathetic

Question 16

describe sympatheticq

Answer 16

flight or fight, survival responses

Question 17

describe parasympathetic

Answer 17

relaxation and digestion

Question 18

Match paras/sympa with active/inactive organs

Answer 18

Sympathetic nerve impulses = active target organs. Parasympathetic nerve impulses = inactive target organs. Sympa nerve pulses make heart beat faster.

Question 19

Define Ganglia (plural is ganglion)

Answer 19

Collection of nerve cell bodies

Question 20

Where does ganglia reside

Answer 20

outside CNS

Question 21

Ganglia plays an important role in CNS or PNS

Answer 21

PNS

Question 22

What is the PNS further divided into

Answer 22

Eff and Aff neurons