A2 Booklet 3- Survival Responses and Coordination

Question 1

What is a stimulus?

Answer 1

hst

Question 2

What are taxes?

Answer 2

kb

Question 3

What are kinesis?

Answer 3

g

Question 4

How does the choice chamber work?

Answer 4

rhs

Question 5

What is a tropism?

Answer 5

jk

Question 6

What is IAA?

How does it relate to tropisms?

Answer 6

bippp

Question 7

How does IAA control the direction of growth in geotropism and phototropism?

Answer 7

htar

Question 8

What experiment involves IAA and agar?

Answer 8

jv

Question 9

What is coordination in mammals and why is it important?

Answer 9

htrs

Question 10

What is the endocrine system?

What is the nervous system?

Answer 10

rths

Question 11

What is the structure of the nervous system?

Answer 11

arth

Question 12

What are the three main types of nerve cell? What are their functions?

Answer 12

yr

Question 13

What is the structure of a myelinated neurone?

Answer 13

kty

Question 14

What are reflexes?

Answer 14

k

Question 15

What is the process of a reflex arc?

Answer 15

kb

Question 16

What is the resting potential inside a neurone?

What is the threshold?

Answer 16

sth

Question 17

What is potential difference?

Answer 17

hta

Question 18

How is resting potential maintained in a neurone?

Answer 18

tth

Question 19

Explain how a nerve impulse/action potential propagated along a neurone

Answer 19

sht

Question 20

What is the refractory period?

Answer 20

haet

Question 21

What is the “All or Nothing principle?

Answer 21

hthet

Question 22

What main factors affect the speed of conductance (transmission) along neurones?

Answer 22

thrth

Question 23

Describe a synapse

Answer 23

tr

Question 24

What is the mechanism of synaptic transmission?

Answer 24

sr

Question 25

Describe the two types of summation

Answer 25

rysj

Question 26

What are inhibitory synapses and why are they good and bad?

Answer 26

hst

Question 27

What are the four groups that drugs are put into?

Answer 27

sjte

Question 28

How is the structure of a snyapse suited to its function?

Answer 28

rjy

Question 29

What are Pacinian corpuscles?

Answer 29

srjy

Question 30

What two types of light-sensitive photoreceptors are in the eye?

Answer 30

shr

Question 31

How does visual sensitivity differ between cones and rods?

Answer 31

rns

Question 32

What is visual acuity and how does it differ between cones and rods?

Answer 32

kl

Question 33

How is heart rate controlled?

Answer 33

kv

Question 34

What is meant by the term myogenic?

Answer 34

ht

Question 35

What is the job of the sinoatrial node? | what is the job of the atrioventricular node?

Answer 35

eht

Question 36

What are system controls heart rate?

Answer 36

trs

Question 37

What are the two divisions of the autonomic nervous system and how do they differ?

Answer 37

7i

Question 38

How is heart rate regulated during exercise?

Answer 38

syj