Nervous Systems

Question 1

What is the central nervous system?

Answer 1

Brain & spinal cord.

Question 2

What is the peripheral nervous system?

Answer 2

Sensory part of nervous system involved with detecting stimuli.

Question 3

What does the sympathetic nervous system do?

Answer 3

Increases activity.

Question 4

What does the parasympathetic system do?

Answer 4

Calms activity down.

Question 5

What does the post-ganglionic nerve of the parasympathetic pathway secrete?

Answer 5

Acetylcholine.

Question 6

What does the post-ganglionic nerve of the sympathetic pathway secrete?

Answer 6

Norepinephrine.

Question 7

What does the pre-ganglionic nerve of the sympathetic pathway secrete?

Answer 7

Acetylcholine.

Question 8

What does the pre-ganglionic nerve of the parasympathetic pathway secrete?

Answer 8

Acetylcholine.

Question 9

Where does the pre-ganglionic nerve of the sympathetic pathway reside?

Answer 9

Spinal cord (thoracic and lumbar).

Question 10

Where does the pre-ganglionic nerve of the parasympathetic pathway reside?

Answer 10

Brain and lower spinal cord.

Question 11

What is the post-ganglionic nerve of the sympathetic pathway?

Answer 11

Adrenergic fibres.

Question 12

What is the post-ganglionic nerve of the parasympathetic pathway?

Answer 12

Cholinergic fibres.

Question 13

What two structures make up the adrenal glands?

Answer 13

Adrenal medulla & Adrenal Cortex.

Question 14

What does the adrenal medulla secrete?

Answer 14

Epinephrine & norepinephrine.

Question 15

What does the adrenal cortex secrete?

Answer 15

Mineralcorticoids & glucocorticoids.

Question 16

What is the role of glial cells?

Answer 16

Protect and maintain the structure of the brain.

Question 17

Which group of animals are known for their particularly higher brain-body weight ratio?

Answer 17

Birds.

Question 18

What fluid is the brain immersed in?

Answer 18

Cerebrospinal fluid (CSF).

Question 19

What are the basic structure components of the brain?

Answer 19

Forebrain, midbrain & hindbrain.

Question 20

What is the function of the forebrain?

Answer 20

Receives & integrates sensory information.

Question 21

What is the function of the mid-brain?

Answer 21

Coordinates reflex responses to sight and sounds.

Question 22

What is the function of the hindbrain?

Answer 22

Reflex control of respiration, blood circulation and other tasks.

Question 23

What route do afferent signals take?

Answer 23

Up dorsal root of spine.

Question 24

What route do effect signals take?

Answer 24

Transmitted down ventral root of spine.

Question 25

What does Broca’s area do?

Answer 25

Speech formation.

Question 26

What does Wernicke’s area do?

Answer 26

Speech understanding.

Question 27

What does the limbic association cortex do?

Answer 27

Motivation, emotion & memory.

Question 28

What does the premotor cortex do?

Answer 28

Co-ordination of complex movements.

Question 29

What does the supplementary motor area do?

Answer 29

Programming of complex movements.

Question 30

What does the primary motor cortex do?

Answer 30

Voluntary movement.

Question 31

What does the somatosensory cortex do?

Answer 31

Sensation and proprioception.

Question 32

What does the posterior parietal cortex do?

Answer 32

Integration of somatosensory and visual input; important for complex movements.

Question 33

What does the parietal-temporal-occipital association cortex do?

Answer 33

Integration of all sensory input; important in language.

Question 34

What does the primary visual cortex do?

Answer 34

Sight.