Unit A part 3

Question 1

what does the thalamus do?

Answer 1

interprets sensory information (relay station)

Question 3

What is a PET (position emission tomography)

Answer 3

Radioactive glucose is consumed in certain areas of the brain

Question 4

What is an MRI? (Magnetic resonance imaging)

Answer 4

Giant magnet detects changes in H+ that emit radio signals

Question 5

What does the frontal lobe do?

Answer 5

Controls voluntary movement, speech, intellect, personalities, memories and conscious thought
(Cerebrum)

Question 6

What does the temporal lobe do?

Answer 6

Receives auditory and olfactory information

Question 7

What does the parietal lobe do?

Answer 7

Touch, temperature and taste
TTT

Question 8

What does the occipital lobe do?

Answer 8

Received visual info

Question 9

what are the 2 types of autonomic system nerves

Answer 9

1. preganglionic
2. postganglionic

Question 10

what is pre ganglionic

Answer 10

CNS to ganglion

Question 11

what is post ganglionic

Answer 11

ganglion to target organ/gland/muscle

Question 12

what happens in ganglion mode in sympathetic

Answer 12

preganglionic nerves release acetylcholine. Postanganlionic release norepinephrine

Question 13

how are the ganglionic nerves in the symapathetic

Answer 13

short preganglionic

Question 14

how are the ganglionic nerves in the parasympathetic

Answer 14

long preganglionic

Question 15

what do the 2 types of ganglion release in parasympathetic

Answer 15

both pre and post ganglionic release acetylcholine

Question 16

where do the sympathetic ganglion come from

Answer 16

ribs and small of back

Question 17

where do the parasympathetic ganglions come from

Answer 17

cranial, neck or tail bone area (all myelinated)

Question 18

what is the off switch called

Answer 18

vagus nerve

Question 19

what does the vagus nerve control

Answer 19

heart, bronchi, liver, pancreas and digestive tract

Question 20

what is a cranial nerve

Answer 20

nerve that comes directly from the brain and usually controls head and neck functions like movement, sensation, and special senses

Question 21

what is a spinal nerve

Answer 21

-comes from spinal cord
-carry motor, sensory, and autonomic signals between the spinal cord and the rest of the body