brain

Question 1

what is the hypothalamus:

Answer 1

-Regulates temperature and water balance in the body

Question 2

what is the medulla oblongata

Answer 2

controls unconscious activities such as heart and breathing rate

Question 3

what is the cerebellum

Answer 3

controls balance, coordination of muscles

Question 4

what is the cerebrum

Answer 4

-largest part of the brain
-it is split into 2 hemispheres
-the left hemisphere controls muscles on the right and vice versa
-it controls our senses, intelligence, personality and thought

Question 5

what is a CT scanner and why is it used

Answer 5

-a CT scanner uses X-rays to produce an image of the brain
-it shows the main structures in the brain but it doesn’t show the function of them
-if it shows a diseased structure, it means the patient has lost some functions
-it highlights area of high density of cells

Question 6

what is a PET scanner and what is it used for

Answer 6

this is when the patient digests radioactive glucose.
they can be very detailed
it can show areas of the brain which are unusually inactive or active

Question 7

why can treating problems in the CNS be tricky

Answer 7

-hard to repair damage in the nervous system
-not easy to access
-can lead to permanent damage

Question 8

where in the cerebrum is vision controlled

Answer 8

back of brain