If impulses from the brain stem stop, so does breathing. Learn about how the vital processes of breathing in and out are controlled by the brain stem.

The primary respiratory area is found in the;
a. cerebrum
b. midbrain
c. pons
d. medulla oblongata

Forced breathing out during exercise stimulates which group of muscles?
a. vastus lateralis
b. sternocleidomastoids
c. external intercostal muscles
d. internal intercostal muscles

Which neurological structure inhibits further inhalation, thereby preventing overinflating of the lungs
a. medullary ventral area
b. medullary dorsal area
c. pneumotaxic area in the pons
d. apneustic centre in the pons

Which neurological structure prolongs inhalation thereby promoting deeper breathing?
a. medullary ventral area
b. medullary dorsal area
c. pneumotaxic area in the pons
d. apneustic centre in the pons

Increased impulses from the proprioceptors during running initially stimulate which neurological structure?
a. medullary ventral area
b. medullary dorsal area
c. pneumotaxic area in the pons
d. apneustic centre in the pons

Carbon dioxide dissolved in water yields;
a. Sulphuric acid
b. Lactic acid
c. Hydrochloric acid
d. Carbonic acid.