Which of the following reduce/s the speed of nerve impulse?
a) sedatives
b) narcotics
c) alcohol
d) all of these
What is/are the effects of narcotics and sedatives on the reflexes?
a) speed up
b) slow down
c) normalize
d) all of these
Which of the following is/are involuntary function?
a) digestion
b) heart beating
c) breathing
d) all of these
Digestion starts from…….
a) mouth
b) oesphagus
c) stomach
d) small intestine
Receptors in the Human Body
Photoreceptors are responsible for the perception of…….
a) sound waves
b) light
c) chemicals
d) pressure