All the options are incorrect. The correct answer will be THE NUMBER OF HYDROGEN IONS MOVING DOWN THE PROTEIN CHANNEL.
A proton pump is found in the inner membrane of mitochondria which is also known as hydrogen ion pump. The hydrogen ion is pumped across the inner mitochondrial membrane depending on the proton gradient.
The best way for the nurse to help alleviate the back pain to a woman whose fetus in the occiput posterior position which is experiencing increase pain is to apply counter pressure to the back. These counter pressure help the woman to cope back labor associated with occiput posterior position
the first answer as blood needs to be oxygenated to be passes round the body then when its deoxgenated it will return to the heart to be pumped around the body again
