During your initial assessment of a semiconscious 56-year-old man, you should:

During your initial assessment of a semiconscious 56-year-old man, you should Ensure a patent airway and support ventilation as needed. 
Assessing a patient's level of consciousness is an essential component of a neurological examination, which is usually performed alongside an assessment of pupil size and reaction, vital signs and focal neurological signs in the limbs. It is important to determine the level of unconsciousness first the evaluation of the patient, searching carefully for hints as to the cause of the confusion or coma.

The proton has a positive charge while the neutron has no charge they both make up the nucleus of the atom while the elections have a negative charge and surround the nucleus of the atom. the protons and electrons are used to calculate the atom's mass whereas the neutrons don't affect the mass

C) they are specialized meaning they are designed to do different things