In systole, you should expect that your mitral valve and tricuspid valve to be closed (snap shut) and you should expect your pulmonary valve and aortic valve to open. Hope this helps
<span>D.using a strong ladder to reach the available outlet and
plugging in an extension cord rated to power the light; then plugging
the light into the extension cord, clearing all cords from walkways and
work areas.</span>
The office should have
1. hazard on communication signs example risk of electric shock.
2.Emergency exit routes which is well labeled example exit door.
3.office with ionization ration
4.office with well effective and medical device designed to eliminate or minimize bloodborne pathogens.