Answer:
b) histamine stimulate pain receptors
Explanation:
When working in a medical facility employees often wear scrubs, or a lab coat as well as wearing their ID badge at all times. Clothes are usually neat and clean. For jewelry necklaces and regular earrings should be okay if worn moderately, but tattoos and piercings must be covered. And the type of shoes depends on where you work, but they must always be closed-toe shoes.
Hope this helps!
CO= HRXSV
CO=80X50
CO=4,000 ml
1L=1,000ml
4,000ml=4L
Therefore the answer is 4L/min