The bacteriologist is staining the slides of a client diagnosed with scarlet fever and rheumatic fever. The slide identifies S. pyogenes and stains purple by crystal violet dye. The result would indicate:

Explanation:

Gram stain color the bacteria either red or violet depending on whether they are Gram positive or Gram negative. Gram positive  bacteria have thick cell wall containing peptidoglycan compared to Gram negative bacteria which have thin cell wall. Due to this Gram positive bacteria stains purple by crystal violet. So, slide containing S. pyogenes with purple violet indicates that it is a Gram positive bacteria.

phaneritic textures in which phaner means visible so phaneritic textures are standard of impertinent volcanic rocks. these rocks crystallized gradually under the surface of earth. when the magma cools deliberately then the ores have chance to develop and produce long crystals.

the ems is the abbreviation for the emergency medical services. it is a service provided by a group of medical professionals specialised doctors and other healthcare staff.

any one can call 911 in case of any medical emergency and a group of health care professional will come and give the treatment required. every day the ems staff receive many phone call, which are related to different types of medical emergencies, out of which 25-28% are exclusively related to the respiratory issues.

so, the correct answer is 25-28%.