397 mg = __ g. Convert the measurement.

(Do not round. Enter only the number, no label) .

Choice A rationale:

Gastro- refers to the stomach. This prefix is commonly used in medical terminology to indicate conditions related to the stomach or the gastrointestinal system.

Choice B rationale:

Nephro- is the correct medical term for kidney. The prefix nephro- is used to indicate conditions related to the kidney, such as nephritis (inflammation of the kidney)

Choice C rationale:

Oto- refers to the ear. This prefix is commonly used in medical terms related to the ear and hearing, such as otitis (inflammation of the ear)

Choice D rationale:

Uro- refers to the urinary tract. While it is related to the kidneys in the context of the urinary system, it is not the specific term for kidney. Uro- is used in words like urology (the branch of medicine that deals with the urinary system and male reproductive system)

The correct answer is C. Tuberculosis.

Choice A rationale:

Scabies is a skin infestation caused by mites, and it does not require airborne precautions. Standard precautions, such as gloves and hand hygiene, are sufficient.

Choice B rationale:

Mycoplasmal pneumonia is typically spread through droplets, and a regular surgical mask is usually adequate for protection.

Choice C rationale:

Tuberculosis (TB) is an airborne disease, and healthcare workers need to wear an N95 respirator to protect themselves from inhaling the bacteria.

Choice D rationale:

Scarlet fever is spread through respiratory droplets, but it does not require airborne precautions. Standard precautions are usually enough.