Cold-Handwashing
AIDS- Avoidance of IV drugs
Measles- Vaccination
18 protons, 22 neutrons, 18 electrons
There are 18 protons from the argon element. There 18 electrons because it is neutral, and 22 neutrons because 40 - 18 = 22.
Answer:
C. 0,5 to 1 micrometer thick.
Explanation:
For an efficient gas exchange, the respiratory membrane must be 0,5 to 1 micrometer thick. That way gases are able to penetrate the membrane and get to the blood capilar as fast as possible. If the respiratory membrane was thicker, gases do not penetrate and go through the membrane as fast and efficient as in the previous case.
C. ophthalmic medication
The most common form of medications for ear and eye problems are in drops. When the pharmacists dispense medications for the eyes or ears, they must double check the labels to prevent errors, specially because (the type of) antibiotics used for infections of the eyes and ears are similar.