Option D is the correct answer.
To what extent has the presence of a true coelom in animals changed over the course of evolution?
A coelom is a body cavity that is formed from the mesoderm tissue.
Option D - The presence or absence of a true coelom appears to have changed multiple times during the course of evolution.
Every organism needs to eat to gain energy
Answer:
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Explanation:
In healthcare amenities like in nursing homes and hospitals, MRSA (methicillin-resistant Staphylococcus aureus) infection is one of the most common concern. These infections generally involve the skin, and the individuals who are healthy can also get infected with the condition.
In order to prevent MRSA infection, doctors, nurses, and other healthcare workers need to follow certain steps. These are as follows:
1. Carefully clean the hospital rooms and medical apparatuses.
2. Clean their hands with soap and water, or with an alcohol-based hand sanitizer prior and post caring for a patient.
3. Test some patients to observe if they exhibit MRSA on their skin. This is done by swabbing a cotton tip in the nostril or on the skin of the patient.
4. Use contact precautions, while caring for the patients with MRSA.
