Answer:
Taking vitamin D by mouth is effective for preventing and treating rickets. A specific form of vitamin D, called calcitriol, should be used in people with kidney failure.
Explanation:
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Assuming the friends mother has type 2 diabetes, there are many aspects in your day to day life that he can take to lower his risk of getting type 2 diabetes. Exercising regularly and eating a healthy balanced diet is key to preventing this disease. He can reduce the amount of fat in his diet, especially saturated and trans fats, and eat more nutritious fruits, vegetables and high fiber foods. Moderate physical activity (I.e. going for a run) 2-4 days of the week accompanied with a healthy diet can help manage weight, reduce blood glucose levels and can also improve blood pressure and cholesterol. The big idea behind these daily changes is to manage his weight. Excess body fat, particularly if stored around the abdomen, can increase the body’s resistance to the hormone insulin which is responsible for the absorption of glucose from the blood into the bodily tissues. Keeping up these habits will drastically reduce the risk of him getting type 2 diabetes.
Answer: B. Pathogens.
Explanation: The word pathogens refers to external agents that are hosted in live organisms (humans, animals or vegetals), and has the property of affecting the host causing diseases or damages visible or not. Saying this, the microorganisms described in the question are pathogens.
Option A. Incorrect. Tumors are described as an abnormal growth of any group of cells of an organism.
Option C. Incorrect. Interferon is a protein released by cells of the immune system when it is time to defend the body against microorganisms.
Option D. Incorrect. Immunoglobulins are proteins created specifically for attacking an antigen (something harmful for the body). They are also part of the immune system.
