For maximum assurance preventing influenza or flu, the patient should be vaccinated with inactivated influenza vaccine (IIV) once a year. The vaccine is needed especially for those who are of greater risk to have a flu, including pregnant women, children, and persons with serious medical conditions.
How decisions on health products and health procedures are affected by several external factors.
True
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Answer:
B. Positive feedback
Explanation:
The positive feedback or positive feedback mechanism occurs in smaller quantities compared to the negative feedback mechanism. Positive feedback, unlike negative feedback, ensures increased stimulus that causes imbalance, reinforcing it. Thus, positive feedback is not always beneficial, triggering, in some cases, detrimental effects on the body.
Although less than negative, positive feedback also plays an important role in our bodies. An example of this occurs when platelet release chemicals are activated in an injured tissue to attract more platelets, eventually forming a blood clot.
