For a person consuming 2200 kcal/day to meet the AMDR for fat intake, he/she must limit daily fat intake to 440-770 kcal/day (AMDR for fat intake is 20-35% of total kcal).
<h3>What is AMDR?</h3>
- The Acceptable Macronutrient Distribution Range (AMDR) expresses dietary recommendations in the context of a complete diet.
- It recommends the range of intake of a macronutrient.
- This provides simple targets to people for consuming carbs, fat and protein in amounts that generally support good health while making meal planning easier for certain people.
- A diet with this distribution of protein, fat, and carbohydrates may be helpful for prevention of diseases like heart disease, type 2 diabetes, etc.
- AMDR for fat intake is 20-35% of total energy intake (kcal)
For a person consuming 2200 kcal/day,
20% of 2200= 440 and 35% of 2200= 770;
i.e. 440- 770 kcal/day.
- AMDR for carbohydrate intake is 45-65% of total energy intake (kcal)
- AMDR for proteins intake is 10-35% of total energy intake (kcal)
Learn more about AMDR here:
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The correct answer is B) not asking subjects to agree to participate without first informing them of the nature of the study and possible risks and benefits.
Explanation:
Clinical trials often involve testing treatments such as new vaccines, medicines or therapies. Moreover, these can have different positive or negative effects on participants of the trial. Due to this, one of the basic principles to follow ethical standards for this type of medical research is being completely honest with participants, which includes explaining to them the purpose of the trial, possible risk and also positive benefits.
This is important because in this way participants can make an informed decision on whether to participate or not in the trial which is part of consent. Thus, ethical standards for clinical trials include "not asking subjects to agree to participate without first informing them of the nature of the study and possible risks and benefits".
Answer:
The answer is Pulmonary alveoli
Explanation:
Pulmonary alveoli are the primary gas exchange site. The alveoli are in intimate contact with the surrounding capillaries, removing the CO2 from the blood and passing the oxygen through a pressure gradient. This barrier between air and blood has a thickness of approximately one micron. To maintain this exchange gradient to the lungs, between 5 and 8 L of air per minute must enter.
