Answer :
The answer is (B) 172 grams. Generally, the recommended protein intake for men is 56 grams per day and for women it's 46 grams per day. However, this can vary based on factors like age, gender, weight, and activity level. Murray weighs 215 pounds.
To convert that to kilograms, you can divide by 2.205. So, 215 ÷ 2.205 = 97.5 kilograms. To calculate how much protein he needs, we can multiply his weight in kilograms by a factor based on his activity level. The American Dietetic Association suggests the following daily protein intake for different activity levels:
Sedentary: 0.8 grams of protein per kilogram of body weight
Moderately active: 1.2 to 1.5 grams of protein per kilogram of body weight
Very active: 1.7 to 1.8 grams of protein per kilogram of body weight
Since Murray's weight is 97.5 kilograms, we can calculate his protein needs based on different activity levels: Sedentary: 0.8 x 97.5 = 78 grams of protein per day
Moderately active: 1.2 to 1.5 x 97.5 = 117 to 146 grams of protein per day
Very active: 1.7 to 1.8 x 97.5 = 166 to 176 grams of protein per day
Since we don't know Murray's activity level, we can use the moderate range of 1.2 to 1.5 grams of protein per kilogram of body weight. That gives us a range of 117 to 146 grams of protein per day.
However, this question asks for the minimum amount Murray needs to perform all necessary functions, so we can take the lower end of that range. Therefore, Murray needs at least 117 grams of protein per day. So, option (B) 172 grams is the closest to the calculated value of 117 grams.
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