How much physical activity should children and adolescents should do every day?

A. At least 20 minutes
B. At least 30 minutes
C. At least 45 minutes
D. At least 1 hour
E. At least 90 minutes


Answer: D

Health & Biomechanics

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Twenty patients had their cholesterol level (given in mg/100 mL) tested. The results are as follows. Calculate the standard deviation (using a calculator).155 190 183 220 168 241 145 198 177 219178 267 203 233 169 184 193 215 229 154

What will be an ideal response?

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One reason that anorexia nervosa and bulimia nervosa are common in industrialized nations is that society ____

A) ?encourages emotional eating B) ?elevates the role of women C) ?advocates quick meals D) ?encourages thinness E) ?discourages low-calorie diets

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Blood cells constitute about 45% of the total volume of blood

Indicate whether the statement is true or false

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Write the correct abbreviation for fine needle aspiration:

What will be an ideal response?

Health & Biomechanics