The best use of the food pyramid would be
a. to determine a healthy eating pattern that represents a balanced diet
b. to determine the food that should never be eaten
c. to create a diet that excludes fat
d. to count calories and carbohydrates select the best answer from the choices provided.

Explain why methicillin resistant staphlococcus aureus (mrsa) is more prevalent now than it was only 30 years ago. a. antibiotics cause mutations in staphlococcus aureus that lead to an increase in the number of methicillin-resistant strains. b. methicillin resistance causes an infection to spread more rapidly.c. frequent and inappropriate use of methicillin-type antibiotics has provided selective pressure that has resulted in an increase in the proportion of methicillin-resistant strains of staphlococcus aureus.d. diseases like aids have made people more vulnerable to infections from staphlococcus aureus.