25 !
which blood vessels have thin, muscular walls and valves to prevent the backflow of blood?

a. veins
b. arterioles
c. capillaries
d. arteries

How many calories are in one pound of fat

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.

By signing the patient’s ehr with the digital signature, the provider certifies that all data and information in the patient ehr is: