Why does the body need vitamin B9?
a. For the synthesis of the neurotransmitters required for normal nerve cell communication, such as serotonin and dopamine
b. For oxidation-reduction reactions and protein metabolism
c. For energy production and the formation of red blood cells
d. For the health of mucous membranes in the digestive tract and to aid absorption of iron and vitamin B6
c.For energy production and the formation of red blood cells
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________ The passive voice generally makes writing less interesting to read
Indicate whether the statement is true or false
Patient Stan Lee has PPO healthcare insurance. He goes to a preferred provider dermatologist for removal of a small skin lesion. The insurer has agreed to pay its preferred providers $90 for this service. (The dermatologist's full charge for the service is $120.) The insurer pays only $20 because the policy requires a $20 patient co-payment and a $100 annual deductible. Prior to this service, Stan Lee had paid $50 of the deductible. Why can the dermatologist not bill Mr. Lee $100?
What will be an ideal response?