How does nitroglycerin decrease the level of chest pain that a patient experiences?
A) It constricts the blood vessels, forcing the toxic lactic acid out of the heart.
B) It constricts the blood vessels, forcing more blood into the heart muscle.
C) It dilates the blood vessels, allowing more blood flow to wash away the toxic lactic acid.
D) It dilates the blood vessels, allowing more blood to enter the heart muscle.
D
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Each of the following appears radiopaque except one. Which one is the exception?
A) Bone B) Dentin C) Pulp D) Enamel
When documentation in the record is unclear whether or not the patient developed a new pressure ulcer while being treated for a healing/existing pressure ulcer, the coder should:
A) review the nursing documentation to find the information. B) discuss the case with the wound care nurse. C) query the provider. D) none of the above.