Answer:
Precertification
Explanation:
For managed care organizations to pay for medical services, precertification needs to be done. Precertification involves proving to the medical insurance company that a service is medically necessary. After precertification, the insurance company would determine if the service is a covered service before payment is made.
Precertification is taken by the insurer to provide the insurance company with procedures and/or services and diagnosis.
Explanation:
How Age and Exercise Affect Your Max Heart Rate. The relationship between the heart and exercise has been studied for more than six decades and the research is clear: Max heart rate—the highest heart rate you can safely hit during exercise—decreases with age regardless of lifestyle or level of fitness.
What is the question you are asking
Answer:
A patient who can produce antibodies against some bacterial pathogens, but not against viral infections, probably has a disorder in his, B cells.
a) B cells
