Answer:
True
Explanation:
In a given population system whereby the age-specific mortality rates can be estimated or determined, the best standardization method is the direct method. However, if the age-specific mortality rates of the given population system cannot be determined or estimated, the indirect standardization method should be applied.
Clubbing is a painless enlargement and flattening of the tips of fingers or toes caused by chronic hypoxia. Hypoxia is deficiency in the amount of oxygen reaching the tissues.
