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Rickets is caused by a deficiency of vitamin D. It is a disease condition of a defect in mineralization of the epiphyseal plates. The deficiency of vitamin D, calcium, and phosphorous are the common cause of rickets. The earliest sign of rickets is carniotabes. Carniotabes refers to the softening of skull bone, it also includes frontal bossing and wide fontanels, which is considered as the earliest sign of rickets. So option 2 is the correct answer.

Craniotabes is right answer

This relationship between the two variables is called a correlation. The amount of correlation, or relationship, can be explained in a numerical form called a correlation coefficient. A correlation coefficient is defined as a numerical representation of the strength and direction of the relationship. These are Questions previous year question in rrb staff nurse Correlation is right answer.

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