During childhood, the liver increases in size as hepatocytes undergo cell division, resulting in a greater number of liver cells. this is an example of which of the following?

a. hyperplasia
b. hypertrophy
c. neoplasia
d. none of these

The correct answer is - option a.  hyperplasia.

Explanation:

Hyperplasia is  a condition in which there would be increasing in the cells and tissues of the organ due to the cell proliferation. It may lead to the total organ enlargement.

Liver enlargement as hepatocytes divided by the cell division cause the higher number of the liver cells, which is the example of the hyperplasia condition during childhood.

Thus, the correct answer is - option A. hyperplasia.

the level of progesterone is low at the pre-ovulatory phase of the cycle but it gradually increases and the levels are high at the luteal phase. if pregnancy occurs, the level of progesterone will be high throughout the pregnancy.

if egg is fertilized and the mother gets pregnant, progesterone starts preparing the uterus for the implantation. it starts building up the lining of uterus and make it hostile of the period of pregnancy.