No. Metaplasia is the transformation from one cell type to another.

Correct. Hyperplasia is an increase in cell number. "Reactive" lymph nodes recruit lymphocytes from the circulation to combat infections.

No. Atrophy is a reduction in the shape or size of a tissue.

Infections frequently cause the enlargement of draining lymph nodes. What is the process called?

Metaplasia

Atrophy

Hyperplasia

Hypertrophy

Dysplasia

No. Dysplasia is a step in the malignant transformation of a cell.

No. Hypertrophy is an increase in the size of cells. Although activated (stimulated) lymphocytes tend to be larger than resting (unactivated) lymphocytes, increases in the overall size of the reactive lymph nodes is do to another adaptation.