NCLEX Question for malignant tumor

NCLEX Review Question

A malignant tumor

a.gains access to the blood and lymphatic channels.
b.demonstrates cells that are well-differentiated.
c.is usually slow growing.
d.grows by expansion.

Correct Answer: A
gains access to the blood and lymphatic channels.
Rationale: By this mechanism, the tumor metastasizes to other areas of the body.

demonstrates cells that are well-differentiated.
Rationale: Cells of malignant tumors are undifferentiated.

is usually slow growing.
Rationale: Malignant tumors demonstrate variable rate of growth; however, the more anaplastic the tumor, the faster its growth.

grows by expansion.
Rationale: A malignant tumor grows at the periphery and sends out processes that infiltrate and destroy surrounding tissues.

Posted in: MSN NCLEX