PATHOLOGY

PATHOLOGY MCQ

CELL DAMAGE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is the main consequence if body cells accumulate DNA mutations that damage the signals that regulate the cell cycle?
A
AIDS
B
cancer
C
miscarriage
D
Down’s syndrome
Explanation: 

Detailed explanation-1: -Cancer is unchecked cell growth. Mutations in genes can cause cancer by accelerating cell division rates or inhibiting normal controls on the system, such as cell cycle arrest or programmed cell death. As a mass of cancerous cells grows, it can develop into a tumor.

Detailed explanation-2: -Disruption of normal regulation of the cell cycle can lead to diseases such as cancer. When the cell cycle proceeds without control, cells can divide without order and accumulate genetic errors that can lead to a cancerous tumor .

Detailed explanation-3: -The Definition of Cancer When cells grow old or become damaged, they die, and new cells take their place. Sometimes this orderly process breaks down, and abnormal or damaged cells grow and multiply when they shouldn’t. These cells may form tumors, which are lumps of tissue.

Detailed explanation-4: -Sometimes mutations in important genes cause a cell to no longer understand instructions. The cell can start to multiply out of control. It doesn’t repair itself properly, and it doesn’t die when it should. This can lead to cancer.

There is 1 question to complete.