What is the primary characteristic of neoplasia?

Uncoordinated tissue development that persists after the initial trigger has ceased.

Which component of a tumor consists of rapidly proliferating neoplastic cells?

Parenchyma

Riddle: I am a tumor type that often ends with '-oma' and usually benign. What am I?

Adenoma

True or False: Malignant tumors can spread to distant sites through blood vessels.

True

Fill in the blank: The process of cancer development is known as ______.

Carcinogenesis

Which term describes the stimulation of abundant collagenous stroma by parenchymal cells?

Desmoplasia

What is the term for the loss of differentiation seen in cancer cells?

Anaplasia

Which checkpoint in the cell cycle is crucial for ensuring no DNA damage before replication?

G1/S checkpoint

Riddle: I am the gene often called the 'guardian of the genome' for my role in DNA repair. Who am I?

P53

True or False: Dysplasia is an irreversible condition characterized by abnormal cell growth.

False. Dysplasia can be partly reversible.

Fill in the blank: Tumors that arise from mesenchymal tissue are classified as ______.

Sarcomas

Which genetic change is associated with chronic myeloid leukemia?

Philadelphia chromosome (BCR-ABL translocation)

What are the two primary families of CDK inhibitors?

Cip/Kip and INK4/ARF

Riddle: I am often involved in tumor proliferation but can be inhibited by apoptosis. What am I?

Bcl-2

True or False: Gliomas typically spread outside the central nervous system.

False. Gliomas usually do not spread outside the CNS.

Fill in the blank: The term for a tumor that projects above a mucosal surface is ______.

Polyp

What is the main feature of a teratoma?

It consists of parenchymal cells from multiple germ layers.

Which tumor suppressor gene is frequently mutated in human cancers?

P53

Riddle: I am the process where a cell's life is cut short due to damage, but some resist me. What am I?

Apoptosis

True or False: Metaplasia is a reversible change where one type of differentiated cell is replaced by another.

True

Fill in the blank: The first step in the cell cycle is the ______ phase.

G0 phase

Which type of cancer is associated with the RET oncogene?

Multiple endocrine neoplasia (MEN) syndromes

What is the most common cancer associated with the BRCA1 gene mutation?

Breast carcinoma

Riddle: I am a syndrome that can cause inappropriate hormone secretion in malignancies. What am I?

Paraneoplastic syndrome

True or False: Carcinomas typically spread via hematogenous routes.

False. Carcinomas typically spread via lymphatic routes.

Fill in the blank: The transformation of normal cells into cancer cells is termed ______.

Carcinogenesis

What is the role of the CDK4-cyclin D complex in the cell cycle?

It phosphorylates the retinoblastoma (RB) protein to promote progression into the S phase.

Which virus is a major contributing factor to cervical cancer?

Human papillomavirus (HPV)

Riddle: I am a condition caused by rapid cancer cell destruction, leading to metabolic disturbances. What am I?

Tumor lysis syndrome

True or False: The presence of tumor markers is always indicative of cancer.

False. Tumor markers can be elevated in non-cancerous conditions as well.