The process of growing rapidly, like a fungus, is:

[Answer to ques. #1]  A
Explanation: A) Correct.
B) Metastasis is spread of cancer cells throughout the body.
C) Exacerbation is a serious increase in symptoms.
D) Infiltrative is a type of tumor.

[Answer to ques. #2]  D
Explanation: D) Correct. The root duct means to lead.

[Answer to ques. #3]  D
Explanation: A) A neoplasm is a new growth.
B) Anaplasia is loss of cell differentiation.
C) A neuroblastoma is a brain tumor.
D) Correct.

[Answer to ques. #4]  B
Explanation: A) A sarcoma is a tumor of connective tissue.
B) Correct.
C) An adenoma is a glandular tumor.
D) A lipoma is a fatty, but not necessarily cancerous, tumor.

[Answer to ques. #5]  C
Explanation: A) Chemotherapy uses drugs that inhibit or kill cancer cells.
B) Radiotherapy uses x-rays or radioactive material to kill cancer cells.
C) Correct.
D) This term is misspelled.

[Answer to ques. #6]  D
Explanation: A) A sarcoma derives from any type of connective tissue.
B) A choriocarcinoma arises in the uterus.
C) Carcinoma is a malignant tumor from epithelial tissue.
D) Correct.

[Answer to ques. #7]  A
Explanation: A) Correct.
B) A mutagen is an agent that causes mutation.
C) Malignant is a type of tumor.
D) Metastasis is spread of tumor cells throughout the body.

I wish all teachers could be as helpful as you instead of making us do things the complicated way...

It really depends on the course, never give up