Question

1) The second leading cause of death for Americans of all age groups is

A) accidents.

B) diabetes.

C) heart disease.

D) cancer.

2) Abby has been completely cured of her breast cancer. Cured means

A) a 25 percent chance of recurrence within five years but expected to survive.

B) only a slight chance of recurrence.

C) a ten-year survival rate.

D) no cancer symptoms five years after diagnosis.

3) Debbie was diagnosed with cancer. Cancer is a group of diseases characterized by

A) predictable spreading of abnormal cells.

B) solid tumor development.

C) uncontrolled growth and spread of abnormal cells.

D) replication of genetic material.

4) Paul was told that the tumor in his brain is malignant. This means that the tumor is

A) cancerous.

B) dormant.

C) noncancerous.

D) likely to be contained in the brain.

5) Nathan was told that the tumor in his brain is benign. It means that the tumor is

A) noncancerous.

B) dormant.

C) cancerous.

D) spreading quickly.

6) The primary difference between benign and malignant tumors is that benign tumors

A) do not metastasize.

B) do not grow.

C) are always harmless.

D) are only dangerous if they are located in the brain.

7) Most cancer epidemiologists believe that cancers are

A) unaffected by lifestyle.

B) preventable.

C) a single disease.

D) primarily caused by internal factors.

8) Oncogenes are genes that

A) suppress the normal activity of the immune system.

B) fight cancer.

C) can signal cells to grow out of control.

D) all of the above.

9) In the "ABCD" rule for the symptoms of melanoma, the "B" stands for

A) bleeding.

B) beyond localized.

C) border irregularity.

D) basal carcinoma.

10) Trisha has cervical cancer. It is probably related to the ________ infection she got back in college.

A) chlamydia

B) hepatitis A

C) human papillomavirus

D) syphilis

11) All of the following must happen for a disease to occur in a person EXCEPT

A) the host must be resistant to the agent.

B) the host must be susceptible.

C) the environment must promote it.

D) an agent must transmit a disease.

12) All of the following behaviors will compromise the strength of your immune system EXCEPT

A) smoking.

B) exercising regularly.

C) not getting enough sleep.

D) excessive alcohol consumption.

13) Microscopic organisms that are disease-causing agents are called

A) virulent.

B) multifactorial disease.

C) endoplasmic microorganisms.

D) pathogens.

14) Every time you eat something with yellow dye in it you wheeze and get a rash. The dye must be an

A) enzyme.

B) antibody.

C) antigen.

D) immunoglobulin.

15) An epidemic refers to

A) a disease outbreak that affects many people in a community or region at the same time.

B) a disease outbreak that affects the global population.

C) a single disease case.

D) death rates associated with a disease.

16) An pandemic refers to

A) a disease outbreak that affects many people in a community or region at the same time.

B) a disease outbreak that affects the global population.

C) death rates associated with a disease.

D) a single disease case.

17) Being born with antibodies that are transferred through the placenta from the mother is referred to as

A) natural immunity

B) artificial immunity

C) perinatal immunity

D) passive immunity

18) Which of the following is a true statement?

A) Virus are among the smallest of all microbes.

B) Aantibiotics have no effect on virus.

C) Virus cannot reproduce on their own.

D) All of the above.

19) Key factors in mounting an immune response include all of the following EXCEPT

A) macrophages.

B) red blood cells.

C) antibodies.

D) lymphocytes.

20) Susan's child must be vaccinated before he can be enrolled in pre-school. What type of immunity will the vaccine provide?

A) acquired

B) passive

C) artificial

D) active

Answer 1

1Q).

D) cancer.

Malignant cancer is the second leading cause of death in the United States. Life style factors, exposure to the environmental toxicants are the primary causes of cancer. Some of the mutations responsible for the occurrence of cancer are heritable.

Cardiovascular diseases are the primary leading cause of death for Americans of all age groups.

2Q).

D) no cancer symptoms five years after diagnosis.

Breast cancer is considered to be cured if there are no symptoms present after five years of initial diagnosis, and long life expectancy.

3Q).

C) uncontrolled growth and spread of abnormal cells.

Uncontrolled growth and proliferation are the characteristics of cancer cells. This occurs because cancer cells carry mutations that allow their growth and proliferation to occur beyond the normal regulatory processes of the cell. They spread to the other body tissues, and is called, "metastasis."

4).

A) cancerous.

Malignant tumours are the cancerous neoplasms, they can invade the other tissues from their site of origin and become cancerous. Examples include, sarcoma, lymphoma, carcinoma, leukemia, and glioma.