The Immune System

Foreign materials, bacteria, viruses, fungi, and parasites are antigens.

• True
• False

Which of the following is considered an organ of the immune system? 

• thyroid
• bone marrow
• liver
• gallbladder

When malignant cells break away from a tumor and begin to circulate in the lymph fluid, they become trapped in the nearest nodes. When the nodes cannot contain all of the malignant cells, the cells are able to recirculate to another body site. This is known as:

• Transportation
• Metastasis
• Metamorphosis
• Transfusion

Which of the following is found in immunosuppresesed patients and helped lead to the discovery of HIV/AIDS in the US?

• Urinary Tract Infections
• Rheumatoid Arthritis
• Lyme Disease
• Pneumocystis carinii

HIV can be found in numerous body fluids, but survives best in those with numerous WBC's, such as:

• Blood
• Semen
• Vaginal Secretions
• All of the Above

Casual contact with an HIV infected person, such as sharing food utensils, towels, toilets, bedding or swimming pools, puts you at risk for contracting the disease.

• True
• False

True or False:
Inflammation is an immune response.

• True
• False

This is a form of cancer, appearing as purplish blotches on the skin.

• Melanoma
• Carcinoma
• Tumors
• Kaposi's sarcoma

When the exaggerated reaction of the immune system to an allergen causes extensive bronchial constriction, mucus production, and excessive capillary permeability, resulting in circulatory collapse and death, this is known as:

• Seizure
• Anaphylactic Shock
• Medical Coma
• Hyperventilation

Refers to how similar or different a cancer cell looks in comparison to a normal healthy cell.

• Staging
• Grading
• Analysis
• Staining