Microorganisms Worksheet

Front

How can microorganisms be viewed?

Back

Under a microscope

Front

Why are viruses difficult to kill?

Back

They are resistant to disinfectants and not affected by antibiotics.

Front

Which of the following diseases is NOT typically caused by viruses? Common cold, Herpes, Chicken pox

Back

Tuberculosis

Front

A patient is diagnosed with a disease that is not responding to antibiotics and is also resistant to disinfectants. What is the most likely type of microorganism causing the disease?

Back

Virus

Front

Which virus can lead to the destruction of the liver and has a vaccine available?

Back

Hepatitis B

Front

Which of the following is NOT an example of a fungus? Yeast, Mold, Bacteria, Mushrooms

Back

Bacteria

Front

Which of the following is NOT a possible cause of exogenous infection? Pathogenic organisms, Radiation, Chemical agents

Back

Congenital abnormalities

Front

Which of the following best describes the role of the immune system in preventing opportunistic infections? Options: It always prevents all infections, regardless of health. It can fight off many germs, but when weakened, even normally harmless organisms can cause illness. It only works when a person is sick. It only protects against viruses, not fungi or bacteria.

Back

It can fight off many germs, but when weakened, even normally harmless organisms can cause illness.

Front

What is required for an infectious agent to cause infection?

Back

The pathogen must be present.

Front

Why can human carriers be dangerous in the spread of disease, according to the chain of infection?

Back

They can incubate a disease and be harmful to others, even if they are not sick themselves.